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MID 128 PID 84 Vehicle Speed

1. 108 Group 28 Troubleshooting Vehicle Control Unit Fault Tracing The Premium Tech Tool PTT is the preferred tool for performing diagnostic work Contact your local dealer for more information The control units on the information link communicate according to the SAE J1587 standard The standard has been extended with Volvo s own supplement PPID PSID The fault codes set by the control units contain information that is described by the following abbreviations MID Message Identification Description SID Subsystem Identification Description Identification of a control unit Identification of a component PID Parameter Identification Description PSID Proprietary Subsystem Identification Identification of a parameter value Description Volvo Phat Unique identification of a component PPID Proprietary Parameter Identification Description Volvo FMI Failure Mode Identifier Unique identification of a parameter Identification of fault types value FMI Table FMI Display Text SAE Text 0 Value to high Data valid but above the normal working range 1 Value too low Data valid but below the normal working range 2 Incorrect data Intermittent or incorrect data 3 Electrical fault Abnormally high voltage or short circuit to higher voltage 4 Electrical fault Abnormally low voltage or short circuit to lower voltage 5 Electrical fault Abnormally low curren
2. Group 28 MID 128 PID 97 Water in Fuel Indicator Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 3 e Voltage high open e N A e Undetected water in fuel supply e Uneven running e Malfunction indicator lamp illuminated 9 Open circuit FMI 4 e Voltage low e NA e Undetected water in fuel supply e Uneven running e Malfunction indicator lamp e Short to ground 9 Open circuit e Faulty sensor illuminated MID 128 PID 98 Engine Oil Level Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 1 e Data valid but 9 Moderately e N A e Low oil level Leakage below normal below range e Critically low oil level Leakage operational range e Critically below range FMI 4 ee 9 Voltage below e Short Circuit 9 Oil level can not e Engine Oil Level EOL sensor normal or shorted Positive side be measured failure low e Faulty harness FMI 5 e Current below normal or open circuit e Short Circuit Positive side e Open Circuit Positive side 9 Open Circuit Negative side e Oil level can not be measured e Engine Oil Level EOL sensor failure e Faulty harness Group 28 MID 128 PID 100 Engine Oil Pressure Troubleshooting e Current below normal or open circuit e Open Circuit 5V Supply line
3. e Current below e The high side e Yellow lamp is e NA normal or open drive is open sent circuit circuit e The valve cannot be activated e Incorrect gear selection FMI 6 9 Current above e The high side e Yellow lamp is e NA normal or drive is short sent grounded circuit circuit to ground e The valve cannot be activated e Incorrect gear selection 82 Group 28 Troubleshooting MID 130 PSID 13 Solenoid Valve Gear Selector Cylinder 1 Outer Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e NA normal or shorted drive is short sent high circuit to U BATT e The valve is activated e Incorrect gear selection FMI 5 e Current below e The high side e Yellow lamp is e N A normal or open drive is open sent circuit circuit e The valve cannot be activated e Incorrect gear selection FMI 6 e Current above e The high side e Yellow lamp is e N A normal or grounded circuit drive is short circuit to ground sent e The valve cannot be activated e Incorrect gear selection 83 Group 28 Troubleshooting MID 130 PSID 14 Solenoid Valve Gear Selector Cylinder 2 Inner Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e N A normal or shorted drive is short sent high circ
4. e A gear not neutral is engaged in the transmission e The value of the input shaft speed calculated from the main shaft speed sensor SESM is more than 300 rpm e The value of the input shaft speed calculated from the counter shaft speed sensor SESC is more than 300 rom e Yellow lamp is sent e Slow gear changes e Transmission brake up shifts cannot be used e Engagement point not functioning properly e Starting gear can only be engaged when the vehicle is stationary or when the vehicle speed is high enough to synchronize the transmission with the engine e N A 67 Group 28 Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 1 Continued e The values of the input shaft speed calculated from the counter shaft speed sensor SESC and the main shaft speed sensor SESM differ more than 50 rem The values of the input shaft speed calculated from the counter shaft speed sensor SESC and the vehicle speed received from the VECU differ more than 30 rpm The values of the input shaft speed calculated from the main shaft speed sensor SESM and the vehicle speed received from the VECU differ less than 30 rpm 68 Group 28 Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 4 e Voltage below normal
5. e The values of the input shaft speed calculated from the main shaft speed sensor SESM and the counter shaft speed sensor SESC differ more than 50 rpm e The values of the input shaft speed calculated from the main shaft speed sensor SESM and the vehicle speed received from the VECU differ more than 30 rpm e The values of the input shaft speed calculated from the counter shaft speed sensor SESC and the vehicle speed received from the VECU differ less than 30 rom Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 1 Continued 64 Group 28 Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic intermittent or incorrect e The sensor indicates wrong direction The following conditions must be fulfilled for a time of 2 0 s in order to activate e The input shaft speed calculated from the countershaft speed sensor SECS is above 300 rpm and the clutch is engaged or e The input shaft speed calculated from the countershaft speed sensor SECS is above 600 rpm and the clutch position is more engaged than the slip point and the engine speed is received from the engine ECU and above 600 rpm e A forward gear is engaged in the transmission and the mainshaft speed sensor SESM indicates reverse movement or e Areverse gear is engaged
6. fault Symptoms FMI 3 Voltage above e Abnormally high e N A e VSS harness shorted high normal or shorted voltage e Faulty VSS to high source FMI 4 Voltage below e Abnormally low e N A 9 VSS harness shorted low normal or shorted to low source voltage e Faulty VSS 115 Group 28 MID 144 PSID 2 Idle Validation Switch 2 Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 7 e Mechanical system not responding or out of adjustment e Faulty reading from IVS 2 e Engine will not supply requested fuel to engine e Idle Validation Switch IVS e IVS connector e IVS harness MID 144 SID 230 Idle Validation Switch 1 Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 7 e Mechanical system not responding or out of adjustment e Faulty reading from IVS 1 e Engine will not supply requested fuel to engine e Idle Validation Switch IVS e IVS connector e IVS harness 116 Group 28 Troubleshooting Gear Selector Control Unit Fault Tracing The Premium Tech Tool PTT is the preferred tool for performing diagnostic work Contact your local dealer for more information The control units on the information link communicate according to the SAE J1587 standard The standard has been extended with Volvo s own
7. Idle controls Broadcasting data on the serial data lines Trip data logging Diagnostic fault logging and password processing The VECU performs these functions by monitoring the signals from sensors and switches and data received over the serial data lines from the other ECU s The VECU directly monitors the Throttle Position TP Sensor and Vehicle Speed Sensor VSS The VECU also monitors the position or state of a number of switches to perform its control and diagnostic functions They are A C Pressure Switch Air Suspension Height Control Switch Differential Lock Switch Engine Brake Switches Ignition Key Switch PTO Switches if equipped Service and Park Brake Switches Speed Control Switches Set Decel Resume Accel 5th Wheel Slide Switch Group 28 The EMS is a microprocessor based controller programmed to perform fuel injection quantity and timing control diagnostic fault logging and to broadcast data to other modules The fuel quantity and injection timing to each cylinder is precisely controlled to obtain optimal fuel economy and reduced exhaust emissions in all driving situations The EMS controls the operation of the Electronic Unit Injectors EUIs engine brake solenoid EGR valve turbocharger nozzle position and cooling fan clutch based on input information it receives over the serial data lines and from the following sensors Ambient Air Temperature Sensor Ambient Pressure sensor Boost Air Pre
8. e Slow response on manual gear changes and slow response when buttons on the gearlever are pressed e N A 100 Group 28 MID 130 PSID 210 J1939 Data Link Interruption Lighting ECU Troubleshooting might be reduced a certain time after start e Automatic gear selection perfor mance might be reduced a cer tain time after a trailer has been connected dis connected Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e Abnormal update e This FMI shall e Yellow lamp is e NA rate be set if the sent message from the LCM MID 6 start gear 216 is not might be wrong received e Automatic gear selection performance MID 130 PSID 211 J1939 Data Link Interruption Adaptive Cruise Control ECU received and e ACC is installed does not work Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e Abnormal update e This FMI shall e Yellow lamp is e NA rate be set if the sent message from the ACC MID e The retarder 219 is not ACC function 101 Group 28 MID 130 PSID 232 Powertrain CAN rate on J1939 from the following control unit Engine Control Unit EECU sent Slow gear shifts Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms Note This fault code is valid for vehicles wher
9. e The clutch engages when not commanded and e Thereis no active fault code on the SEPoC and e Thereis no active fault code for low air pressure and e Thereis no active fault code on any of the clutch cylinder valves and 9 The PCB temperature is above a specific limit e Yellow lamp is sent e Slow gear changes e Erratic clutch performance e N A 96 Group 28 Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 7 e Mechanical system e The clutch e Yellow lamp is e N A not responding or does not dis sent out of adjustment engage engage properly when e Slow gear commanded changes and e Erratic clutch e Thereis no active performance fault code on the SEPoC and e Thereis no active fault code for low air pressure and e Thereis no active fault code on any of the clutch cylinder valves and e The PCB temperature is above 10 C 50 F FMI 11 e Clutch drag e The clutch e Yellow lamp is e NA transfers too sent much torque in position to creep on flat ground at idle e The clutch wear is high FMI 12 e Unintentional e The clutch e Yellow lamp is e NA clutch slip cannot transfer a specific torque without slipping sent The engine torque is reduced so that the clutch does not continue to slip 97 Group 28 MID 130 PSID 28 Transmission Brake e Mechanical system not
10. 26 Group 28 MID 128 PID 153 Crankcase Pressure Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 Data valid but Out of range e Forced idle 9 The non filtered pressure difference above normal max voltage e Engine shut between crankcase pressure and operational range illegal down ambient air pressure is was above Critically Above limit The fault code will remain Range during the entire driving cycle unless reset FMI 1 Data valid but Out of range min e N A e Crankcase Pressure Sensor out of below normal voltage illegal range operational range FMI 2 KON Data erratic Plausibility e N A e The crankcase pressure is showing intermittent or either too high or too low value incorrect abnormal value FMI 3 EE Voltage above Short Circuit e N A e Crankcase Pressure Sensor failure normal or shorted Measuring line e Faulty harness to high source Open Circuit Ground line FMI 5 E Current below Open Circuit e N A e Crankcase Pressure Sensor failure normal or open circuit 5V Supply Line Short Circuit Measuring line Open Circuit Measuring line e Faulty harness 27 Group 28 MID 128 PID 171 Ambient Temperature Troubleshooting e Abnormal Update Rate e This fault will become active when the Engine Management System EMS Module detects that the Ambient Air Temperature message from the Instrument Clu
11. Fault Condition Possible Symptoms Possible Cause FMI 7 e Thermostat blocked closed e This fault will become active when the Engine Management System EMS Module detects that the Engine Coolant Temperature ECT Sensor output is high but still with in the acceptable range for the sensor e The Coolant Temperature Sensor is indicating a high coolant temperature e Malfunction indicator lamp illuminated e Thermostat Blocked Closed e Faulty radiator fan e Clogged radiator FMI 12 e Thermostat blocked open e This fault will become active when the Engine Management System EMS Module detects that the Engine Coolant Temperature ECT Sensor output is low but still with in the acceptable range for the sensor e Poor heat in cab e Malfunction indicator lamp illuminated e Thermostat Blocked Open 44 Group 28 MID 128 SID 1 2 3 4 5 6 Unit Injector Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 2555 e Voltage high open e EMS module e Loss of power 9 Open circuit detects a short e Uneven running circuit to battery e Running on 3 to on the low side 5 cylinders of the Spill Valve e Malfunction SV Needle indicator lamp Control Valve illuminated NCV FMI 5 e Current below e EMS detects a e Loss of power e Harness shorted or open normal or open short circuit to e Unev
12. The 1st Reverse Cylinder Position Sensor is located in the transmission on the lower portion of the control housing 2nd 3rd Gear Cylinder Position Sensor The 2nd 3rd Gear Cylinder Position Sensor is located in the transmission on the lower portion of the control housing Design and Function Group 28 Transmission Electronic Control Unit The TECU communicates with the Gear Selector ECU and other ECUs in the vehicle through the J1939 and J1587 data buses The functionality of the TECU can be different depending on the type of software packages that are installed The TECU contains the following components e SAE J11708 1587 CAN e SAE J1939 CAN 9 Powertrain CAN e 11 Powerdrivers e Inclination Sensor e Temperature Sensor 9 9 Controlling Solenoid Valves The Transmission Electronic Control Unit located on the upper portion of the control housing Lubrication System The transmission is lubricated through a combination of pressure from an oil pump and splashing The oil is led into the main shaft to lubricate and cool the range gears the input shaft and main shaft bearings The countershaft brake and output shaft bearings are also lubricated The lubrication system has two overflow valves One valve ensures that the transmission is lubricated if the filter gets blocked while the other prevents excessive pressure in the system e g during cold start The valves are made up of a compression spring and a valve peg 10
13. Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 Data erratic Sensor is not e Poor driveability e Harness connected to incorrect intermittent or rational sensor incorrect e Sensor failure FMI 4 i Voltage below Short to ground e Poor driveability e Faulty harness normal or shorted on the metering e Sensor failure low side of the circuit FMI 5 m Current below Short to battery e Poor driveability e Faulty harness normal or open on the metering e Actuator failure circuit side of the circuit Open in the metering side of the circuit Open in the ground side of the circuit FMI 10 e Sensor failure 39 Group 28 MID 128 PPID 436 Exhaust Gas Temperature Sensor 3 Troubleshooting Abnormal rate of change Sensor is stuck e Poor driveability e Sensor failure Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 a Data erratic Sensor is not e Poor driveability e Harness connected to incorrect intermittent or rational sensor incorrect e Sensor failure FMI 4 Voltage below Short to ground e Poor driveability e Faulty harness normal or shorted on the metering e Sensor failure low side of the circuit FMI 5 N Current below Short to battery e Poor driveability e Faulty harness normal or open on the metering e Actuator failure circuit side of the circuit Open in the metering si
