MACK DTCs, MRU, LEU Service Manual

ServiceManual
EngineControlModule(ECM),DiagnosticTroubleCode
(DTC),Guide
2010Emissions
Trucks
Group28
MRU,LEU
PV776-88969578
Thedescriptionsandserviceprocedurescontainedinthismanualarebasedondesignsand methodsstudiescarriedoutuptoApril2010.
Theproductsareundercontinuousdevelopment.Vehiclesandcomponentsproducedafterthe abovedatemaythereforehavedifferentspecicationsandrepairmethods.Whenthisisbelieved tohaveasignicantbearingonthismanual,supplementaryservicebulletinswillbeissuedtocover thechanges.
Theneweditionofthismanualwillupdatethechanges.
Inserviceprocedureswherethetitleincorporatesanoperationnumber ,thisisareferencetoa LaborCode(StandardTime).
Serviceprocedureswhichdonotincludeanoperationnumberinthetitleareforgeneralinformation andnoreferenceismadetoaLaborCode(StandardTime).
Eachsectionofthismanualcontainsspecicsafetyinformationandwarningswhichmustbe reviewedbeforeperforminganyprocedure.Ifaprintedcopyofaprocedureismade,besureto alsomakeaprintedcopyofthesafetyinformationandwarningsthatrelatetothatprocedure.The followinglevelsofobservations,cautionsandwarningsareusedinthisServiceDocumentation:
Note:Indicatesaprocedure,practice,orconditionthatmustbefollowedinordertohavethe vehicleorcomponentfunctioninthemannerintended.
Caution:Indicatesanunsafepracticewheredamagetotheproductcouldoccur.
Warning:Indicatesanunsafepracticewherepersonalinjuryorseveredamagetotheproduct
couldoccur.
Danger:Indicatesanunsafepracticewhereseriouspersonalinjuryordeathcouldoccur.
MackTrucks,Inc.
Greensboro,NCUSA
Ordernumber:PV776-88969578
Repl:
©2010MackTrucks,Inc.,Greensboro,NCUSA
Allrightsreserved.Nopartofthispublicationmaybereproduced,storedinretrievalsystem, ortransmittedinanyformsbyanymeans,electronic,mechanical,photocopying,recordingor otherwise,withoutthepriorwrittenpermissionofMackTrucks,Inc.
USA41614
Contents
Troubleshooting..........................................................................................................................3
EngineControlModule(ECM)DiagnosticTroubleCodes(DTCs).....................................................3
1
2
Group28
EngineControlModule(ECM)DiagnosticTrouble
Troubleshooting
EngineControlModule(ECM)DiagnosticTroubleCodes(DTCs)
Themanufacturerscantoolisthepreferredtoolfor performingdiagnosticwork.Contactyourlocaldealerfor moreinformationorvisit“www.premiumtechtool.com”.
Note:Theuseofascantoolisnecessarytoperformdiagnostic workaswellasclearingofanydiagnostictroublecodes (DTCs).DTC(s)cannolongerbeclearedusingthevehicles instrumentclusterdigitaldisplayandstalkswitchcontrol.
SystemOverview
Codes(DTCs)
Sixelectroniccontrolunits(ECUs)areused;theenginecontrol module(ECM),instrumentcontrolmodule(ICM),Vehicle ElectronicControlUnit(VECU),transmissioncontrolmodule (TCM),thegearselectorcontrolmodule(GSCM)andthe aftertreatmentcontrolmodule(ACM).T ogether ,thesemodules operateandcommunicatethroughtheSAEJ1939datalinksto controlavarietyofengineandvehiclecabfunctions.TheECM controlssuchthingsasfueltiminganddelivery,fanoperation, engineprotectionfunctions,enginebrakeoperation,the exhaustgasrecirculation(EGR)valveandtheturbocharger nozzle.TheVECUcontrolscruisecontrolfunctions,accessory relaycontrolsandidleshutdownfunctions.TheICMprimarily displaysoperationalparametersandcommunicatestheseto theotherECUs.Allhavethecapabilitytocommunicateover theSAEJ1587datalinkprimarilyforprogramming,diagnostics anddatareporting.