14. is more than or equal to SERVICE DUE POSITION e Yellow lamp is sent e f active for a long period of time the clutch may completely wear out and fail e N A MID 130 PID 37 Air Pressure Transmission Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but 9 Sensor signalis e Yellow lamp is e NA above normal in normal range sent operational range e Pressure is e Slow clutch above 145 PSI performance 10 0 bar FMI 1 e Data valid but 9 Sensor signalis e Yellow lamp is e NA below operational in normal range sent range e Pressure is e The symbol for below 72 5 PSI compressed air 5 0 bar transmission is sent e Gear changes may be absent e Slow clutch performance FMI 3 e Voltage above e The sensor e Yellow lamp is e N A normal or shorted signal is above sent high normal range FMI 5 9 Current below e The sensor e Yellow lamp is e N A normal or open circuit signal is below normal range sent 61 Group 28 MID 130 PID 65 Brake Switch Troubleshooting e Special Instructions e The gear lever is moved from neutral or FOLD position without prior application of the service brake e White lamp is sent together with pop up message e The transmission will not engage the selected gear stays in neutral Type of FMI Description Fault Condition Possible Possible Cau
15. 104 MID 130 SID 37 Solenoid Valve High Split page 105 MID 130 SID 38 Solenoid Valve Low Split page 106 MID 130 SID 231 J1939 Control Link page 107 MID 130 SID 240 Program Memory page 107 MID 130 SID 250 J1708 Information Link page 108 MID 130 SID 253 Calibration Memory EEPROM page 108 56 Group 28 MID 130 PID 31 Range Cylinder Position Troubleshooting Type of FMI Fault Condition Possible Symptoms Possible Cause fault Description FMI 3 e Voltage e Status from 9 Slow gear changes e N A above ASIC is short normal or circuit to U BATT Yellow lamp is sent shorted to high source FMI 5 e Current e Status from e Yellow lampis sent e N A below ASIC is open normal or circuit e Slow gear changes open circuit FMI 6 gt e Current e Status from e Yellow lampis sent e N A above ASIC is short normal or circuit to ground Slow gear changes grounded circuit FMI 13 x Sais e Calibration e The checksum e Yellow lampis sent e N A value out of range in NVRAM is not correct or the sensor has not been calibrated 9 Cranking is inhibited e Engine cannot start 57 Group 28 MID 130 PID 32 Split Cylinder Position Troubleshooting Type of FMI Fault Condition Possible Symptoms Possible Cause fault Description FMI 3 e Voltage e Status from 9 Slow gear changes e N A above ASIC is short normal or circuit t
16. 13 Incorrect calibration Out of calibration 14 Unknown fault Special instructions 15 Unknown fault Reserved for future assignment by SAE Data Formal Subcommittee Note When performing diagnostic test on intermittent faults gently wiggle the wires and connectors to help find the intermittent faults 117 Group 28 Troubleshooting MID 223 Control Unit Fault Tracing PSID MID 223 PSID 9 Gear Selector Position page 119 MID 223 PSID 36 Relay Power Supply page 120 MID 223 PSID 42 Signals Key page 121 MID 223 PSID 200 Communication Interference Data Link Engine Control Unit page 122 MID 223 PSID 201 Communication Interference Data Link Vehicle Control Unit page 122 MID 223 PSID 205 Communication Interference Data Link Transmission Control Unit page 123 MID 223 PSID 214 No Data From BBM page 123 SID MID 223 SID 231 J1939 Control Link page 124 MID 223 SID 240 Program Memory page 125 MID 223 SID 250 J1708 Information Link page 125 MID 223 SID 253 Calibration Memory EEPROM page 126 MID 223 SID 254 Hardware Fault page 126 118 Group 28 MID 223 PSID 9 Gear Selector Position Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 12 e Faulty device or component e The sensor signals do not correspond with valid value e Yellow lamp is sent e Some or all
17. 412 EGR Temperature Troubleshooting e Abnormal rate of change EGR sensor is showing a constant value that will not change e Malfunction indicator lamp illuminated Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 RE mA e Data valid but N A e Malfunction e Extreme driving conditions above normal indicator lamp e EGR cooler failure operational range illuminated most severe level FMI 4 e Voltage below Short to ground e Engine responds e Faulty EGR Temperature Sensor normal or shorted on the metering poorly connector low side of the EGR e Engine power e Faulty EGR Temperature Sensor Sensor circuit will be derated harness according to the e Faulty EGR Temperature Sensor error torque map FMI 5 e Current below Short to battery e Engine responds e Faulty EGR Temperature Sensor normal or open in the metering poorly connector circuit side of the EGR e Engine derate e Faulty EGR Temperature Sensor Sensor circuit harness Open in the e Faulty EGR Temperature Sensor metering side of the EGR Sensor circuit Open circuit in the ground line of the EGR Sensor circuit FMI 10 Faulty EGR Temperature Sensor connector Faulty EGR Temperature Sensor harness EGR system leakage 32 Group 28 MID 128 PPID 35 EGR Mass Flow Troubleshooting e Data valid but below normal operational range most severe level e EGR
18. A FMI 5 Current below normal or open circuit e The high side drive is open circuit Yellow lamp is sent The valve cannot be activated Splitter gears are missing Incorrect gear selection e N A FMI 6 Current above normal or grounded circuit The high side drive is short circuit to ground Yellow lamp is sent The valve cannot be activated Splitter gears are missing Incorrect gear selection e N A 105 Group 28 MID 130 SID 38 Solenoid Valve Low Split Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 3 e Voltage above normal or shorted high e The high side drive is short circuit to U BATT Yellow lamp is sent The valve is activated Direct and neutral split gears are missing Incorrect gear selection e N A FMI5 Current below normal or open circuit e The high side drive is open circuit Yellow lamp is sent The valve cannot be activated Splitter gears are missing Incorrect gear selection e N A FMI 6 Current above normal or grounded circuit The high side drive is short circuit to ground Yellow lamp is sent The valve cannot be activated Splitter gears are missing Incorrect gear selection e N A 106 Group 28 MID 130 SID 231 J1939 Control Link Troubleshooting e
19. Data erratic intermittent or incorrect e CAN communication does not work e Yellow lamp is sent e Slow gear shifts Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e N A MID 130 SID 240 Program Memory Note The boot program only sets this fault code during power up The boot program does not save any fault codes Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic intermittent or incorrect e Faulty data in program memory e Yellow lamp is sent e Cranking is inhibited e Engine cannot start e N A 107 Group 28 MID 130 SID 250 J1708 Information Link Troubleshooting e Abnormal update rate e Signal from MID 128 PID 190 PID 85 PPID 212 is not received within 30s e Yellow lamp is sent e Slow gear shifts e Fault codes cannot be read 9 On vehicle tests cannot be performed Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e N A MID 130 SID 253 Calibration Memory EEPROM e Calibration value out of range e Flash checksum dataset error e Program code missing Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 13 e Yellow lamp is sent e Cranking is inhibited e Engine cannot start e NA
20. FMI 0 me a e Data valid but e Moderately e Engine derate e Extreme driving conditions above normal Above range operational range e Critically Above Range FMI 2 fa e Data erratic e Plausibility 9 In some cases e The oil temperature sensor output intermittent or may have is showing either too high or to low incorrect an effect on value abnormal value driveability FMI 4 e Voltage below e Short Circuit e N A e Engine Oil Temperature EOT normal or shorted Measuring line sensor failure low e Faulty harness FMI 5 i e Current below e Short Circuit e N A e Engine Oil Temperature EOT normal or open circuit Measuring line e Open Circuit sensor failure e Faulty harness 29 Group 28 MID 128 PID 354 Relative Humidity Troubleshooting e Current below normal or open circuit Open in the metering circuit of the Relative Humidity Sensor Open in the 5 volt supply circuit of the Relative Humidity Sensor Short to ground in the metering circuit of the Relative Humidity Sensor e Turbocharger noise e Malfunction indicator lamp illuminated Faulty connector Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e Short to battery e Turbocharger Faulty connector normal or shorted in the metering noise Faulty Relative Humidity Sensor to high source circuit of e Malfunction harness the Relative ind
21. Group 28 Intake Air Temperature and Humidity IATH Sensor The Intake Air Temperature and Humidity IATH Sensor contains a thermistor and a capacitive sensor The resistance of the thermistor varies inversely to temperature The output of the capacitive sensor increases as the humidity of the surrounding air increases By monitoring the signals from both portions of the sensor the Engine Management System EMS Module calculates the temperature and humidity of the air passing through the air filter housing The Intake Air Temperature and Humidity IATH Sensor is located in the air intake tube just downstream from the air filter canister Intake Manifold Boost Temperature Sensor The Intake Manifold Boost Temperature Sensor is a thermistor whose resistance varies inversely to temperature The sensor has a negative temperature coefficient which means the sensor resistance will decrease as the inlet air temperature increases The Intake Manifold Boost Temperature Sensor is located in the intake manifold Intake Manifold Pressure Sensor The Intake Manifold Pressure Sensor contains a pressure sensitive diaphragm and an electrical amplifier Mechanical pressure applied to the diaphragm causes the diaphragm to deflect and the amplifier to produce an electrical signal proportional to the deflection The Intake Manifold Pressure Sensor is located on the air inlet pipe before the intake manifold Throttle Position TP S
22. Loss of torque e Incorrect gear selection e The 1 st gears will not be selected by the system for a short while after five successful gearshifts a new attempt to use 1 st gear may be made e N A FMI 12 e Blocked engagement of reverse gear e The reverse gear cannot engage e Yellow lamp is sent e The R gear can not engage but the system will try to engage itas log as the gear lever is in the reverse position e N A 93 Group 28 Troubleshooting MID 130 PSID 26 Gears 2 3 Engagement System Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Unintentional 9 The 2 3 cylinder e Yellow lamp is e N A disengagement position indicates sent of second gear that the 2 3 gear leaves the 2 nd Loss of torque position e The cylinder valves are inactive FMI 1 e Unintentional e The 2 3 cylinder e Yellow lamp is e NA disengagement leaves the 3 rd sent of third gear position e Loss of torque e The 3 rd cylinder valves are inactive FMI 2 ANE e Unintentional e The split cylinder e Yellow lamp is e N A disengagement position leaves sent of neutral the neutral position e The split cylinder valves are inactive FMI 7 e Blocked 9 The neutral gear e Yellow lamp is e N A engagement of neutral 2 nd and 3 rd gear cylinder cannot engage sent e Slow gear changes 94 Group 28
23. Management System EMS Module e Faulty Atmospheric Pressure Sensor 24 Group 28 MID 128 PID 110 Coolant Temperature Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 L e Data valid but e The Engine e Malfunction e Extreme driving condition above normal Coolant indicator lamp e Faulty coolant thermostat operational range Temperature illuminated e Malfunctioning fan ECT Sensor e Blocked radiator is indicating an unphysical value FMI 2 e Data erratic e The Engine e May affect e Faulty Engine Coolant Temperature intermittent or Coolant driveability in ECT Sensor or Engine incorrect Temperature extreme cases Management System EMS ECT Sensor e Malfunction Module connector output is too high indicator lamp e Break in Engine Coolant or too low illuminated Temperature ECT Sensor harness e Malfunctioning Engine Coolant Temperature ECT Sensor FMI 4 e e Voltage below e NA e Difficult to start e Internal fault in the Engine Coolant normal or shorted in cold climates Temperature ECT Sensor harness low e Idle run e Faulty Engine Coolant Temperature regulation is ECT Sensor connector deteriorated e Faulty Engine Coolant Temperature e Malfunction ECT Sensor indicator lamp illuminated FMI 5 va l e Current below e N A e Difficult to start e An open in the Engine Coolant normal or open in cold climates Temperature ECT Sens
24. Sensor is located on the oil filter assembly The sensor monitors engine oil pressure to warn of lubrication system failure Engine Oil Level EOL Sensor The Engine Oil Level Sensor is located in the oil pan Engine Oil Temperature EOT Sensor The Engine Oil Temperature Sensor is a thermistor whose resistance varies inversely to temperature The sensor has a negative temperature coefficient which means the sensor resistance will decrease as the engine oil temperature increases The Engine Oil Temperature Sensor is located in the oil pan Exhaust Temperature Sensor DPF Sensors The exhaust gas temperature sensor detects exhaust gas temperature for DPF protection as well as DPF regeneration control The sensor modifies a voltage signal from the control unit The modified signal returns to the control unit as the exhaust temperature at that specific location of the exhaust The sensor uses a thermistor that is sensitive to the change in temperature The Exhaust Temperature Sensors are located in the DPF assembly Fuel Pressure Sensor The fuel pressure sensor contains a diaphragm that senses fuel pressure A pressure change causes the diaphragm to flex inducing a stress or strain in the diaphragm The resistor values in the sensor change in proportion to the stress applied to the diaphragm and produces an electrical output The Fuel Pressure Sensor is located on top of the fuel filter housing Design and Function
25. Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 11 e Blocked engagement of second gear e The 2 nd gear can not engage e Yellow lamp is sent e Loss of torque e Incorrect gear selection e The 2 nd gear will not be selected by the system for a short while after five successful gearshifts a new attempt to use 2 nd gear may be made e N A FMI 12 e Blocked engagement of third gear e The 3 rd gear cannot engage e Yellow lamp is sent e Loss of torque e Incorrect gear selection e The 3 rd gear will not be selected by the system for a short while after five successful gearshifts a new attempt to use 3 rd gear may be made e N A 95 Group 28 MID 130 PSID 27 Clutch System Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 0 e Unintentional disengagement of the clutch e The clutch disengages when not commanded and e Thereis no active fault code on the SEPoC and e Thereis no active fault code for low air pressure and e Thereis no active fault code on any of the clutch cylinder valves and e The PCB temperature is above a specific limit e Yellow lamp is sent e Slow gear changes e Slow clutch performance e N A FMI 1 e Unintentional engagement of the clutch
26. e Engine cannot start 71 Group 28 Troubleshooting MID 130 PPID 11 Gear Selector Cylinder 2 Position out of range in NVRAM is not correct or e The sensor has not been calibrated sent 9 Cranking is inhibited e Engine cannot start Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e Status from ASIC e Yellow lamp is e NA normal or shorted is short circuit to sent high U BATT e Slow gear changes FMI 5 9 Current below e Status from ASIC e Yellow lamp is e NA normal or open is open circuit sent circuit e Slow gear changes FMI 6 9 Current above e Status from ASIC e Yellow lamp is e N A normal or is short circuit to sent grounded circuit ground e Slow gear changes FMI 13 TERT e Calibration value e The checksum e Yellow lamp is e NA 72 Group 28 MID 130 PPID 50 Clutch Pre load Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but e The calculated e Yellow lamp is e NA above normal stored energy is sent operational range above 200 kJ e The clutch is e The energy overheated calculation is for VTNA and slowly engaged physical for others FMI 11 e Clutch e Clutch slip e Yellow lamp is e NA protection active more than 8 0 sent unidentifiable s with vehicle error movement less e There has been than 0 8 m