Inadditiontotheircontrolfunctions,themoduleshaveon boarddiagnostic(OBD)capabilities.TheOBDisdesignedto detectfaultsorabnormalconditionsthatarenotwithinnormal operatingparameters.Whenthesystemdetectsafaultor abnormalcondition,thefaultwillbeloggedinoneorbothof themodules’memory ,thevehicleoperatorwillbeadvisedthat afaulthasoccurredbyilluminationamalfunctionindicator lamp(MIL)andamessageinthedriverinformationdisplay , ifequipped.Themodulemayinitiatetheengineshutdown procedureifthesystemdeterminesthatthefaultcoulddamage theengine.
Theuseofascantoolisnecessarytoperformdiagnosticwork aswellasclearingofanydiagnostictroublecodes(DTCs). DTC(s)cannolongerbeclearedusingthevehiclesinstrument clusterdigitaldisplayandstalkswitchcontrol.Additional dataanddiagnostictestsareavailablewhenascantoolis connectedtotheSerialCommunicationPort.
Fordiagnosticsoftware,contactyourlocaldealer.
TheECMisamicroprocessorbasedcontrollerprogrammed toperformfuelinjectionquantityandtimingcontrol,diagnostic faultlogging,andtobroadcastdatatootherECUs.Thefuel quantityandinjectiontimingtoeachcylinderisprecisely controlledtoobtainoptimalfueleconomyandreducedexhaust emissionsinalldrivingsituations.
TheECMcontrolstheoperationoftheinjectors,enginebrake solenoid,EGRvalve,turbochargernozzleposition,andcooling fanclutchbasedoninputsfrommanysensorsandinformation receivedoverthedatalinksfromotherECUs.
TheVECUandECMaredependentoneachothertoperform theirspeciccontrolfunctions.Inadditiontoswitchandsensor data,thebroadcastofdatabetweenmodulesalsoincludes variouscalculationsandconclusionsthateachmodulehas developed,basedontheinputinformationithasreceived.
Insomesituationswhenafaultisdetected,thesystemwill entera"derate"mode.Thederatemodeallowscontinued vehicleoperationbutthesystemmaysubstituteasensor orsignalvaluethatmayresultinreducedperformance.In someinstances,thesystemwillcontinuetofunctionbut enginepowermaybelimitedtoprotecttheengineandvehicle. Diagnostictroublecodes(DTCs)loggedinthesystemmemory canlaterberead,toaidindiagnosingtheproblemusinga diagnosticcomputerorthroughtheinstrumentclusterdisplay , ifequipped.WhendiagnosinganintermittentDTCorcondition, itmaybenecessarytouseascantoolconnectedtotheSerial CommunicationPort.
3
Group28
SystemElectronicControlUnit(ECU)Overview
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
Theenginecontrolmodule(ECM)monitorsandmodels(using physicalprinciples)engineparameterstomonitortheengine system’sperformanceinrealtime.Thisisperformedtoaidthe ECMwithitsselfdiagnosticcapabilities.Manysensorsare usedforinputtotheemissioncontrolsystem.
Thesystemcontainsthefollowing“emissioncritical”ECUs thataremonitored;
EngineControlModule(ECM)
VehicleElectronicControlUnit(VECU)
AftertreatmentControlModule(ACM)
AftertreatmentNitrogenOxides(NOx)Sensors
EngineV ariableGeometryTurbocharger(VGT)Smart
RemoteActuator(SRA)
MalfunctionIndicatorLamp(MIL),DescriptionandLocation
AMILlocatedintheinstrumentcluster.Thisambercolored lampisusedtoinformthedriverthata“emissioncritical” malfunctionsignalhasoccurred.
TheseECUsallcommunicatewiththeECMviadatalinks.The VECUcommunicatesacrosstheSAEJ1939(CAN1)datalink whiletheothersusetheSAEJ1939-7(CAN2)datalink. TheOBDsystemsuseSAEJ1939datalinkprotocolfor communicationwithscantoolsbut,MACKtrucksstillare capableofcommunicatingviatheSAEJ1587datalinkfor diagnostics.Theuseofascantoolisnecessarytoperform diagnosticworkaswellasclearingofanydiagnostictrouble codes(DTCs).DTC(s)cannolongerbeclearedusingthe vehiclesinstrumentclusterdigitaldisplayandstalkswitch control.
ThereareotherECUssuchastheInstrumentControlModule (ICM),TransmissionControlModule(TCM)andAnti-lock BrakeSystem(ABS)Modulethatprovidedatatotheemission controlsystemorthediagnosticsystembutarenot“emission critical”.
W2036007
SAEJ1939DataLinkCommunication
Theelectroniccontrolunits(ECUs)thatcommunicateonthe SAEJ1939datalink,communicateaccordingtotheSAE J1587standard.Thediagnostictroublecodes(DTCs)setby theECUscontaininformationthatisdescribedbythefollowing abbreviations.
SASourceAddress:
Identicationofacontrolmodule.
SPNSuspectParameterNumber:
Identicationofaparameter(value).
FMIFailureModeIdentier:
Identicationoffaulttypes.
4
Group28
SAEJ1939FMITable
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI
0Datavalidbutabovenormaloperationalrange-Mostseverelevel
1Datavalidbutbelownormaloperationalrange-Mostseverelevel
2Dataerratic,intermittentorincorrect
3Voltageabovenormal,orshortedtohighsource
4Voltagebelownormal,orshortedtolowsource
5
6
7
8
9Abnormalupdaterate
10
11Rootcausenotknown
12Badintelligentdeviceorcomponent
13
14
15Datavalidbutabovenormaloperatingrange-Leastseverelevel
16Datavalidbutabovenormaloperatingrange-Moderatelyseverelevel
17Datavalidbutbelownormaloperatingrange-Leastseverelevel
18Datavalidbutbelownormaloperatingrange-Moderatelyseverelevel
19Receivednetworkdatainerror
20
21
22
23
24
25
26
27
28
SAET ext
Currentbelownormaloropencircuit
Currentabovenormalorgroundedcircuit
Mechanicalsystemnotrespondingoroutofadjustment
Abnormalfrequencyorpulsewidthorperiod
Abnormalrateofchange
Outofcalibration
Specialinstructions
ReservedforSAEassignment
ReservedforSAEassignment
ReservedforSAEassignment
ReservedforSAEassignment
ReservedforSAEassignment
ReservedforSAEassignment
ReservedforSAEassignment
ReservedforSAEassignment
ReservedforSAEassignment
29
30
31
ReservedforSAEassignment
ReservedforSAEassignment
Conditionexists
5
Group28
SAEJ1587DataLinkCommunication
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
Theelectroniccontrolunits(ECUs)alsocommunicateonthe SAEJ1587datalink.TheseECUscommunicateaccordingto theSAEJ1587standard.Thestandardhasbeenextended withMACK’ssupplement(PPID,PSID).Thediagnostictrouble codes(DTCs)setbytheECUscontaininformationthatis describedbythefollowingabbreviations.
MIDMessageIdenticationDescription:
Identicationofacontrolmodule.
PIDParameterIdenticationDescription:
Identicationofaparameter(value).
SAEJ1587FMITable
FMI
0Datavalid,butabovethenormalworkingrange
1Datavalid,butbelowthenormalworkingrange
2Intermittentorincorrectdata
3Abnormallyhighvoltageorshortcircuittohighervoltage
4Abnormallylowvoltageorshortcircuittolowervoltage
5
6Abnormallyhighcurrentorshortcircuittoground
7
8
9Abnormalupdaterate
10Abnormallystrongvibrations
11
12Faultymoduleorcomponent
13
14
15
SAET ext
Abnormallylowcurrentoropencircuit
Incorrectresponsefromamechanicalsystem
Abnormalfrequency
Non-identiablefault
Calibrationvaluesoutsidelimits
Specialinstructions
Reservedforfutureuse
PPIDProprietaryParameterIdentication
DescriptionMack: Uniqueidenticationofaparameter(value).
SIDSubsystemIdenticationDescription:
Identicationofacomponent.
PSIDProprietarySubsystemIdentication
DescriptionMack: Uniqueidenticationofacomponent.
FMIFailureModeIdentier:
Identicationoffaulttypes.