27. e Short Circuit Measuring line e Open Circuit Measuring line e Oil pressure shows 0 in the cluster engine is running Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 1 e Data valid but e Critically below e Engine derate e Oil leakage below normal range e Low pressure e Broken oil pump operational range e Clogged oil system FMI 3 bist e Voltage below e Short Circuit e Oil pressure e Engine Oil Pressure EOP sensor normal or shorted Measuring line shows 0 in the failure low e Open Circuit cluster engine is e Faulty harness Ground line running FMI 5 e Engine Oil Pressure EOP sensor failure e Faulty harness 20 Group 28 MID 128 PID 102 Intake Manifold Pressure Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 Data valid but e Intake Manifold e Engine derate e Variable Geometry Turbo VGT above normal Pressure Sensor e Malfunction actuator stuck operational range output is high indicator lamp e Faulty Intake Manifold Pressure e Intake Manifold illuminated Sensor harness Pressure is e Intake Manifold Pressure Sensor indicating an failure unphysical value FMI 1 Data valid but e Intake Manifold e Engine derate e Intermittent fault in the Intake below normal Pressure Sensor Malfunction Manifold Pressure Sensor harness operational range is indicating an indicator lamp Fa
28. flow is too low e Poor driveability Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but e EGR flow is too e Poor driveability e Faulty EGR system above normal high e Faulty harness or connector operational range most severe level FMI 1 e Faulty EGR system e Clogged EGR cooler e Faulty harness or connector MID 128 PPID 89 Variable Geometry Turbocharger Smart Remote Actuator Temperature e Data valid but above normal operational range most severe level VGT SRA temperature is moderately too high e Engine derate Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 9 Coolant system malfunction e Extreme driving conditions e Overheated VGT actuator 33 Group 28 Troubleshooting MID 128 PPID 122 Engine Compression Brake Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 1 e Data valid but above normal operational range e Below range e No Volvo Compression Brake VCB e Low engine oil temperature FMI 3 e Voltage above normal or shorted to high source e Short Circuit e Volvo Compression Brake VCB can not be turned on e Engine brake function derated e Gear shift performance derated for some automatic transmission boxes e Faulty Volvo Compression Brake VCB actuator
29. lamp is e N A engagement of gear can not sent high range engage e Loss of torque e Incorrect gear selection 91 Group 28 Troubleshooting MID 130 PSID 25 Gears 1 R Engagement System engagement of neutral engage neutral sent e Slow gear changes Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Unintentional 9 The 1 R cylinder e Yellow lamp is e N A disengagement leaves the 1 st sent of first gear position e Loss of torque e The 1 st cylinder valves are inactive FMI 1 e Unintentional e The 1 R gear e Yellow lamp is e NA disengagement leaves the sent of reverse gear reverse position e Loss of torque e The 1 R cylinder valves are inactive FMI 2 e Unintentional e The 1 R cylinder e Yellow lamp is e N A disengagement leaves the sent of neutral neutral position e The 1 R cylinder valves are inactive FMI 7 e Blocked e Not possible to e Yellow lamp is e N A 92 Group 28 Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 11 e Blocked engagement of first gear e The 1 st gear can not engage and e Thereis no active fault code on the SEPo1R and e Thereis no active fault code for low air pressure and e Thereis no active fault code on any of the 1 st and reverse gear cylinder valves e Yellow lamp is sent e
30. normal signal is in sent operational range normal range 9 Symbol for high e Temperature is transmission oil above 120 C temperature is lit 248 F during 600 s FMI 0 i High e Data valid but e The sensor e Red lamp is sent e N A above normal signal is in operational range normal range Symbol for high transmission oil e Temperature is temperature is lit above 140 C 284 F during 30 5 FMI 4 9 Voltage below e The sensor e Yellow lamp is e N A normal or shorted signal is below sent low normal range FMI 5 e Current below e The sensor e Yellow lamp is e NA normal or open signal is above sent circuit normal range 70 Group 28 Troubleshooting MID 130 PPID 10 Gear Selector Cylinder 1 Position Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e Status from ASIC e Yellow lamp is e N A normal or shorted is short circuit to sent high U BATT e Slow gear changes FMI 5 9 Current below e Status from ASIC e Yellow lamp is e N A normal or open is open circuit sent circuit e Slow gear changes FMI 6 9 Current above e Status from ASIC e Yellow lamp is e NA normal or is short circuit to sent grounded circuit ground e Slow gear changes FMI 13 Vt e Calibration value e The checksum e Yellow lamp is e NA out of range in NVRAM is not correct or e The sensor has not been calibrated sent e Cranking is inhibited
31. preferred tool for performing diagnostic work Contact your local dealer for more information System Overview Five electronic control modules are used the Engine Management System EMS Module Instrument Cluster Module ICM Vehicle Electronic Control Unit VECU Transmission Electronic Control Unit TECU and the Gear Selector Electronic Control Unit GSECU Together these modules operate and communicate through the J1939 high speed serial data line to control a variety of engine and vehicle cab functions The Engine Management System EMS Module controls fuel timing and delivery fan operation engine protection functions engine brake operation the EGR valve and the turbocharger nozzle The Vehicle Electronic Control Unit VECU controls cruise control functions accessory relay controls and idle shutdown functions The Instrument Cluster Module ICM primarily displays operational parameters and communicates these to the other ECU s All have the capability to communicate over the J1587 normal speed data lines primarily for programming diagnostics and data reporting In addition to their control functions the modules have on board diagnostic capabilities The on board diagnostics are designed to detect faults or abnormal conditions that are not within normal operating parameters When the system detects a fault or abnormal condition the fault will be logged in one or both of the modules memory the vehicle o
32. responding or out of adjustment e The transmission brake does not brake when the valve is activated e Yellow lamp is sent e Slow gear changes at standstill Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 7 e N A MID 130 PSID 200 Communication Interference Data Link Engine Control Unit e Abnormal update rate e Message missing on J1939 from the following control unit Engine Control Unit EECU e Yellow lamp is sent e f there is no POWER TRAIN_CAN automatic gear selection en ters backup mode with gear changes only at certain vehicle speeds e f there is no POWER TRAIN_CAN and if the engine does not receive messages from the TECU the gear changes will be slow Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e N A 98 Troubleshooting Group 28 MID 130 PSID 201 Communication Interference Data Link Vehicle Control Unit Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 8 e Abnormal frequency pulse width or period e Signal from vehicle control unit indicates fault in the accelerator pedal position or the brake pedal switch e Yellow lamp is sent e f pedal position undefined automatic gear selection enters backup mode with gear changes only at cert
33. s e Voltage above e Short to positive e Malfunction e Broken Cooling Fan Actuator normal or shorted in the Cooling indicator lamp e Faulty Cooling Fan Actuator harness To high source Fan control illuminated or connector circuit FMI 4 e Voltage below e Short to ground e Malfunction e Broken Cooling Fan Actuator normal or shorted in the Cooling indicator lamp e Faulty Cooling Fan Actuator harness to low source Fan control illuminated or connector circuit e Output voltage is 1 3 the supply voltage FMI 5 e Current below normal or open circuit 9 Open in the Cooling Fan control circuit e Malfunction indicator lamp illuminated e Broken Cooling Fan Actuator e Faulty Cooling Fan Actuator harness or connector MID 128 SID 70 Preheater Element 1 Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 a e Voltage above e Short Circuit e Fuse for shorting e Faulty Preheat Relay normal or shorted Measuring line wire blown e Short in high side of Preheat Sense to high source 1 circuit FMI 4 e Voltage below e Short Circuit e Shorting wire e Preheat relay problem normal or shorted Measuring line may break e Sense 1 Short Circuit Measuring low line FMI 5 e Current below normal or open circuit e Open Circuit e May get start problems in cold climate e Faulty Heating element e Broken wire 50 Group 28 MID 12
34. sensor signals is Slow clutch open circuit detected when performance one of the sensor signals is within normal range and the other sensor signal is below normal range e Open circuit on ground is detected when both the sensor signals are within the normal range and the sum of the sensor signals is above a specific value e Rough shifting at start and at slow speed e Slow gear changes 59 Group 28 Troubleshooting Type of FMI Fault Condition Possible Symptoms Possible Cause fault Description FMI 12 Both sensor signals e Faulty are below normal e Yellow lampis sent e N A device or when component g Slow clutch e Status of the performance sensor ASIC is em internal fault on 119151 ihe sensorar start and at slow speed e Short circuit to Siow oearehan ground on any 9 anges of the sensor signals or e Open circuit on supply or e Short circuit between the two sensor signals FMI 13 i e Calibration e The checksum e Yellow lampis sent e N A value out of in NVRAM is not range correct or the e Cranking is inhibited sensor has not been calibrated e Engine cannot start 60 Group 28 MID 130 PID 36 Clutch Wear Status Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but above normal operational range e The clutch wear
35. stalk actions are not working e 15 not possible to select gear e N A 119 Group 28 Troubleshooting MID 223 PSID 36 Relay Power Supply Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 7 e Mechanical system e The relay does e Yellow lamp is e N A not responding not release sent properly e Fault displayed after ignition OFF e Risk of battery discharge if main circuit breaker is not opened when vehicle is not used FMI 12 e Faulty device or e OvoltageatPin1 e Itis possible N A component to drive the vehicle 120 Group 28 MID 223 PSID 42 Signals Key Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic intermittent or incorrect e Inconsistency between hard wired ignition signal and ignition signal read on network e Yellow lamp is sent e Transmission supplied and Optidriver fully functional until main circuit breaker is opened e Risk of battery discharge if main circuit breaker not opened when vehicle not used e Transmission not supplied and vehicle immobilized after main circuit breaker has been cycled e N A 121 Group 28 Troubleshooting MID 223 PSID 200 Communication Interference Data Link Engine Control Unit e Abnormal update rate e Message mi
36. supplement PPID PSID The fault codes set by the control units contain information that is described by the following abbreviations MID Message Identification Description SID Subsystem Identification Description Identification of a control unit Identification of a component PID Parameter Identification Description PSID Proprietary Subsystem Identification Identification of a parameter value Description Volvo Phat Unique identification of a component PPID Proprietary Parameter Identification Description Volvo FMI Failure Mode Identifier Unique identification of a parameter Identification of fault types value FMI Table FMI Display Text SAE Text 0 Too high value Data valid but above the normal work range 1 Too low value Data valid but below the normal work range 2 Incorrect data Data erratic Intermittent or incorrect 3 Electrical fault Voltage above normal or shorted high 4 Electrical fault Voltage below normal or shorted low 5 Electrical fault Current below normal or open circuit 6 Electrical fault Current above normal or grounded circuit 7 Mechanical fault Mechanical system not responding properly 8 Mechanical or electrical fault Abnormal frequency pulse width or period 9 Communication fault Abnormal update rate 10 Mechanical or electrical fault Abnormal rate of change 11 Unknown fault Failure mode not identifiable 12 Component fault Bad intelligent device or component
37. 144 PPID 71 Cruise Control and Engine Brake Switch Supply FMI 4 e Voltage below e N A e Engine will not e Faulty connector normal or shorted supply requested e Faulty harness to low source fuel increase e Supply voltage shorted low MID 144 PPID 72 Accelerator Pedal and Engine Brake Sensors Supply ee e Voltage above e Abnormally high e Requested fuel e APP harness shorted high normal or shorted voltage not supplied to to high source engine e Engine brake retarder is disabled FMI 4 e Voltage below e Abnormally low e Requested fuel e APP harness shorted low normal or shorted voltage not supplied to to low source engine e Engine brake retarder is disabled 114 Group 28 Troubleshooting MID 144 PPID 73 Second Accelerator Pedal Supply Sensors Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e Abnormally high e Engine will not e APP harness shorted high normal or shorted voltage supply requested to high source fuel to engine e Engine brake retarder is disabled FMI 4 Voltage below normal or shorted to low source e Abnormally low voltage e Engine will not supply requested fuel to engine e Engine brake retarder is disabled e APP harness shorted low MID 144 PPID 265 Vehicle Speed Sensor Supply Type of FMI Description Fault Condition Possible Possible Cause
38. 8 SID 71 Preheater Element 2 Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 R e Voltage above e Short Circuit e Fuse for shorting e Faulty Preheat Relay normal or shorted Measuring line wire blown e Short in high side of Preheat Sense to high source 2circuit FMI 4 ve e Voltage below e Short Circuit e Shorting wire e Preheat relay problem normal or shorted Measuring line may break e Sense 2 Short Circuit Measuring low line FMI 5 e Current below normal or open circuit e Open Circuit e May get start problems in cold climate Faulty Heating element Broken wire MID 128 SID 146 EGR Valve 1 Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e Stuck EGR e Malfunction e Faulty EGR Control Valve actuator normal or shorted Control Valve indicator lamp e EGR Control Valve harness To high source e EGR Control illuminated Valve circuit e Engine derate shorted to positive e EGR Control Valve circuit shorted to ground FMI 5 e Current below e Open EGR e Malfunction e Faulty EGR Control Valve actuator normal or open Control Valve indicator lamp e EGR Control Valve harness circuit Circuit illuminated e Engine derate FMI 7 e Mechanical e EGR Valve stuck e Engine derate e Faulty EGR Valve System Not closed Responding or Out Of Adjustment FMI 12 e Bad Intell
39. Cause fault Symptoms FMI 3 o l l e Voltage above e Missing signal e Higher fuel e Cooling Fan Speed CFS sensor normal or shorted from Fan Speed consumption failure to high Sensor e Will work as e Faulty Cooling Fan Speed CFS e Short Circuit on off fan sensor harness Measuring line 100 fan speed e Short Circuit if cooling is Measuring line needed e Open Circuit Measuring line e Open Circuit Ground line MID 128 PID 45 Preheater Relay Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 9 Voltage above e Short Circuit e Preheat relay not e Preheat relay solenoid shorted normal or shorted Measuring line activated to high e White smoke for cold start e Start problems in cold climate FMI 4 oe 2 e Voltage below 9 Short Circuit e Induction air is e Faulty harness normal or shorted Measuring line hot low e Preheat relay is impossible to turn off FMI 5 e Current below normal or open circuit e Open Circuit Preheat relay not activated White smoke for cold start Start problems in cold climate e Faulty Preheat relay e Faulty harness 16 Group 28 MID 128 PID 81 Particulate Filter Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but e Moderately high e Engine derate e Particulate Trap Pressure PTP above normal pressure e Malfunction Sen