6
Group28
DiagnosticTroubleCode(DTC)Content
SPN0–500
“ECMSPN84,Wheel-BasedVehicleSpeed–MID128
PID84”,page14
“ECMSPN91,AcceleratorPedalPosition1–MID128
PID91”,page14
“ECMSPN94,EngineFuelDeliveryPressure–MID128
PID94”,page14
“ECMSPN97,WaterinFuelIndicator–MID128PID97”,
page15
“ECMSPN98,EngineOilLevel–MID128PID98”,page
16
“ECMSPN100,EngineOilPressure–MID128PID100”,
page17
“ECMSPN102,EngineIntakeManifold1Pressure–MID
128PID102”,page17
“ECMSPN103,EngineTurbocharger1Speed–MID128
PID103”,page18
“ECMSPN105,EngineIntakeManifold1T emperature–
MID128PID105”,page19
“ECMSPN108,BarometricPressure–MID128PID108”,
page20
“ECMSPN110,EngineCoolantT emperature–MID128
PID1 10”,page20
“ECMSPN111,EngineCoolantLevel–MID128PID111”,
page21
“ECMSPN153,EngineHighResolutionCrankcase
Pressure–MID128PID153/PSID23”,page22
“ECMSPN158,KeyswitchBatteryPotential–MID128
PID158/PSID124”,page23
“ECMSPN171,AmbientAirT emperature–MID128PID
171”,page23
“ECMSPN173,EngineExhaustGasT emperature(EGT)–
MID128PID173”,page24
“ECMSPN175,EngineOilT emperature1–MID128PID
175”,page25
“ECMSPN177,TransmissionOilTemperature–MID128
PID177”,page26
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
7
Group28
“ECMSPN188,EngineSpeedAtIdle,Point1(Engine
Congurations)–MID128PID188”,page26
“ECMSPN190,EngineSpeed–MID128PID190”,page
27
“ECMSPN228,SpeedSensorCalibration–MID128PID
228”,page27
“ECMSPN237,V ehicleIdenticationNumber–MID128
PSID161/162”,page27
“ECMSPN245,T otalVehicleDistance–MID128PID
245”,page28
“ECMSPN251,Time–MID128PID251”,page28
“ECMSPN252,Date–MID128PID252”,page29
“ECMSPN41 1,EngineExhaustGasRecirculation
DifferentialPressure–MID128PID41 1”,page29
“ECMSPN412,EngineExhaustGasRecirculation
Temperature–MID128PID412”,page30
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
SPN500–999
“ECMSPN558,AcceleratorPedal1IdleValidationSwitch
–MID128SID230”,page31
“ECMSPN626,IntakeAirHeater(IAH)Relay–MID128
PID45”,page32
“ECMSPN628,ProgramMemory–MID128SID240”,
page32
“ECMSPN629,ElectronicControlUnit(ECU)1–MID
128SID254”,page33
“ECMSPN630,CalibrationMemory–MID128SID253”,
page33
“ECMSPN631,CalibrationModule–MID128PSID
77/PSID124”,page34
“ECMSPN633,EngineFuelActuator1ControlCommand
–MID128SID18”,page34
“ECMSPN636,CamshaftPositionSensor(CMP)–MID
128SID21”,page35
“ECMSPN637,CrankshaftPositionSensor(CKP)–MID
128SID22”,page36
“ECMSPN639,SAEJ1939DataLink1–MID128SID
231”,page37
“ECMSPN641,EngineVariableGeometryTurbocharger
(VGT)Actuator1–MID128SID27”,page37
“ECMSPN642,EngineVariableGeometryTurbocharger
(VGT)Actuator2–MID128PPID89”,page38
“ECMSPN647,EngineFanClutchOutputDeviceDriver–
MID128SID33”,page38
“ECMSPN651,EngineInjectorCylinder1–MID128SID
1”,page39
“ECMSPN652,EngineInjectorCylinder2–MID128SID
2”,page40
8
Group28
“ECMSPN653,EngineInjectorCylinder3–MID128SID
3”,page40
“ECMSPN654,EngineInjectorCylinder4–MID128SID
4”,page41
“ECMSPN655,EngineInjectorCylinder5–MID128SID
5”,page42
“ECMSPN656,EngineInjectorCylinder6–MID128SID
6”,page43
“ECMSPN677,EngineStarterMotorRelay–MID128
SID39”,page43
“ECMSPN729,IntakeAirHeater(IAH)1–MID128SID
70”,page44
“ECMSPN730,IntakeAirHeater(IAH)2–MID128SID
71”,page44
“ECMSPN975,EstimatedPercentFanSpeed–(MID128
PID26)”,page45
SPN1000–1999
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
“ECMSPN1072,EngineCompressionBrakeOutput#1–
MID128PPID122”,page46
“ECMSPN1127,EngineTurbochargerIntakeManifold
Pressure(IMP)–MID128PSID98”,page47
“ECMSPN1136,EngineControlModule(ECM)
Temperature–MID128PPID55”,page48
“ECMSPN1 198,Anti–theftRandomNumber–MID128
PID224”,page48
“ECMSPN1231,SAEJ1939DataLink2–MID128PSID
229/232”,page49