40. Condition Possible Possible Cause fault Symptoms FMI 3 ne Voltage above e Circuit shorted to e Malfunction e Faulty harness normal or shorted battery indicator lamp e Injector failure to high source illuminated FMI 4 Voltage below e Circuit shorted to e Malfunction e Faulty harness normal or shorted ground indicator lamp e Injector failure low illuminated FMI 5 ae Current below e Open circuit e Malfunction e Faulty harness normal or open indicator lamp e Injector failure circuit illuminated FMI 7 Mechanical system e After treatment e Malfunction e After Treatment Fuel Injector failure not responding or fuel injector indicator lamp out of adjustment clogged illuminated FMI 14 Special e After Treatment e Malfunction e After Treatment Fuel Injector failure instructions Fuel Injector indicator lamp leaking illuminated 37 Group 28 MID 128 PPID 330 DRV Troubleshooting e Mechanical system not responding or out of adjustment e Mechanically Stuck 9 On off valve can t be activated e Regeneration not possible e High engine braking without request e Driveability affected e Valve constantly activated e Major engine derate e Exhaust manifold overheating e Engine shut down Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 be tas e Voltage above e Short circuit 9 On off valve can t e Faulty Disch
41. Design and Function Group 28 MID 223 Gear Selector Control Unit The Premium Tech Tool PTT is the preferred tool for performing diagnostic work Contact your local dealer for more information System Overview The gear selector is attached to the drivers seat and can be folded away to aid in entering the cabin There are two available selector configurations a basic and a premium The selector in the vehicle is dependant on which program package level the vehicle is built with Both selectors have gear positions of R Reverse N Neutral D Drive and M Manual With the selector in the drive position the transmission will shift as an automatic performing gear selections and shifting without driver input When in the manual position the driver either selects the gears using the gear selector button premium selector or will lock the gear that the transmission is presently operating in and hold that gear until the selector is placed in the drive position again basic selector With the basic Selector Folding The gear selector is capable of folding forward to aid in cab entry and is also used to identify which software level that is programmed in the Transmission Electronic Control Unit TECU With the selector in the neutral position Limp Home Mode Note Limp Home Mode should only be used to get a vehicle to a safe or secure location It is not meant for driving any distance At times when a sensor
42. Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic 9 Smart remote e Low boost e Disturbance on CAN2 data lines intermittent or actuator has e Low power incorrect not seen a valid e Nozzle opens command on e Smoke from CAN2 engine e Incorrect data FMI 4 e Voltage below e Shortto ground e Nozzle will open Faulty SRA VGT connector normal or shorted resulting in low e Faulty SRA VGT harness to low source power and low e Low battery voltage boost e SRA will continue to attempt and maintain target nozzle position FMI 7 e Mechanical system e Mechanical e Low boost and e Actuator motor effort is temporarily not responding or problem with smoke limited to prevent overheating out of adjustment the VGT SRA e Possible engine e Restrictions detected when running derate learn sequence e Power loss in e SRA is slow to follow commands some cases 9 SRA position is not tracking when actuator command motor has been disabled FMI 9 e Abnormal update Data from the e Engine derated e Data line harness rate SRA has been major e No supply to VGT actuator missing for e EGR valve e VGT actuator 2 seconds closed e VGT SRA connector FMI 13 e Out of calibration e Failed self e NA e Smart remote actuator calibration 49 Group 28 MID 128 SID 33 Fan Control Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3
43. High fuel e Faulty Water In Fuel WIF Solenoid normal or shorted Measuring line consumption due Valve low to fuel leakage e Broken wire FMI 5 l e Current below e Open Circuit e Valve constantly e Faulty Water In Fuel WIF Solenoid normal or open shut Valve circuit e Broken wire 46 Group 28 Troubleshooting MID 128 SID 21 Engine Position Timing Sensor width or period Position Timing Sensor e Open in the Engine Position Timing Sensor Circuit e Loss of engine power Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic e Phase Error e Increased fuel e Faulty connector intermittent or Incorrect consumption e Faulty Engine Position Timing incorrect correlation Sensor harness between CAM e Faulty Engine Position Timing and Crank Sensor Sensor e Improper air gap FMI 3 5 oe e Voltage above e Missing Signal e Increased e Faulty Engine Position Timing normal or shorted from Engine engine start time Sensor harness to high source Position Timing e Loss of engine Sensor power e Open in the Engine Position Timing Sensor Circuit e Short to battery in the Engine Position Timing Sensor Circuit e Short to ground in the Engine Position Timing Sensor Circuit FMI 8 E i e Abnormal e Noisy Signal e Increased e Faulty Engine Position Timing frequency pulse from Engine engine start time Sensor harness e Faulty Engine Position Tim
44. PID 103 Turbo Speed Troubleshooting e Abnormal update rate missing sensor signal e A fault 5 logged if the Turbo Speed Sensor signal is lost Engine derate Malfunction indicator lamp illuminated Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but e Turbocharger e Engine derate e Miss detection above normal speed is at least e Malfunction e Faulty Turbo Speed Sensor harness operational range 25 greater than indicator lamp e Faulty Turbo Speed Sensor the target wheel illuminated connector speed for the e Turbo Speed Sensor failure measured boost FMI 1 l e Data valid but e Turbocharger e Engine derate e Miss detection below normal speed is at least e Malfunction e Faulty Turbo Speed Sensor harness operational range 25 less than indicator lamp e Faulty Turbo Speed Sensor the target wheel illuminated connector speed for the e Turbo Speed Sensor failure measured boost FMI 9 e Communication fault in the metering line of the Turbo Speed Sensor circuit e Short to ground in the metering line of the Turbo Speed Sensor circuit 9 in the metering line of the Turbo Speed Sensor circuit 22 Group 28 Troubleshooting MID 128 PID 105 Intake Manifold Temperature Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but e The Intake e Eng
45. Service Manual Trucks Group 28 36 43 Fault Code Guide 2007 Emissions VN VHD VERSION2 VT PV776 20180137 WOINO Foreword Descriptions and instructions in this handbook are based on design and method studies up to and including 1 2007 The products are under continual development Values and repair methods may therefore differ on vehicles and components manufactured after this date This service information uses the following observation and warning levels Noie Indicates a situation use or circumstance that should be emphasized Important Indicates a situation where a special service hint or technique is used Caution Indicates a situation that unless avoided can lead to physical damage to the product Warning Indicates a dangerous situation that unless avoided can led to personal injury Danger Indicates a dangerous situation that unless avoided can lead to serious personal injury or death Order number PV776 20180137 2007 Volvo Trucks North America Inc Greensboro NC USA All rights reserved No part of this publication may be reproduced stored in retrieval system or transmitted in any forms by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Volvo Trucks North America Inc USA25976 ihval Group 28 Design and Function Group 28 Design and Function Engine Control System The Premium Tech Tool PTT is the
46. Yellow lamp is sent e The valve cannot be activated e Range gears are missing e Incorrect gear selection e N A 103 Group 28 MID 130 SID 36 Solenoid Valve Low Range Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 3 e Voltage above normal or shorted high e The high side drive is short circuit to U BATT e Yellow lamp is sent e The valve is activated e High range gears are missing e Incorrect gear selection e N A FMI5 e Current below normal or open circuit e The high side drive is open circuit e Yellow lamp is sent e The valve cannot be activated e Low range gears are missing e Incorrect gear selection e NA FMI 6 e Current above normal or grounded circuit e The high side drive is short circuit to ground e Yellow lamp is sent e The valve cannot be activated e Range gears are missing e Incorrect gear selection e N A 104 Group 28 MID 130 SID 37 Solenoid Valve High Split Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 3 e Voltage above normal or shorted high e The high side drive is short circuit to U BATT Yellow lamp is sent The valve is activated Indirect and neutral split gears are missing Incorrect gear selection e N
47. Yellow lamp is e N A normal or shorted drive is short sent high circuit to U BATT e The valve is activated e The PTO cannot be deactivated e Rough gear changes FMI 5 Current below e The high side e Yellow lamp is e NA normal or open drive is open sent circuit circuit e The valve cannot be activated e The PTO does not work FMI 6 Current above e The high side e Yellow lamp is e N A normal or drive is short sent grounded circuit circuit to ground e The valve cannot be activated e The PTO does not work 86 Group 28 Troubleshooting MID 130 PSID 21 Solenoid Valve Power Take off 2 Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e NA normal or shorted drive is short sent high circuit to U BATT e The valve is activated e The PTO cannot be deactivated e Rough gear changes FMI 5 l 9 Current below e The high side e Yellow lamp is e NA normal or open drive is open sent circuit circuit e The valve cannot be activated e The PTO does not work FMI 6 9 Current above e The high side e Yellow lamp is e NA normal or grounded circuit drive is short circuit to ground sent e The valve cannot be activated e The PTO does not work 87 Group 28 Troubleshooting MID 130 PSID 22 Solenoid Valve Brake Counter Shaft Type of fault FMI Description Fault Condition Pos
48. a supply line and is distributed to the other components internally The air control solenoids are housed in the Transmission Control Housing and in the Clutch Control Valve Assembly All Volvo Truck models will be available with this transmission including the VT VN Series amp VHD vocational trucks Four I Shift models will be offered to support the power ranges of the engines as well as offering different gear arrangements AT2512C ATO2512C AT2812C ATO3112C Operation Two Pedal Two Pedal Two Pedal Two Pedal Forward Speeds 12 12 12 Engines Available D11 D13 D11 D13 16 D16 Overall Ratio 14 94 1 15 04 1 14 94 1 15 04 1 Top Ratio Direct 1 00 1 Overdrive 0 78 1 Direct 1 00 1 Overdrive 0 78 1 Weight Ibs kg 597 275 597 275 610 281 610 281 Transmission Identification Each transmission has two identification tags One is found on the top of the clutch housing and the other is found on the back of the range housing The transmission version can be readily identified by the following nomenclature table T Transmission O Overdrive 12 Number of forward gears C Design Level Make Volvo Type AT2512C ATO2512C AT2812C and ATO3112C Description A Automatic 25 Torque Capacity 2500 Nm 1850 lb ft 28 Torque Capacity 2800 Nm 2050 lb ft 31 Torque Capacity 3100 Nm 2300 lb ft Group 28 Sensors Clutch Position Sensor The Clutch Pos
49. ain vehicle speeds e Uneven shifting at start and at slow speed e f service brake undefined automatic gear selection enters backup mode with gear changes only at certain vehicle speeds e N A FMI 9 e Abnormal update rate e Message missing on J1939 from the following control unit Engine Control Unit EECU e Yellow lamp is sent e Automatic gear selection enters backup mode with gear changes only at certain vehicle speeds e Rough shifting at start and at slow speed e N A 99 Group 28 Troubleshooting MID 130 PSID 204 Communication Interference Data Link Brake Control Unit message from the BECU MID 136 is not received e Slow gear changes Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 8 e Abnormal e This FMI shall be Yellow lamp is e N A frequency pulse set if the wheel sent width or period speeds from the BECU MID 136 Slow gear are not correct changes FMI 9 e Abnormal update e This FMI shall e Yellow lamp is e N A rate be set if the sent MID 130 PSID 207 Communication Interference Data Link Gear Selector Control Unit e Abnormal update rate e This FMI shall be set if the message from the GSECU MID 223 is not received Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e Yellow lamp is sent
50. and the mainshaft speed sensor SESM indicates forward movement e There is no other active fault on the sensor for the main shaft speed SEMS e Yellow lamp is sent e Slow gear changes e N A 65 Group 28 Troubleshooting normal or open circuit is below normal range e Supply voltage is in the normal range sent e Slow gear changes e Rough gear changes Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e Signal or supply Yellow lamp is e NA normal or shorted voltage is above sent high normal range e Slow gear changes e Rough gear changes FMI 4 e Voltage below e Signal and e Yellow lamp is e N A normal or shorted supply voltage sent low is below normal range e Slow gear changes e Rough gear changes FMI 5 e Current below e Signal voltage e Yellow lamp is e NA 66 Group 28 MID 130 PID 161 Input Shaft Rotation Speed Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 1 e Data valid but below operational range e The sensor signal is within normal range and e Thecounter shaft speed differs from both the main shaft speed SESM and the vehicle speed received from the VECU when the counter shaft is rotating The following conditions must be fulfilled for a time of 2 0 5 in order to activate
51. arge Recirculator Valve normal or shorted be activated DRV Solenoid to high source e Regeneration e Faulty harness not possible e Faulty Discharge Recirculator Valve e High engine DRV Solenoid connector braking without request e Driveability affected FMI 4 ak e Voltage below e Short circuit e Valve constantly e Faulty Discharge Recirculator Valve normal or shorted activated DRV Solenoid low e Major engine Faulty harness derate e Faulty Discharge Recirculator Valve e Exhaust manifold DRV Solenoid connector overheating e Engine shut down FMI 5 The e Current below e Open circuit 9 On off valve can t e Faulty Discharge Recirculator Valve normal or open be activated DRV Solenoid circuit e Regeneration e Faulty harness not possible e Faulty Discharge Recirculator Valve e High engine DRV Solenoid connector braking without request e Driveability affected FMI 7 Leaking pipes e Faulty Discharge Recirculator Valve DRV Solenoid 38 Group 28 MID 128 PPID 337 Ash Level Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but above normal operational range e Ash level too high e Need service e Short intervals between filter regenerations MID 128 PPID 387 Temperature Sensor Catalytic Converter Abnormal rate of change Sensor is stuck e Poor driveability
52. d tool for performing diagnostic work Contact your local dealer for more information System Overview The I Shift transmission is a technologically advanced automated mechanical transmission designed specifically to work in conjunction with Volvo s new family of heavy duty diesel engines In order to work as a total package the I Shift is programmed with each engines efficiency map and is offered with different software options to fulfill each operators needs All variants of the Volvo I Shift have 12 forward speeds and up to 4 reverse speeds depending on programming It is a single countershaft transmission built up with a splitter section a main section with three forward and one reverse gear and a range gear section It is an automated mechanical transmission and uses synchronizers in its splitter and range gears but not in the main section The main section utilizes a countershaft brake to mesh gears and equalize shaft speeds as needed A single disc automated clutch system is utilized The I Shift is a two pedal transmission and does not require a clutch pedal The 5 uses compressed air and electrical solenoids to perform shift functions clutch control and countershaft brake functions All of these functions are timed and controlled by the Transmission Electronic Control Unit TECU A dedicated air tank is needed on the vehicle to supply air for these components The air is plumbed to the transmission via
53. de of the circuit Open in the ground side of the circuit FMI 10 40 Group 28 Troubleshooting MID 128 PPID 437 Aftertreatment Injector Fuel Pressure Sensor Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 Data erratic Sensor is not e NA e Faulty shut off valve intermittent or rational e Sensor failure incorrect FMI 3 Voltage above Short to battery e N A e Faulty harness normal or shorted on the metering e Sensor failure to high source side Open in the ground line FMI 5 eee Current below Open circuit in e NA e Faulty harness normal or open the 5 volt supply e Sensor Failure circuit Short circuit to ground in the metering line Open circuit in the metering line FMI 10 Abnormal rate of After treatment e NA e Sensor change injector fuel pressure sensor stuck e Faulty shut off valve e Injector failure 41 Group 28 Troubleshooting MID 128 PSID 47 Particulate Trap Regeneration Device or Component efficiency too low Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 7 Data valid but e Plausability too e Regeneration e Faulty After Treatment Injector above normal high not possible operational range FMI 1 x Data valid but e Plausability too e Regeneration e Faulty After Treatment Injector below normal low not possible e Faulty Diesel Partic
54. e 116 110 Group 28 MID 144 PID 84 Vehicle Speed Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data Erratic e Intermittent faulty e N A e VSS Harness Intermittent or data e VSS Sensor Incorrect 9 Speed e VECU signal from e VECU harness speedometer and ABS differs too much e Speed signal from VSS and ABS differs too much FMI 14 e Special e Intermittent faulty e N A e Faulty information from tachometer instructions data e J1587 data link e Speed signal from VSS was updated incorrectly e Wiring harness 111 Group 28 MID 144 PID 91 Accelerator Pedal Position Percentage Troubleshooting e Special Instructions Supply error from PPID 72 Supply error Engine will not supply requested fuel increase Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e Abnormally high e Engine will not e APP harness shorted high normal or shorted voltage supply requested e Faulty APP sensor to high source fuel to engine FMI 4 e Voltage below e Abnormally low Engine will not e APP harness shorted low normal or shorted voltage supply requested e Faulty APP sensor to low source fuel to engine FMI 5 e Current below e Abnormally low Engine will not e Faulty APP sensor normal or open current supply requested circuit e Input is fuel i
55. e 125 C 257 F e Yellow lamp is sent e N A MID 130 PPID 140 Inclination Angle Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic intermittent or incorrect e The sensor signal is above or below normal range e The vehicle has been standing still for a specific time e Yellow lamp is sent e The start gear may be wrong e Gear selection performance might be reduced e Downhill and uphill gear change performance may be reduced e N A 75 Group 28 Troubleshooting MID 130 PSID 1 PWM Valve Quick Engagement Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e N A normal or shorted drive is short sent high circuit to U BATT and e Erratic clutch performance e Thereis no active fault code for e Slow clutch short circuit to performance U BATT on VAF Slow gear changes FMI 5 e Current below e The high side e Yellow lamp is e N A normal or open drive is open sent circuit circuit l e Erratic clutch performance e Slow clutch performance e Slow gear changes FMI 6 l e Current above e The high side e Yellow lamp is e N A normal or drive is short sent grounded circuit circuit to ground e Erratic clutch performance e Slow clutch performance e Slow gear changes 76 Gr
56. e Faulty harness FMI 4 e Voltage below normal or shorted low e Short Circuit e Volvo Compression Brake VCB can not be turned off e Engine stops running e Engine impossible to restart e Faulty Volvo Compression Brake VCB actuator e Faulty harness FMI5 e Current below normal or open circuit e Open Circuit e Volvo Compression Brake VCB can not be turned on e Engine brake function derated e Gear shift performance derated for some automatic transmission boxes e Faulty Volvo Compression Brake VCB actuator e Faulty harness 34 Group 28 MID 128 PPID 270 NOx Sensor MID 233 Fault code sent by MID 128 Engine Troubleshooting control unit Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 Data erratic e Removed e Malfunction e NOx sensor removed measures intermittent or e Plausibility indicator lamp surround air incorrect illuminated Exhaust system leakage 9 Air intake leakage e Faulty NOx sensor FMI 3 T Voltage above e Short Circuit e N A e Faulty cabling between NOx sensor normal or shorted NOx signal and NOx sensor ECU to high source e Faulty NOx sensor FMI 5 or Current below 9 Open Circuit e N A e Faulty cabling between NOx sensor normal or open NOx signal and NOx sensor ECU circuit e Faulty NOx sensor FMI 9 Abnormal update e Abnormal update e N A e Missing signal from NOx s
57. e Possible Cause fault Symptoms FMI 9 e N A 123 Group 28 MID 223 SID 231 J1939 Control Link e Data erratic intermittent or incorrect e CAN communication does not work e Yellow lamp is sent e Gear lever commands slower J1587 e No memorization during 1 5 sec of direction change requests when vehicle is moving e Temporary manual mode disabled 9 Downhill help disabled e Return to drive disabled Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e N A 124 Troubleshooting Group 28 MID 223 SID 240 Program Memory Troubleshooting e Data erratic intermittent or incorrect e Fault data in program memory e The control unitis not programmed e Yellow lamp is sent e GSECU No function except supply the relay e Unable to shift out of neutral position Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e N A MID 223 SID 250 J1708 Information Link e Abnormal update rate e The information link SAE 1567 1706 is not working e Yellow lamp is sent Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e Acontrol unit is being programmed 125 Group 28 Troubleshooting MID 223 SID 253 Calibration Memory EEPROM Ty
58. e a POWERTRAIN_CAN link exists between the TECU and the engine FMI 2 e Data erratic e CAN e Yellow lamp is e NA intermittent or communication sent incorrect does not work e Slow gear shifts FMI 9 e Abnormal update e Message missing e Yellow lamp is e N A MID 130 PSID 254 DIEE Signal Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above normal or shorted high e The voltage level for the DIEE pin is high Yellow lamp is sent Cranking is inhibited Engine cannot start All communication with the control unit is disabled except for programming of MSW e N A 102 Group 28 MID 130 SID 35 Solenoid Valve High Range Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 3 e Voltage above normal or shorted high e The high side drive is short circuit to U BATT e Yellow lamp is sent e The valve is activated e Low range gears are missing e Incorrect gear selection e N A FMI 5 e Current below normal or open circuit e The high side drive is open circuit e Yellow lamp is sent e The valve cannot be activated e High range gears are missing e Incorrect gear selection e N A FMI 6 e Current above normal or grounded circuit e The high side drive is short circuit to ground e
59. e g unnecessary hill holding event clutch slip e The clutch is slowly engaged FMI 14 e Special e Attempt to start e White lamp is e N A instructions in high range in sent manual position e Not possible to start 73 Group 28 MID 130 PPID 51 Clutch Disc Pull Position Troubleshooting e Calibration value out of range e The checksum in NVRAM is not correct e Yellow lamp is sent e 15 not possible Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 13 e N A e The slip point to drive the has not been vehicle calibrated MID 130 PPID 54 ECU 5V Output Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI O e Data valid but e Voltage is above e Yellow lamp is e N A above normal normal range sent operational range e Slow clutch performance e Uneven shifting at start and at slow speed e Slow gear changes FMI 1 e Data valid but e Voltage is below e Yellow lamp is e N A below operational range normal range sent e Slow clutch performance e Uneven shifting at start and at slow speed e Slow gear changes 74 Group 28 MID 130 PPID 55 ECU Temperature Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but above normal operational range e Temperature is abov
60. elow e Ashort to battery e Difficult to start e short circuit in the metering circuit normal or open e inthe 5 in cold climates e Intermittent fault in the Intake circuit volt supply circuit e Engine derate Manifold Temperature Sensor e Malfunction harness indicator lamp e Faulty Intake Manifold Temperature illuminated Sensor connector e Intake Manifold Temperature Sensor failure FMI 10 e Abnormal rate of change e The Boost Temperature Senor output is showing a constant value e Engine derate e Malfunction indicator lamp illuminated e Faulty Intake Manifold Temperature Sensor harness e Intake Manifold Temperature Sensor failure 23 Group 28 MID 128 PID 108 Atmospheric Pressure Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic e Atmospheric e Minor engine Faulty Atmospheric Pressure Sensor intermittent or Pressure Sensor derate e Faulty Engine Management System incorrect output is too EMS Module high or too low abnormal value FMI 3 e Voltage above e Short to battery e N A e Internal fault in the Engine normal or shorted on the metering Management System EMS Module to high source side e Faulty Atmospheric Pressure Sensor FMI 4 e Voltage below e Ashortto ground e N A e Internal fault in the Engine normal or shorted to low source on the metering side
61. en running e Faulty fuel injector solenoid circuit battery positive e Running on 3 to a short circuit 5 cylinders to ground oran e Malfunction open circuit on indicator lamp the high side of illuminated the SV Needle Control Valve NCV or a Short Circuit to ground on the low side of the SV NCV FMI 7 i l bat e Mechanical system e Cylinder e Erratic engine 9 Clogged fuel injector s not responding balancing data is idle speed e Low fuel pressure above the limit e Poor Compression e Improper valve adjustment FMI 12 Failed Device e Injector or e Loss of power e Injector solenoid resistance out of Low injector hold harness e Uneven running specification current resistance too e Malfunction e Harness resistance too high high indicator lamp illuminated FMI 14 Special instructions Fuel injector flow is too low or high Cylinder compression is low e Loss of power e Uneven running e Malfunction indicator lamp illuminated Low injector flow High injector flow Poor compression 45 Group 28 MID 128 SID 18 Drain Valve Water Separator Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 9 Voltage above e Short Circuit e Valve constantly e Faulty Water In Fuel WIF Solenoid normal or shorted Measuring line shut Valve to high source e Broken wire FMI 4 ei e Voltage below e Short Circuit e
62. ensor The Throttle Position Sensor is a potentiometer that is mechanically linked to the accelerator pedal A potentiometer is a variable resistor whose resistance will change as the pedal is pressed As the resistance changes the signal voltage of the sensor changes indicating the accelerator pedal position The Throttle Position Sensor is located above the accelerator pedal The sensor is designed to improve the driver s control by reducing sensitivity to chassis motion This sensor provides the driver s fuel request input to the VECU Turbo Speed Sensor The Turbo Speed Sensor informs the EMS of the turbo shaft soeed The sensor does not read from the vanes but reads from the shaft The Engine Management System EMS Module uses this signal in conjunction with the VGT position sensor signal to control the speed of the turbocharger and therefore optimize the intake manifold pressure The Turbo Speed Sensor is mounted in the center of the turbocharger Design and Function Group 28 Design and Function Variable Geometry Turbocharger Smart Remote Actuator VGT SRA The Variable Geometry Turbocharger Smart Remote Actuator VGT SRA takes the position commands from the EMS moves the nozzle of the turbocharger to the desired position and performs all of the diagnostics and self checks on the actuator Group 28 Design and Function MID 130 Transmission Control Unit The Premium Tech Tool PTT is the preferre
63. ensor rate missing sensor signal FMI 10 Abnormal rate of e Stuck e N A e Exhaust system leakage change e Air intake leakage e Faulty NOx sensor FMI 12 Bad Intelligent e Incorrect value e NA e Faulty NOx sensor Device or Component FMI 13 A Out of calibration e Range check e N A e Faulty NOx sensor FMI 14 ne l Special e Missing signal e N A e Voltage to NOx sensor is too high instructions from sensor due to battery voltage 35 Group 28 Troubleshooting MID 128 PPID 272 Air Pressure Compensation e Current below normal or open circuit e Short Circuit e Open Circuit e Possible turbo noise Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 4 ae e Voltage below e Short Circuit e Possible turbo e Faulty Intake Air Temperature and normal or shorted noise Humidity IATH sensor to low source e Faulty harness e Faulty Intake Air Temperature and Humidity IATH sensor connector FMI 5 e Faulty Intake Air Temperature and Humidity IATH sensor e Faulty harness e Faulty Intake Air Temperature and Humidity IATH sensor connector MID 128 PPID 326 Soot Level e Critically high soot load e Critically high soot load e High engine derate e Engine derate Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but e Moderately high e Medium to hi
64. entification Description PSID Proprietary Subsystem Identification Identification of a parameter value Description Volvo a Unique identification of a component PPID Proprietary Parameter Identification Description Volvo FMI Failure Mode Identifier Unique identification of a parameter Identification of fault types value FMI Table FMI Display Text SAE Text 0 Too high value Data valid but above the normal work range 1 Too low value Data valid but below the normal work range 2 Incorrect data Data erratic Intermittent or incorrect 3 Electrical fault Voltage above normal or shorted high 4 Electrical fault Voltage below normal or shorted low 5 Electrical fault Current below normal or open circuit 6 Electrical fault Current above normal or grounded circuit 7 Mechanical fault Mechanical system not responding properly 8 Mechanical or electrical fault Abnormal frequency pulse width or period 9 Communication fault Abnormal update rate 10 Mechanical or electrical fault Abnormal rate of change 11 Unknown fault Failure mode not identifiable 12 Component fault Bad intelligent device or component 13 Incorrect calibration Out of calibration 14 Unknown fault Special instructions 15 Unknown fault Reserved for future assignment by SAE Data Formal Subcommittee Note When performing diagnostic test on intermittent faults gently wiggle the wires and connectors to help find the intermittent faults 54 Group 28 MID 130 Control Uni