“ECMSPN1265,EnginePistonCoolingOilPressure
Actuator–MID128SID85”,page49
“ECMSPN1322,EngineMisreforMultipleCylinders–
MID128PSID27”,page50
“ECMSPN1659,EngineCoolantSystemThermostat–
MID128PSID109”,page50
“ECMSPN1675,EngineStarterMode–MID128SID
39”,page50
“ECMSPN1677,AftertreatmentDPFAuxiliaryHeater
Mode–MID128PSID25”,page51
“ECMSPN1761,AftertreatmentDieselExhaustFluid
(DEF)T ankLevel–PPID278”,page51
9
Group28
SPN2000–2999
“ECMSPN2003,TransmissionControlModule(TCM)
Status–MID128PSID205”,page52
“ECMSPN2017,CruiseControlStatus–MID128PID
85”,page52
“ECMSPN2029,InvalidorMissingDatafromVehicleECU
–MID128PSID201”,page52
“ECMSPN2629,EngineTurbochargerCompressorOutlet
Temperature–MID128PID404”,page53
“ECMSPN2659,EngineExhaustGasRecirculation(EGR)
MassFlowRate–MID128PPID35”,page53
“ECMSPN2791,EngineExhaustGasRecirculation(EGR)
ValveControl–MID128SID146”,page54
“ECMSPN2836,BatteryPotential/SwitchedVoltage–MID
128PSID49”,page54
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
10
Group28
SPN3000–3999
“ECMSPN3031,AftertreatmentDieselExhaustFluid
(DEF)T ankTemperature–MID128PPID274”,page55
“ECMSPN3064,AftertreatmentDPFSystemMonitor–
MID128PPID326”,page55
“ECMSPN3216,AftertreatmentIntakeNOx–MID128
PPID348”,page56
“ECMSPN3226,AftertreatmentOutletNOx–MID128
PPID270/PSID90”,page56
“ECMSPN3245,AftertreatmentDPFOutletT emperature–
MID128PPID436”,page57
“ECMSPN3249,AftertreatmentDPFIntakeT emperature
–MID128PPID387”,page58
“ECMSPN3250,AftertreatmentDieselParticulateFilter
(DPF)IntermediateGasTemperature–MID128PPID440/ PSID22”,page59
“ECMSPN3251,AftertreatmentDPFDifferentialPressure
–MID128PID81”,page60
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
“ECMSPN3363,AftertreatmentDieselExhaustFluid
(DEF)T ankHeater–MID128PSID75”,page61
“ECMSPN3471,AftertreatmentFuelPressureControl
Actuator/MP8Engine–MID128PPID328”,page61
“ECMSPN3471,AftertreatmentFuelPressureControl
Actuator/MP7Engine–MID128PSID11 1”,page62
“ECMSPN3472,AftertreatmentDieselParticulateFilter
(DPF)AirPressureControlActuator–MID128PSID58”, page63
“ECMSPN3473,AftertreatmentFailedtoIgnite–MID128
PSID22”,page64
“ECMSPN3480,AftertreatmentDieselParticulateFilter
(DPF)FuelPressure/MP8Engine–MID128PPID 437/PSID108”,page64
“ECMSPN3480,AftertreatmentDieselParticulateFilter
(DPF)FuelPressure/MP7Engine–MID128PPID437”, page65
“ECMSPN3482,AftertreatmentDieselParticulateFilter
(DPF)FuelShutoffValve–MID128PPID328”,page66
“ECMSPN3483,AftertreatmentRegenerationStatus–
MID128PSID47”,page66
“ECMSPN3484,AftertreatmentIgnition–MID128PSID
110/PSID127”,page67
“ECMSPN3485,AftertreatmentDieselParticulateFilter
(DPF)AtomizationAirPressure–MID128PPID277”,page 68
“ECMSPN3489,AftertreatmentAirEnableActuator–MID
128PSID122”,page69
“ECMSPN3491,AftertreatmentDieselParticulateFilter
(DPF)AtomizationAirActuator–MID128PSID59”,page 70
11
Group28
“ECMSPN3509,SensorSupplyVoltage1–MID128SID
232”,page71
“ECMSPN3510,SensorSupplyVoltage2–MID128SID
211”,page71
“ECMSPN3511,SensorSupplyVoltage3–MID128PSID
113”,page72
“ECMSPN3512,SensorSupplyVoltage4–MID128
PSID126”,page72
“ECMSPN3522,AftertreatmentT otalFuelUsed–MID
128PSID91”,page72
“ECMSPN3556,AftertreatmentHydrocarbonDoser/MP8
Engine–MID128PPID329”,page73
“ECMSPN3556,AftertreatmentHydrocarbonDoser/MP7
Engine–MID128PPID329”,page74
“ECMSPN3597,AftertreatmentDieselParticulateFilter
(DPF)RegenerationtooFrequent–MID128PSID119”, page74
“ECMSPN3675,EngineTurbochargerCompressor
BypassValvePosition–MID128PPID330”,page75
“ECMSPN3695,AftertreatmentDieselParticulateFilter
(DPF)Switch/MP8Engine–MID128PSID114”,page76
“ECMSPN3720,AftertreatmentDPFAshLoadPercent–