65. failure or certain internal transmission damage has occurred Limp Home Mode can be activated Press the L button on the gear selector and move the gear lever to the D position to active Limp Home Mode When activated L is displayed as the Sensors Gear Selector Electronic Control Unit The gear selector communicates with the Gear Selector Electronic Control Unit using 8 wires These wires are used to decode a switch matrix inside the GSECU Inside the gear selector lever there are a number of switches Some of the switches are normal and some are hall effect switches The Gear Selector Electronic Control Unit is located in the center of the dash just rear of the VECU Design and Function selector if the manual position is engaged at a stop the vehicle will start in first and hold that gear The basic selector isn t equipped with a gear selector button or a economy performance dive mode button In situations where the I Shift is unintentionally left in gear with the parking brake applied the TECU will automatically go to neutral when the key switch is turned off This is done to avoid the transmission getting stuck in gear due to drive line torque up There is a gear selector electronic control unit GSECU that is located in the center of the dash The GSECU receives signals from the selector and interprets these signals into communication information that is transmitted to the TECU N press in the fold button and t
66. ff Valve page 37 MID 128 PPID 329 Aftertreatment Fuel Injector page 37 MID 128 PPID 330 DRV page 38 MID 128 PPID 337 Ash Level page 39 MID 128 PPID 387 Temperature Sensor Catalytic Converter page 39 MID 128 PPID 436 Exhaust Gas Temperature Sensor 3 page 40 MID 128 PPID 437 Aftertreatment Injector Fuel Pressure Sensor page 41 14 Troubleshooting Group 28 PSID MID 128 PSID 47 Particulate Trap Regeneration page 42 MID 128 PSID 98 Boost Air System page 42 MID 128 PSID 108 Aftertreatment Injection System page 43 MID 128 PSID 109 Engine Coolant Temperature Sensor page 44 SID MID 128 SID 1 2 3 4 5 6 Unit Injector page 45 MID 128 SID 18 Drain Valve Water Separator page 46 MID 128 SID 21 Engine Position Timing Sensor page 47 MID 128 SID 22 Engine Speed Sensor page 48 MID 128 SID 27 Variable Geometry Turbocharger page 49 MID 128 SID 33 Fan Control page 50 MID 128 SID 70 Preheater Element 1 page 50 MID 128 SID 71 Preheater Element 2 page 51 MID 128 SID 146 EGR Valve 1 page 51 MID 128 SID 211 5 Volt DC Supply page 52 MID 128 SID 230 Idle Validation Switch 1 page 52 MID 128 SID 232 5 Volt DC Supply to Sensor page 53 Troubleshooting Group 28 MID 128 PID 26 Fan Speed Percent Troubleshooting Type of FMI Description Fault Condition Possible Possible
67. gh e Diesel Particulate Filter DPF above normal soot load engine derate clogged operational range e After Treatment Fuel Injector clogged e Regeneration disabled by driver or other component FMI 11 e Diesel Particulate Filter DPF clogged e After Treatment Fuel Injector clogged e Regeneration disabled by driver or other component 36 Group 28 Troubleshooting MID 128 PPID 328 Aftertreatment Injection Shutoff Valve Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 Voltage above e Circuit shorted to e Malfunction e Faulty harness normal or shorted battery indicator lamp e Actuator failure to high source illuminated FMI 4 ae Voltage below e Circuit shorted to e Malfunction e Faulty harness normal or shorted ground indicator lamp e Actuator failure low illuminated FMI 5 oe Current below e Open circuit e Malfunction e Faulty harness normal or open indicator lamp e Actuator failure circuit illuminated FMI 7 Mechanical system e After Treatment e Malfunction e Shut off valve stuck closed not responding or Fuel Injector indicator lamp out of adjustment stuck closed illuminated FMI 14 Special 9 After Treatment e Malfunction e After Treatment Fuel Injector failure instructions Fuel Injector indicator lamp leaking illuminated MID 128 PPID 329 Aftertreatment Fuel Injector Type of FMI Description Fault
68. he lever can be folded forward The display will then show the program package level in place of the driving mode This is found just to the right of the present gear within the display driving mode in the DID In Limp Home Mode only forward gears 1 3 and 5 are available for vehicles with the premium selector and only first gear for vehicles with the basic selector No matter which selector the vehicle has reverse gear 1 is available also The vehicle must be stationary to shift gears The Limp Home Mode will be deactivated when the ignition is turned off This mode is only meant to get a vehicle to a safe or secure location 12 Group 28 Troubleshooting Engine ECU Fault Tracing The Premium Tech Tool PTT is the preferred tool for performing diagnostic work Contact your local dealer for more information The control units on the information link communicate according to the SAE J1587 standard The standard has been extended with Volvo s own supplement PPID PSID The fault codes set by the control units contain information that is described by the following Troubleshooting abbreviations MID Message Identification Description SID Subsystem Identification Description Identification of a control unit Identification of a component PID Parameter Identification Description PSID Proprietary Subsystem Identification Identification of a parameter
69. icator lamp Faulty Relative Humidity Sensor Humidity Sensor illuminated e Open in the ground circuit of the Relative Humidity Sensor FMI 5 Faulty Relative Humidity Sensor harness Faulty Relative Humidity Sensor 30 Group 28 Troubleshooting MID 128 PID 411 EGR Exhaust Back Pressure Current below normal or open circuit e Open inthe 5 volt supply line e Short to ground in metering line e Open in the metering line e Engine responds poorly e Engine derate Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 Data erratic e EGR differential e Uneven running e Faulty EGR Differential Pressure intermittent or pressure sensor e Engine derate Sensor connector incorrect output is too high e Faulty EGR Differential Pressure or too low Sensor harness e Faulty EGR Differential Pressure Sensor e EGR leakage e Clogged EGR cooler 9 Clogged EGR venturi FMI 3 Voltage above 9 Short to battery e Engine responds e Faulty EGR Differential Pressure normal or shorted in metering line poorly Sensor connector to high source e Open in the e Engine derate e Faulty EGR Differential Pressure ground circuit Sensor harness e Faulty EGR Differential Pressure Sensor FMI 5 e Faulty EGR Differential Pressure Sensor connector e Faulty EGR Differential Pressure Sensor harness e Faulty EGR Differential Pressure Sensor 31 Group 28 MID 128 PID
70. igent e EGR Valve stuck e Engine derate e Faulty EGR Valve Device or open Component 51 Group 28 MID 128 SID 211 5 Volt DC Supply Troubleshooting e Poor driveability Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e N A e Strange e 5 volt reference circuit shorted to normal or shorted information positive To high source displayed on e Faulty harness or connector cluster e Faulty sensor power supply e Poor driveability e MID 126 PID s 94 100 and 153 may also be set FMI 4 fon e Voltage Below e N A e Strange e 5 volt reference circuit shorted to Normal or Shorted information ground To Low Source displayed on e Faulty harness or connector cluster e Faulty sensor power supply e MID 128 PID s 94 100 and 153 may also be set MID 128 SID 230 Idle Validation Switch 1 Circuit ground or open for pedal position Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e IVS signal e No IVS limp e Faulty connector normal or shorted shorted to home function e Faulty VECU to high source voltage for pedal position e Short to voltage in signal circuit harness FMI 5 e Current Below e IVS signal e No IVS limp e Faulty connector Normal or Open shorted to home function e Faulty VECU e Short to ground or open in signal circuit har
71. ine derate e Faulty Intake Manifold Temperature above normal Manifold e Malfunction Sensor or Engine Management operational range Temperature indicator lamp System EMS Module connector Sensor is illuminated e Temperature Sensor harness indicating an e Malfunction Intake Manifold unphysical value Temperature Sensor FMI 1 e Data valid but e The Boost e Minor engine e Faulty Intake Manifold Temperature below normal Temperature derate Sensor or Engine Management operational range Sensor is e Malfunction System EMS Module connector indicating an indicator lamp e Break in the Intake Manifold unphysical value illuminated Temperature Sensor harness e Malfunction Intake Manifold Temperature Sensor FMI 2 e Data erratic e The Intake e Engine derate e Faulty Intake Manifold Temperature intermittent or Manifold e Malfunction Sensor or Engine Management incorrect Temperature indicator lamp System EMS Module connector Sensor output is illuminated e Break in the Intake Manifold too high or too Temperature Sensor harness low e Malfunction Intake Manifold Temperature Sensor FMI 4 Ma Fo e Voltage below e NA e Difficult to start e Short circuit normal or shorted in cold climates e Intermittent fault in the Intake low e Engine derate Manifold Temperature Sensor e Malfunction harness indicator lamp e Faulty Intake Manifold Temperature illuminated Sensor connector e Intake Manifold Temperature Sensor failure FMI 5 7 er 9 Current b
72. ing Sensor mounting 47 Group 28 MID 128 SID 22 Engine Speed Sensor Troubleshooting Engine Speed Sensor e Open in the Engine Speed Sensor timing e Increased fuel consumption e Uneven cylinder balancing e Power loss 9 Smoke Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic e Intermittent or e Increased fuel e Faulty connector intermittent or weak signal consumption e Faulty Engine Speed Sensor incorrect e Imprecise engine harness timing e Faulty Engine Speed Sensor e Increased fuel e Improper air gap consumption e Uneven cylinder balancing e Power loss 9 Smoke FMI 3 e Voltage above e Missing Signal e Increased e Faulty Engine Speed Sensor normal or shorted from Engine engine start time harness to high source Speed Sensor e Vehicle may bein e Faulty Crank Sensor mounting e Open in the limp home mode Engine Speed e Loss of engine Sensor Circuit power e Short to battery in the Engine Speed Sensor Circuit e Short to ground in the Engine Position Timing Sensor Circuit FMI 8 e Abnormal e Erratic or e Increased fuel e Faulty Engine Speed Sensor frequency pulse intermittent consumption harness width or period signal from e Imprecise engine e Faulty Engine Speed Sensor mounting 48 Group 28 Troubleshooting MID 128 SID 27 Variable Geometry Turbocharger Type of FMI Description
73. issing Cruise Control signal from VECU e Cruise Control does not work e No clutch info to EMS J1939 Group 28 MID 128 PID 91 Accelerator Pedal Position Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 a l e Abnormal update e Missing signal e N A e J1708 pedal information not rate from VECU available MID 128 PID 94 Fuel Delivery Pressure Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 1 e Pressure critically e EMS module e Rough idle e A clogged fuel filter low detects a low fuel e Uneven running e Fuel leaking from a fuel line or fitting pressure reading e Engine derate e Poor fuel pump pressure e Low fuel level FMI 3 e Voltage high open e Low Fuel e Engine derate e Damaged contacts in harness Pressure FP e Malfunction e Faulty Fuel Pressure FP sensor Sensor signal indicator lamp 9 Open circuit line voltage illuminated FMI 5 e Current low open e Low Fuel e Engine derate e Damaged contacts in harness Pressure FP e Malfunction e Faulty Fuel Pressure FP sensor Sensor signal indicator lamp line voltage illuminated FMI 7 9 Current low open e Drop in fuel pressure Engine derate e Malfunction indicator lamp illuminated e Clogged fuel filter e Leaking fuel line or fitting e Poor fuel pump response 18
74. ition Sensor is located on the side of the clutch cylinder assembly inside bell housing Main Shaft Speed Sensor s The speed sensors are located on the control housing and measure the speed of the main shaft and the speed of the countershaft The main shaft speed sensor is a electronic sensor with a hall element Using a hall element makes it possible to measure the rotation speed and rotation direction of the shaft The countershaft speed sensor is an inductive sensor Knowing the speed of the countershaft makes it possible to calculate the precise speed of every gear in the transmission The speed sensor s are located in the transmission on the lower portion of the control housing Output Shaft Speed Sensor The Output Shaft Speed Sensor is located on the side of the rear transmission housing Range Cylinder Position Sensor There are four position sensors in the transmission control housing These sensors measure the position of the specific air cylinder within the control housing The sensors are inductive and the inductive characteristics change depending on the position of the metal pin that follows the movements of the air cylinders The Range Cylinder Position Sensor is located in the transmission on the lower portion of the control housing Split Cylinder Position Sensor The Split Cylinder Position Sensor is located in the transmission on the lower portion of the control housing 1st Reverse Cylinder Position Sensor
75. lutch performance e Slow clutch performance e Slow gear changes FMI 6 l e Current above e The high side e Yellow lamp is e N A normal or drive is short sent grounded circuit circuit to ground e Erratic clutch performance e Slow clutch performance e Slow gear changes 78 Group 28 MID 130 PSID 4 PWM Valve Slow Disconnection Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e N A normal or shorted drive is short sent high circuit to U BATT and e Erratic clutch performance e Thereis no active fault code for Uneven shifting short circuit to at start and at U BATT on VAS Slow speed FMI 5 e Current below e The high side e Yellow lamp is e NA normal or open drive is open sent circuit circuit l e Erratic clutch performance e Slow clutch performance FMI 6 s e Current above e The high side e Yellow lamp is e NA normal or grounded circuit drive is short circuit to ground sent e Erratic clutch performance e Slow clutch performance 79 Group 28 MID 130 PSID 5 Ground Quick PWM Valves Troubleshooting normal or grounded circuit drive is short circuit to ground and e Thereis no active fault code for short circuit to ground on VAFE or VAFD sent e Erratic clutch performance e Slow clutch perf
76. ncrease not correct compared to IVS 1 amp IVS 2 FMI 6 l e Current above e Abnormally high Engine will not e Faulty APP sensor normal or current supply requested grounded circuit e Input is fuel increase not correct compared to IVS 1 amp IVS 2 FMI 14 e Faulty APP sensor harness 112 Group 28 Troubleshooting MID 144 PPID 61 Engine Brake Switch Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 7 e Mechanical system SET and SET e Engine retarder e Engine retarder switch harness not responding or signal received brake will not e Engine retarder switch out of adjustment at the same time activate MID 144 PPID 69 Buffered Idle Validation Switch Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e Abnormally high e N A e Signal shorted high normal or shorted voltage or short to high source to higher voltage FMI 4 e Voltage below e Abnormally low e N A e Signal shorted low normal or shorted voltage or short to low source to ground MID 144 PPID 70 Pedal Switches Supply Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 4 e Voltage below e N A e N A e Faulty connector normal or shorted e Faulty harness to low source e Supply voltage shorted low 113 Group 28 Troubleshooting MID
77. ness 52 Group 28 Troubleshooting MID 128 SID 232 5 Volt DC Supply to Sensor Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 m e Voltage above e N A e Strange e Poor driveability normal or shorted information e Faulty harness or connector to high source displayed on e Faulty sensor power supply cluster e MID 128 PID s 26 102 and 411 may e Poor driveability also be set FMI 4 os e Voltage below e N A e Strange e 5 volt reference circuit shorted to normal or shorted information ground to low source displayed on e Faulty harness or connector cluster e Faulty sensor power supply e Poor driveability e MID 126 PID s 26 102 and 411 may also be set 53 Group 28 Troubleshooting Transmission Control Unit Fault Tracing The Premium Tech Tool PTT is the preferred tool for performing diagnostic work Contact your local dealer for more information The control units on the information link communicate according to the SAE J1587 standard The standard has been extended with Volvo s own supplement PPID PSID The fault codes set by the control units contain information that is described by the following abbreviations MID Message Identification Description SID Subsystem Identification Description Identification of a control unit Identification of a component PID Parameter Id
78. noid Valve Gear Selector Cylinder 1 Outer page 83 MID 130 PSID 14 Solenoid Valve Gear Selector Cylinder 2 Inner page 84 MID 130 PSID 15 Solenoid Valve Gear Selector Cylinder 2 Outer page 85 MID 130 PSID 20 Solenoid Valve Power Take off 1 page 86 MID 130 PSID 21 Solenoid Valve Power Take off 2 page 87 MID 130 PSID 22 Solenoid Valve Brake Counter Shaft page 88 MID 130 PSID 23 Split Engagement System page 89 MID 130 PSID 24 Range Engagement System page 91 MID 130 PSID 25 Gears 1 R Engagement System page 92 MID 130 PSID 26 Gears 2 3 Engagement System page 94 MID 130 PSID 27 Clutch System page 96 MID 130 PSID 28 Transmission Brake page 98 MID 130 PSID 200 Communication Interference Data Link Engine Control Unit page 98 MID 130 PSID 201 Communication Interference Data Link Vehicle Control Unit page 99 MID 130 PSID 204 Communication Interference Data Link Brake Control Unit page 100 MID 130 PSID 207 Communication Interference Data Link Gear Selector Control Unit page 100 MID 130 PSID 210 J1939 Data Link Interruption Lighting ECU page 101 MID 130 PSID 211 J1939 Data Link Interruption Adaptive Cruise Control ECU page 101 MID 130 PSID 232 Powertrain CAN page 102 MID 130 PSID 254 DIEE Signal page 102 SID MID 130 SID 35 Solenoid Valve High Range page 103 MID 130 SID 36 Solenoid Valve Low Range page
79. o U BATT Yellow lamp is sent shorted to high source FMI 5 e Current e Status from e Yellow lampis sent e N A below ASIC is open normal or circuit e Slow gear changes open circuit FMI 6 e Current e Status from e Yellow lampis sent e N A above ASIC is short normal or circuit to ground Slow gear changes grounded circuit FMI 13 A ee 9 Calibration e The checksum e Yellow lampis sent e N A value out of range in NVRAM is not correct or the sensor has not been calibrated e Cranking is inhibited e Engine cannot start 58 Group 28 MID 130 PID 33 Clutch Cylinder Position Troubleshooting Type of FMI Fault Condition Possible Symptoms Possible Cause fault Description FMI 2 e Data erratic e The difference e Yellow lampis sent e N A intermittent between clutch or incorrect positions e Slow clutch indicated by performance the sensor signal Rough shifting at eer start and at slow l speed sensor signal SEPoCINV e Slow gear changes is to large and both signals are within normal range FMI 3 l e Voltage 9 Sensor signalis e Yellow lampis sent e N A above short circuit to normal or UBATT or sensor Slow clutch shorted to supply when at performance high source least one of A e Rough shifting at palsies start and at slow speed range e Slow gear changes FMI 5 wien 9 Current 9 Open circuit e Yellow lampis sent e N A below on any of the normal or
80. or circuit circuit e Idle run e An open in the Engine Coolant regulation is Temperature ECT Sensor deteriorated e Intermittent fault in the Engine e Malfunction Coolant Temperature ECT Sensor indicator lamp e Faulty Engine Coolant Temperature illuminated ECT Sensor connector e Faulty Engine Coolant Temperature ECT Sensor FMI 10 e Abnormal rate of e The Engine e May affect e Faulty Engine Coolant Temperature change Coolant vehicle ECT Sensor harness Temperature driveability e Engine Coolant Temperature ECT ECT Sensor output is showing a constant value Sensor failure 25 Group 28 MID 128 PID 111 Coolant Level Troubleshooting Type of fault FMI Description Fault Condition Possible Symptoms Possible Cause FMI 1 Data valid but below normal operational range e Moderately below range e Critically below range e Short Circuit Measuring line e Engine derate Coolant level below range Faulty harness Engine shutdown FMI 3 Voltage above normal or shorted to high source 9 Short Circuit Measuring line Coolant level can not be detected Faulty harness FMI 4 Voltage below normal or shorted low e Short Circuit Measuring line Coolant level can not be detected Faulty harness FMI 5 Current below normal or open circuit e Open Circuit Coolant level can not be detected Faulty harness
81. or right side of the engine EGR Temperature Sensor The EGR temperature sensor detects exhaust gas temperature for EGR system The sensor modifies a voltage signal from the control unit The modified signal returns to the control unit as the exhaust temperature of the EGR system to confirm EGR operation The sensor uses a thermistor that is sensitive to the change in temperature The EGR Temperature Sensor is located near the EGR valve Engine Coolant Level ECL Sensor The Engine Coolant Level ECL Sensor is a switch If engine coolant level falls below a calibrated point the contacts open and the driver will be notified of the low coolant level The Engine Coolant Level ECL Sensor is located in the cooling system reservoir tank Design and Function Group 28 Engine Coolant Temperature ECT Sensor The Engine Coolant Temperature Sensor is located at the front of the engine The sensor will indicate a high coolant temperature caused by problems like radiator blockage thermostat failure heavy load or high ambient temperatures This sensor is also used for cold start enhancement and for fan clutch engagement Engine Oil Pressure EOP Sensor The Engine Oil Pressure Sensor contains a pressure sensitive diaphragm and a electrical amplifier Mechanical pressure applied to the diaphragm causes the diaphragm to deflect and the amplifier to produce an electrical signal proportional to the deflection The Engine Oil Pressure
82. or shorted low e The sensor signal is below normal range e Yellow lamp is sent e Slow gear changes e Transmission brake up shifts cannot be used e Engagement point not functioning properly e Starting gear can only be engaged when the vehicle is stationary or when the vehicle speed is high enough to synchronize the transmission with the engine e N A FMI 5 e Current below normal or open circuit e The sensor signal is above normal range e Yellow lamp is sent e Slow gear changes e Transmission brake up shifts cannot be used e Engagement point not functioning properly e Starting gear can only be engaged when the vehicle is stationary or when the vehicle speed is high enough to synchronize the transmission with the engine e N A 69 Group 28 MID 130 PID 177 Oil Temperature Transmission Note FMI 0 has three levels of severity low medium and high All times are reset when the key is switched off Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 Low e Data valid but e The sensor e Yellow lamp is e NA above normal signal is in sent operational range normal range e Symbol for high e Temperature is transmission oil above 100 C temperature is lit 212 F during 18000 s FMI 0 Medium Data valid but e The sensor e Yellow lamp is e N A above
83. ormance e Slow gear changes Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The low side e Yellow lamp is e N A normal or shorted drive is short sent high circuit to U BATT e Erratic clutch performance e Slow clutch performance e Slow gear changes FMI 6 e Current above e The low side e Yellow lamp is e N A 80 Group 28 MID 130 PSID 6 Ground Slow PWM Valves Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The low side e Yellow lamp is e NA normal or shorted drive is short sent high circuit to U BATT e Erratic clutch performance e Uneven shifting at start and at slow speed FMI 6 9 Current above e The low side e Yellow lamp is e NA normal or grounded circuit drive is short circuit to ground and e Thereis no active fault code for short circuit to ground on VASE or VASD sent e Erratic clutch performance e Uneven shifting at start and at slow speed 81 Group 28 Troubleshooting MID 130 PSID 12 Solenoid Valve Gear Selector Cylinder 1 Inner Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e N A normal or shorted drive is short sent high circuit to U BATT e The valve is activated e Incorrect gear selection FMI 5
84. oup 28 MID 130 PSID 2 PWM Valve Slow Engagement Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e NA normal or shorted drive is short sent high circuit to U BATT and e Erratic clutch performance e Thereis no active fault code for e Uneven shifting short circuit to at start and at U BATT on VAS slow speed FMI 5 l e Current below e The high side e Yellow lamp is e NA normal or open drive is open sent circuit circuit l e Erratic clutch performance e Uneven shifting at start and at slow speed FMI 6 l e Current above e The high side e Yellow lamp is e NA normal or grounded circuit drive is short circuit to ground sent e Erratic clutch performance e Uneven shifting at start and at slow speed 77 Group 28 Troubleshooting MID 130 PSID 3 PWM Valve Quick Disconnection Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e N A normal or shorted drive is short sent high circuit to U BATT and e Erratic clutch performance e Thereis no active fault code for e Slow clutch short circuit to performance U BATT on VAF Slow gear changes FMI 5 e Current below e The high side e Yellow lamp is e N A normal or open drive is open sent circuit circuit l e Erratic c
85. pe of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 2 e Data erratic e Fault in main e Yellow lamp is e The control unit is not programmed intermittent or software sent incorrect e Use of default values of parameters MID 223 SID 254 Hardware Fault Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 12 e Faulty device or e Internal fault in e Yellow lamp is e Gear selector control unit GSECU component control unit sent e 15 not possible to drive the vehicle 126 127 VOLVO Volvo Trucks North America Inc P O Box 26115 Greensboro NC 27402 6115 Volvo Trucks Canada Ltd 5600A Cancross Court Mississauga Ontario L5R 3E9 http Awww volvotrucks volvo com PV776 20180137 6 2007 Volvo Trucks North America a division of Volvo Group North America Inc 2007
86. perator will be advised that a fault has occurred by illumination a malfunction indicator lamp and a message in the driver information display if equipped The module may initiate the engine shutdown procedure if the system determines that the fault could damage the engine In some situations when a fault is detected the system will enter the limp home mode The limp home mode allows continued vehicle operation but the system may substitute a sensor or signal value that may result in poor performance In some instances the system will continue to function but engine power may be limited to protect the engine and vehicle Fault codes logged in the system memory can later be read to aid in diagnosing the faults with a diagnostic computer or through the instrument cluster display if equipped When diagnosing an intermittent code or condition it may be necessary to use a diagnostic computer connected to the Serial Communication Port Additional data and diagnostic tests are available when a diagnostic computer is connected to the Serial Communication Port For diagnostic software contact your local dealer The Vehicle Electronic Control Unit VECU is mounted on a panel below the top dash access panel in the center of the dash on conventional models The VECU is a microprocessor based controller programmed to perform several functions these include Driver controls Vehicle and engine speed controls Starter control Cab power
87. se fault Symptoms FMI 14 e NA MID 130 PID 158 Control Unit Battery Voltage below operational range Voltage is below 9 V and the engine has been running for 5 5 sent e Reduced transmission performance Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but e 12 Volt System e Yellow lamp is e N A above normal Voltage is above sent operational range 19V FMI 1 e Data valid but e 12 Volt System e Yellow lamp is e N A 62 Group 28 MID 130 PID 160 Main Shaft Rotation Speed Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 1 e Data valid but below operational range e The sensor signal is within normal range and e The main shaft speed differs from both the value of the countershaft speed and the vehicle speed received from the VECU The following conditions must be fulfilled for a time of 2 0 s in order to activate e A gear not neutral is engaged in the transmission e The value of the input shaft speed calculated from the main shaft speed sensor SESM is more than 300 rpm e The value of the input shaft speed calculated from the counter shaft speed sensor SESC is more than 300 rpm e Yellow lamp is sent e Slow gear changes e Rough gear changes e N A 63 Group 28
88. ses The Ambient Air Temperature Sensor is located in the front of the vehicle Ambient Atmospheric Pressure Sensor The Ambient Atmospheric Pressure Sensor contains a pressure sensitive diaphragm and an electrical amplifier Mechanical pressure applied to the diaphragm causes the diaphragm to deflect and the amplifier to produce an electrical signal proportional to the deflection The Ambient Atmospheric Pressure Sensor is built into the Engine Management System EMS Module Camshaft Position Sensor The Camshaft Position Engine Position Sensor is located in the rear face of the timing gear cover at the rear of the engine near the bottom of the valve cover It uses magnetic induction to generate a pulsed electrical signal It senses the passage of seven 7 timing bumps on the edge of the camshaft dampener Six of the holes correspond to the phasing of the electronic unit injectors while the seventh hole indicates the top dead center position Cooling Fan Speed CFS Sensor On engines with an electronically controlled viscous fan drive the electronic fan drive contains a Hall effect speed sensor When the engine is running a series of vanes in the fan drive housing rotates past a magnet in the fan drive solenoid generating a pulsed voltage signal The Engine Management System EMS Module monitors the status if the air conditioning system and signals from the Engine Coolant Temperature ECT Sensor the Engine Oil Tempera
89. sible Symptoms Possible Cause FMI 3 e Voltage above normal or shorted high e The high side drive is short circuit to U BATT e Red lamp is sent e The valve and the brake are activated e The transmission will be damaged if the vehicle drives e The propshaft has to be removed to move the vehicle e N A FMI 5 e Current below normal or open circuit e The high side drive is open circuit e Yellow lamp is sent e The valve cannot be activated e Slow gear changes e N A FMI 6 e Current above normal or grounded circuit e The high side drive is short circuit to ground e Yellow lamp is sent e The valve cannot be activated e Slow gear changes e N A 88 Group 28 MID 130 PSID 23 Split Engagement System Troubleshooting e Eco roll not available Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 pa l e Unintentional e Low split jumps e Yellow lamp is e NA disengagement out sent of indirect split ine e The split cylinder e Loss of torque valves are inactive FMI 1 ae e Unintentional e High split jumps e Yellow lamp is e NA disengagement out sent of direct split ae e The split cylinder e Loss of torque valves are inactive FMI 2 ot e Unintentional e The split cylinder e Yellow lamp is e N A disengagement position leaves sent of neutral split the neutral posi
90. sor failure operational indicator lamp range most severe illuminated level FMI 2 e Data erratic e Sensor is not e Malfunction e Particulate Trap Pressure PTP intermittent or rational indicator lamp Sensor failure incorrect illuminated FMI 3 e Voltage above e Short to battery e Malfunction e Particulate Trap Pressure PTP normal or shorted on the metering indicator lamp Sensor failure high side illuminated e Faulty Particulate Trap Pressure 9 Open in the PTP Sensor connector ground line e Faulty harness FMI 5 e Current below e Open in 5 volt e Malfunction e Particulate Trap Pressure PTP normal or open supply line indicator lamp Sensor failure e Short to ground illuminated e Faulty harness in metering line 9 Open in metering line FMI 12 e Bad intelligent device or component Particulate Trap Pressure PTP Sensor signal high or low but still within range e Engine derate e Diesel Particulate Filter DPF is damaged filled with soot or missing MID 128 PID 84 Vehicle Speed Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e Abnormal update rate e Missing signal from VECU e Engine derate e J1708 vehicle speed message does not exist VECU error MID 128 PID 85 Cruise Control Status Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e Abnormal update rate e M