MID128PPID337”,page76
“ECMSPN3936,AftertreatmentDPFSystem–MID128
PSID28”,page77
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
12
Group28
SPN4000–5500
“ECMSPN4094,NOxLimitsExceededDuetoInsufcient
DieselExhaustFluid(DEF)Quality–MID128PSID90”, page77
“ECMSPN4095,NOxLimitsExceededDuetoInterrupted
DieselExhaustFluid(DEF)Dosing–MID128PSID90”, page77
“ECMSPN4334,AfterteatmentDieselExhaustFluid(DEF)
DosingAbsolutePressure–MID128PPID273”,page78
“ECMSPN4339,AftertreatmentSCRFeedbackControl
Status–MID128PSID90”,page78
“ECMSPN4354,AftertreatmentDieselExhaustFluid
(DEF)LineHeater1–MID128PSID103”,page79
“ECMSPN4356,AftertreatmentDieselExhaustFluid
(DEF)LineHeater3–MID128PSID102”,page79
“ECMSPN4374,AftertreatmentDieselExhaustFluid
(DEF)PumpMotorSpeed–MID128PSID87”,page79
“ECMSPN4375,AftertreatmentDieselExhaustFluid
Pump(DEF)DrivePercentage–MID128PSID121”,page 80
“ECMSPN4376,AftertreatmentDieselExhaustFluid
(DEF)ReturnValve–MID128PSID105”,page81
“ECMSPN4752,EngineExhaustGasRecirculation(EGR)
CoolerEfciency–MID128SID282”,page81
“ECMSPN4811,EnginePistonCoolingOilPressure–
MID128PPID8”,page81
“ECMSPN4813,EngineOilThermostatBypassV alve
Opening–MID128PSID72”,page82
“ECMSPN4815,EngineCoolingFanThermalSwitch
Position–MID128PPID333”,page82
“ECMSPN5246,AftertreatmentSCROperatorInducement
Severity–MID128PSID46”,page83
“ECMSPN5285,ChargeAirCooler(CAC)T emperature–
MID128PID52”,page84
“ECMSPN5298,AftertreatmentDieselOxidationCatalyst
(DOC)ConversionEfciency–MID128PSID99”,page84
“ECMSPN5392,AftertreatmentDieselExhaustFluid
(DEF)DosingValveLossofPrime–MID128PSID121”, page85
“ECMSPN5394,AftertreatmentDieselExhaustFluid
(DEF)DosingValve–MID128PSID89”,page85
“ECMSPN5394,AftertreatmentDieselExhaustFluid
(DEF)DosingValve–MID128PSID90”,page86
“ECMSPN5485,AftertreatmentDieselExhaustFluid
(DEF)PumpOrice–MID128PSID121”,page86
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
13
Group28
EngineControlModule(ECM)DiagnosticTrouble
ECMSPN84,Wheel-BasedVehicleSpeed–MID128PID84
Codes(DTCs)
Typeof fault:
FMI9
FMIDescription:
Abnormalupdate
rate
FaultCondition:
Missingsignal
fromVECU
Possible Symptoms:
PossibleCause:
EnginederateSAEJ1587datalinkvehiclespeed
messagedoesnotexist,(VECUerror)
VECU
FMI10
FMI13
FMI19
Abnormalrateof
change
Vehiclespeed
deemed inaccurateby VECU
OutofcalibrationNovehiclespeed
availabletoVECU
Receivednetwork
datainerror
Vehiclespeed
deemed inaccurateby VECU
MILilluminated
(13Lengineonly)
MILilluminated
(13Lengineonly)
MILilluminated
(13Lengineonly)
Vehiclespeedsensor(VSS)
VECU
Vehiclespeedsensor(VSS)
VECU
Vehiclespeedsensor(VSS)
VECU
ECMSPN91,AcceleratorPedalPosition1–MID128PID91
Typeof fault:
FMI9
FMI13
FMI10
FMI19
FMIDescription:
Abnormalupdate
rate
FaultCondition:
Missingsignal
fromVECU
OutofcalibrationPedalnot
connectedto VECU
Abnormalrateof
change
Receivednetwork
datainerror
Pedalposition
deemed inaccurateby VECU
Pedalposition
deemed inaccurateby VECU
Possible Symptoms:
PossibleCause:
N/ASAEJ1587datalinkpedalinformation
notavailable
MILilluminated
(13Lengineonly)
MILilluminated
(13Lengineonly)
MILilluminated
(13Lengineonly)
Acceleratorpedalsensorfault
Acceleratorpedalsensorfault
Acceleratorpedalsensorfault
ECMSPN94,EngineFuelDeliveryPressure–MID128PID94
14
Typeof fault:
FMI3
FMI5
FMIDescription:
Voltageabove
normal,orshorted tohighsource
Currentbelow
normaloropen circuit
FaultCondition:
Lowfuelpressure
sensorsignalline voltage
Lowfuelpressure
sensorsignalline voltage
Possible Symptoms:
PossibleCause:
N/ADamagedcontactsinharness
Faultyfuelpressuresensor
Opencircuit.