91. ssing on J1939 from the following control unit Engine Control Unit EECU e Yellow lamp is sent 9 Downhill help disabled Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e N A MID 223 PSID 201 Communication Interference Data Link Vehicle Control Unit e Abnormal update rate e Message missing on J1939 from the following control unit Vehicle Control Unit VECU Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e Yellow lamp is sent e Temporary manual mode disabled e Downhill help disabled e Return to drive disabled e N A 122 Group 28 Troubleshooting MID 223 PSID 205 Communication Interference Data Link Transmission Control Unit e Abnormal update rate e Message missing on J1939 from the following control unit Transmission Control Unit TECU e Yellow lamp is sent e No memorization during 1 5 sec of direction change requests when vehicle is moving e Temporary manual mode disabled Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e N A MID 223 PSID 214 No Data From BBM e Abnormal update rate e Message missing on J1939 from the following control unit Bodybuilder e Yellow lamp is sent Type of FMI Description Fault Condition Possibl
92. ssure BAP Sensor Camshaft Position Engine Position Sensor Cooling Fan Speed CFS Sensor Crankshaft Position Engine Speed Sensor Differential Pressure DPF Sensor EGR Differential Pressure Sensor EGR Temperature Sensor Design and Function Engine Coolant Level ECL Sensor Engine Coolant Temperature ECT Sensor Engine Oil Pressure EOP Sensor Engine Oil Level EOL Sensor Engine Oil Temperature EOT Sensor Exhaust Temperature Sensor DPF Sensors Fuel Pressure Sensor Intake Air Temperature And Humidity IATH Sensor Intake Manifold Boost Temperature Sensor Throttle Position TP Sensor Turbo Speed Sensor Variable Geometry Turbocharger VGT Position Sensor The Vehicle Electronic Control Unit VECU and Engine Management System EMS Module are dependent on each other to perform their specific control functions In addition to switch and sensor data the broadcast of data between modules also includes various calculations and conclusions each module has developed based on the input information it has received Group 28 Sensors Ambient Air Temperature Sensor The Ambient Air Temperature Sensor is used to detect the outside air temperature The sensor modifies a voltage signal from the ECM The modified signal returns to the ECM as the ambient air temperature The sensor uses a thermistor that is sensitive to the change in temperature The electrical resistance of the thermistor decreases as temperature increa
93. ster Module does not exist e Malfunction indicator lamp illuminated Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 9 e Faulty Ambient Air Temperature Sensor harness MID 128 PID 173 Exhaust Temperature e Abnormal rate of change e Sensor is stuck e Poor driveability Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Data valid but e Exhaust Gas e Engine derate e Faulty Exhaust Gas Temperature above normal Temperature is e Poor driveability EGT system operational range too high e Faulty harness or connector most severe level FMI 2 3 e Data erratic e Sensor is not e Poor driveability e Harness connected to incorrect intermittent or rational sensor incorrect e Sensor failure FMI 4 Pa e Voltage below e Shortto ground e Poor driveability e Sensor failure normal or shorted on the metering e Faulty harness low side of the circuit FMI 5 i a e Current below e Short to battery e Poor driveability e Faulty harness normal or open on the metering e Sensor failure circuit side of the circuit e Open in the metering side of the circuit e Open in the ground side of the circuit FMI 10 e Sensor failure 28 Group 28 MID 128 PID 175 Engine Oil Temperature Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms
94. t Fault Tracing PID MID 130 PID 31 Range Cylinder Position page 57 MID 130 PID 32 Split Cylinder Position page 58 MID 130 PID 33 Clutch Cylinder Position page 59 MID 130 PID 36 Clutch Wear Status page 61 MID 130 PID 37 Air Pressure Transmission page 61 MID 130 PID 65 Brake Switch page 62 MID 130 PID 158 Control Unit Battery Voltage page 62 MID 130 PID 160 Main Shaft Rotation Speed page 63 MID 130 PID 161 Input Shaft Rotation Speed page 67 MID 130 PID 177 Oil Temperature Transmission page 70 PPID MID 130 PPID 10 Gear Selector Cylinder 1 Position page 71 MID 130 PPID 11 Gear Selector Cylinder 2 Position page 72 MID 130 PPID 50 Clutch Pre load page 73 MID 130 PPID 51 Clutch Disc Pull Position page 74 MID 130 PPID 54 ECU 5V Output page 74 MID 130 PPID 55 ECU Temperature page 75 MID 130 PPID 140 Inclination Angle page 75 Troubleshooting 55 Group 28 Troubleshooting PSID MID 130 PSID 1 PWM Valve Quick Engagement page 76 MID 130 PSID 2 PWM Valve Slow Engagement page 77 MID 130 PSID 3 PWM Valve Quick Disconnection page 78 MID 130 PSID 4 PWM Valve Slow Disconnection page 79 MID 130 PSID 5 Ground Quick PWM Valves page 80 MID 130 PSID 6 Ground Slow PWM Valves page 81 MID 130 PSID 12 Solenoid Valve Gear Selector Cylinder 1 Inner page 82 MID 130 PSID 13 Sole
95. t or open circuit 6 Electrical fault Abnormally high current or short circuit to ground 7 Mechanical fault Incorrect response from a mechanical system 8 Mechanical or electrical fault Abnormal frequency 9 Communication fault Abnormal update rate 10 Mechanical or electrical fault Abnormally strong vibrations 11 Unknown fault Non identifiable fault 12 Component fault Faulty unit or component 13 Incorrect calibration Calibration values outside limits 14 Unknown fault Special instructions 15 Unknown fault Reserved for future use Note When performing diagnostic test on intermittent faults gently wiggle the wires and connectors to help find the intermittent faults 109 Group 28 Troubleshooting MID 144 Control Unit Fault Codes PID MID 144 PID 84 Vehicle Speed page 111 MID 144 PID 91 Accelerator Pedal Position Percentage page 112 PPID MID 144 PPID 61 Engine Brake Switch page 113 MID 144 PPID 69 Buffered Idle Validation Switch page 113 MID 144 PPID 70 Pedal Switches Supply page 113 MID 144 PPID 71 Cruise Control and Engine Brake Switch Supply page 114 MID 144 PPID 72 Accelerator Pedal and Engine Brake Sensors Supply page 114 MID 144 PPID 73 Second Accelerator Pedal Supply Sensors page 115 MID 144 PPID 265 Vehicle Speed Sensor Supply page 115 PSID MID 144 PSID 2 Idle Validation Switch 2 page 116 SID MID 144 SID 230 Idle Validation Switch 1 pag
96. tion e The split cylinder valves are inactive FMI 7 e Blocked e The neutral split e Yellow lamp is e N A engagement of gear cannot sent neutral split engage 89 Group 28 Troubleshooting e Loss of torque e Incorrect gear selection e Slow gear changes Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 11 or e Blocked e The indirect split e Yellow lamp is e NA engagement of gear can not sent indirect split engage e Loss of torque e Incorrect gear selection e Slow gear changes FMI 12 e Blocked e The direct split e Yellow lamp is e NA engagement of gear can not sent direct split engage 90 Group 28 MID 130 PSID 24 Range Engagement System Troubleshooting Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 e Unintentional e The range e Yellow lamp is e NA disengagement cylinder leaves sent of low range the low range position e Loss of torque e The range cylinder valves are inactive FMI 1 e Unintentional e The range e Yellow lamp is e N A disengagement cylinder leaves sent of high range the high range position e Loss of torque e The range cylinder valves are inactive FMI 11 i e Blocked e The low range e Yellow lamp is e N A engagement of gear can not sent low range engage e Loss of torque e Incorrect gear selection FMI 12 e Blocked e The high range e Yellow
97. ture EOT Sensor and the Engine Speed Timing RPM TDC Sensor and calculates the optimal cooling fan speed The Cooling Fan Speed Sensor is located in the fan drive on the front of the engine Design and Function Group 28 Crankshaft Position Engine Speed Sensor The Crankshaft Position Engine Speed Sensor uses magnetic induction to generate a pulsed electrical signal Notches are machined into the edge of the flywheel When one of the notches passes close to the sensor electric pulses result The Crankshaft Position Engine Speed Sensor also indicates when the crankshaft is at the top dead center position Differential Pressure DP Sensor The differential pressure sensor is used for flow measurement of the Diesel Particulate Filter DPF This sensor has two pressure ports and senses the difference in pressure between the two ports Measurement of the pressure before and after the DPF is used to calculate diesel filter regeneration The Differential Pressure DPF Sensor is located on the side of the Diesel Particulate Filter DPF EGR Differential Pressure Sensor The EGR differential pressure sensor is used for flow measurement of the Exhaust Gas Recirculation EGR valve This sensor has two pressure ports and senses the difference in pressure between the two ports Measurement of the pressure before and after the EGR valve is used to calculate EGR flow The EGR Differential Pressure Sensor is located on the left
98. uit to U BATT e The valve is activated e Incorrect gear selection FMI 5 e Current below e The high side e Yellow lamp is e NA normal or open drive is open sent circuit circuit e The valve cannot be activated e Incorrect gear selection FMI 6 9 Current above e The high side e Yellow lamp is e NA normal or drive is short sent grounded circuit circuit to ground e The valve cannot be activated e Incorrect gear selection 84 Group 28 Troubleshooting MID 130 PSID 15 Solenoid Valve Gear Selector Cylinder 2 Outer Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e Yellow lamp is e NA normal or shorted drive is short sent high circuit to U BATT e The valve cannot be activated e Incorrect gear selection FMI 5 e Current below e The high side e Yellow lamp is e N A normal or open drive is open sent circuit circuit e The valve cannot be activated e Incorrect gear selection FMI 6 e Current above e The high side e Yellow lamp is e N A normal or grounded circuit drive is short circuit to ground sent e The valve cannot be activated e Incorrect gear selection 85 Group 28 Troubleshooting MID 130 PSID 20 Solenoid Valve Power Take off 1 Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 3 e Voltage above e The high side e
99. ulate Filter DPF operational range catalyst FMI 8 Abnormal e Regeneration e NA e NA frequency pulse period too long width or period FMI 12 Bad Intelligent e Regeneration e N A 9 Clogged After Treatment Injector e Diesel Particulate Filter DPF catalyst damaged e Diesel Particulate Filter DPF catalyst clogged MID 128 PSID 98 Boost Air System Data valid but below normal operational range most severe level Boost pressure is too low e Engine derate e Engine slow to respond Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 0 l Data valid but e Boost pressure e Turbocharger e EGR system failure above normal is too high surge e Faulty turbocharger actuator operational range most severe level FMI 1 e Faulty Boost Air System hoses pipes brackets cooler EGR system components and turbo components 42 Group 28 Troubleshooting MID 128 PSID 108 Aftertreatment Injection System Type of FMI Description Fault Condition Possible Possible Cause fault Symptoms FMI 7 e Mechanical system not responding or out of adjustment e Mechanical problem e Regeneration not possible e Engine derate e Engine shut down e Faulty After Treatment Injection ATI system 43 Group 28 MID 128 PSID 109 Engine Coolant Temperature Sensor Troubleshooting Type of fault FMI Description
100. ulty Boost Air Pressure connector unphysical value illuminated Intake Manifold Pressure Sensor failure FMI 2 Data erratic e Intake Manifold e Engine derate e Intermittent fault in the Intake intermittent or Pressure Sensor Malfunction Manifold Pressure Sensor harness incorrect output is too high indicator lamp Faulty Boost Air Pressure connector or too low illuminated Intake Manifold Pressure Sensor failure FMI 3 Voltage above e A short to battery Engine derate e Intermittent fault in the Intake normal or shorted in the metering e Malfunction Manifold Pressure Sensor harness to high source circuit indicator lamp Faulty Boost Air Pressure connector e An open in illuminated Intake Manifold Pressure Sensor the ground failure circuit of the Intake Manifold Pressure Sensor FMI 5 Current below 9 A short to ground Engine derate e Intermittent fault in the Intake normal or open in the harness Malfunction Manifold Pressure Sensor harness circuit e An open in the 5 indicator lamp Faulty Boost Air Pressure connector volt supply circuit illuminated e Intake Manifold Pressure Sensor e An open in the failure metering circuit FMI 11 Root cause not known Data Incorrect e Intake Manifold Pressure Sensor output is too high or low Engine derate Malfunction indicator lamp illuminated e Faulty Intake Manifold Pressure Sensor harness Inlet air leakage Intake Manifold Pressure Sensor failure 21 Group 28 MID 128
101. value Description Volvo Unique identification of a component PPID Proprietary Parameter Identification Description Volvo FMI Failure Mode Identifier Unique identification of a parameter Identification of fault types value FMI Table FMI Display Text SAE Text 0 Value to high Data valid but above the normal working range 1 Value too low Data valid but below the normal working range 2 Incorrect data Intermittent or incorrect data 3 Electrical fault Abnormally high voltage or short circuit to higher voltage 4 Electrical fault Abnormally low voltage or short circuit to lower voltage 5 Electrical fault Abnormally low current or open circuit 6 Electrical fault Abnormally high current or short circuit to ground 7 Mechanical fault Incorrect response from a mechanical system 8 Mechanical or electrical fault Abnormal frequency 9 Communication fault Abnormal update rate 10 Mechanical or electrical fault Abnormally strong vibrations 11 Unknown fault Non identifiable fault 12 Component fault Faulty unit or component 13 Incorrect calibration Calibration values outside limits 14 Unknown fault Special instructions 15 Unknown fault Reserved for future use Note When performing diagnostic test on intermittent faults gently wiggle the wires and connectors to h the intermittent faults elp find Group 28 Engine ECU Fault Tracing PID MID 128 PID 26 Fan Speed Percent page 16 MID 128 PID 45 Preheater Rela
102. y page 16 MID 128 PID 81 Particulate Filter page 17 MID 128 PID 84 Vehicle Speed page 17 MID 128 PID 85 Cruise Control Status page 17 MID 128 PID 91 Accelerator Pedal Position page 18 MID 128 PID 94 Fuel Delivery Pressure page 18 MID 128 PID 97 Water in Fuel Indicator page 19 MID 128 PID 98 Engine Oil Level page 19 MID 128 PID 100 Engine Oil Pressure page 20 MID 128 PID 102 Intake Manifold Pressure page 21 MID 128 PID 103 Turbo Speed page 22 MID 128 PID 105 Intake Manifold Temperature page 23 MID 128 PID 108 Atmospheric Pressure page 24 MID 128 PID 110 Coolant Temperature page 25 MID 128 PID 111 Coolant Level page 26 MID 128 PID 153 Crankcase Pressure page 27 MID 128 PID 171 Ambient Temperature page 28 MID 128 PID 173 Exhaust Temperature page 28 MID 128 PID 175 Engine Oil Temperature page 29 MID 128 PID 354 Relative Humidity page 30 MID 128 PID 411 EGR Exhaust Back Pressure page 31 MID 128 PID 412 EGR Temperature page 32 PPID MID 128 PPID 35 EGR Mass Flow page 33 MID 128 PPID 89 Variable Geometry Turbocharger Smart Remote Actuator Temperature page 33 MID 128 PPID 122 Engine Compression Brake page 34 MID 128 PPID 270 NOx Sensor page 35 MID 128 PPID 326 Soot Level page 36 MID 128 PPID 272 Air Pressure Compensation page 36 MID 128 PPID 328 Aftertreatment Injection Shuto

MID 128 PID 84 Vehicle Speed

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