N/ADamagedcontactsinharness
Faultyfuelpressuresensor
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI7
FMI13
FMI15
FMI17
FMI18
Mechanicalsystem
notresponding properly
Dropinfuel
pressure
OutofCalibrationSensorindicatesa
invalidvalue
Datavalidbutabove
normaloperating range-Leastsevere level
Datavalidbutbelow
normaloperating range-Leastsevere level
Datavalidbutbelow
normaloperating range-Moderately severelevel
Sensorindicatesa
invalidvalue
Sensorindicatesa
invalidvalue
Dropinfuel
pressure
EnginederateCloggedfuellter
Faultyfuelpressuresensor
Leakingfuellineortting
Poorfuelpumpresponse
N/AWiringharness
Faultyfuelpressuresensor
Cloggedfuellter
N/AWiringharness
Faultyfuelpressuresensor
N/AWiringharness
Faultyfuelpressuresensor
Cloggedfuellter
EnginederateCloggedfuellter
Faultyfuelpressuresensor
Leakingfuellineortting
Poorfuelpumpresponse
ECMSPN97,WaterinFuelIndicator–MID128PID97
Typeof fault:
FMI0
FMI3
FMIDescription:
Datavalidbutabove
normaloperational range-Mostsevere level
Voltageabove
normal,orshorted tohighsource
FaultCondition:
Waterinfuelis
indicated
N/AUndetectedwater
Possible Symptoms:
Unevenrunning
Enginestalling
infuelsupply
Unevenrunning
Enginestalling
FMI4
Voltagebelow
normal,orshorted tolowsource
N/AUndetectedwater
infuelsupply
Unevenrunning
PossibleCause:
Waterinfuel
Opencircuit
Shorttoground
Opencircuit
Faultysensor
15
Group28
ECMSPN98,EngineOilLevel–MID128PID98
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
Typeof fault:
FMI1
FMI4
FMI5
FMI18
FMIDescription:
Datavalidbutabove
normaloperational range
Voltagebelow
normal,orshorted tolowsource
Currentbelow
normaloropen circuit
Datavalidbutbelow
normaloperating range-Moderately severelevel
FaultCondition:
Criticallybelow
range
ShortCircuit-
Positiveside
ShortCircuit+,
Positiveside
OpenCircuit+,
Positiveside
OpenCircuit-
Negativeside
Moderatelybelow
range
Criticallybelow
range
Possible Symptoms:
Redengine
shutdownor yellowelectronic malfunction lampsilluminated dependentof severity
Oillevelcannot
bemeasured
Oillevelcannot
bemeasured
Redengine
shutdownor Yellowelectronic malfunction lampsilluminated dependentof severity
PossibleCause:
Lowoillevelleakage
Criticallylowoillevel
EngineOilLevel(EOL)sensorfailure
Faultyharness
EngineOilLevel(EOL)sensorfailure
Faultyharness
Lowoillevelleakage
Moderatelylowoillevel
16
Group28
EngineControlModule(ECM)DiagnosticTrouble
ECMSPN100,EngineOilPressure–MID128PID100
Codes(DTCs)
Typeof fault:
FMI1
FMI3
FMI5
FMI13
FMI15
FMI17
FMIDescription:
Datavalidbutbelow
normaloperational range
Voltagebelow
normalorshorted low
Currentbelow
normaloropen circuit
FaultCondition:
Criticallybelow
range
ShortCircuit+,
Measuringline
OpenCircuit,
Groundline
OpenCircuit+,5V
Supplyline
ShortCircuit-,
Measuringline
OpenCircuit,
Measuringline
OutofCalibrationSensorindicatesa
invalidvalue
Datavalidbutabove
normaloperating range-Leastsevere level
Datavalidbutbelow
normaloperating range-Leastsevere level
Sensorindicatesa
invalidvalue
Sensorindicatesa
invalidvalue
Possible Symptoms:
Enginederate
Lowpressure
Redengine
shutdownlamp illuminated
Oilpressure
shows0inthe cluster,engineis running
Yellowelectronic
malfunctionlamp illuminated
Oilpressure
shows0inthe cluster,engineis running
Yellowelectronic
malfunctionlamps illuminated
Oilpressure
shows0inthe cluster,engineis running
Oilpressure
shows0inthe cluster,engineis running
Oilpressure
shows0inthe cluster,engineis running
PossibleCause:
Oilleakage
Brokenoilpump
Cloggedoilsystem
EngineOilPressure(EOP)sensor
failure
Faultyharness
EngineOilPressure(EOP)sensor
failure
Faultyharness
EngineOilPressure(EOP)sensor
failure
Faultyharness
EngineOilPressure(EOP)sensor
failure
Faultyharness
EngineOilPressure(EOP)sensor
failure
Faultyharness
ECMSPN102,EngineIntakeManifold1Pressure–MID128PID102
Typeof fault:
FMI2
FMIDescription:
Dataerratic,
intermittentor incorrect
FaultCondition:
IntakeManifold
PressureSensor outputistoohigh ortoolow
Possible Symptoms:
Enginederate
MILlamp
PossibleCause:
Faultyharness
IntakeManifoldPressuresensor
illuminated
17
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI3
FMI5
FMI12
FMI13
FMI14
FMI15
FMI17
Voltageabove
normal,orshorted tohighsource
Currentbelow
normaloropen circuit
Badintelligent
deviceor component
OutofCalibrationSensorindicates
SpecialinstructionsIntakeManifold
Datavalidbutabove
normaloperating range-Leastsevere level
Datavalidbutbelow
normaloperating range-Leastsevere level
Ashorttobattery
inthemetering circuit
Anopeninthe
groundcircuit oftheIntake ManifoldPressure Sensor
Ashorttoground
intheharness
Anopeninthe5
voltsupplycircuit
Anopeninthe
meteringcircuit
IntakeManifold
Pressuresensor outputistoohigh
Sensorindicates
ainvalidvalue
ainvalidvalue
Pressuresensor outputistoolow
Sensorindicates
ainvalidvalue
IntakeManifold
Pressuresensor outputistoohigh
Sensorindicates
ainvalidvalue
Enginederate
MILlamp
Enginederate
MILlamp
Enginederate
MILlamp
Enginederate
MILlamp
Enginederate
MILlamp
Enginederate
MILlamp
Enginederate
MILlamp
Faultyharness
Harnessconnectors
illuminated
IntakeManifoldPressuresensor
Faultyharness
Harnessconnectors
illuminated
IntakeManifoldPressuresensor
Faultyharness
IntakeManifoldPressuresensor
illuminated
Faultyharness
Harnessconnectors
illuminated
IntakeManifoldPressuresensor
Faultyharness
IntakeManifoldPressuresensor
illuminated
Inletairleakage
Faultyharness
Harnessconnectors
illuminated
IntakeManifoldPressuresensor
Faultyharness
Harnessconnectors
illuminated
IntakeManifoldPressuresensor
ECMSPN103,EngineTurbocharger1Speed–MID128PID103
18
Typeof fault:
FMI0
FMIDescription:
Datavalidbutabove
normaloperational range
FaultCondition:
Turbocharger
speedisatleast 25%greaterthan thetargetwheel speedforthe measuredboost
Possible Symptoms:
Enginederate
MILilluminated
PossibleCause:
Missdetection
Faultyharness
Faultyharnessconnector
TurbochargerSpeedSensor
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI1
FMI9
FMI15
FMI17
Datavalidbutbelow
normaloperational range-Mostsevere level
Abnormalupdate
rate
Datavalidbutabove
normaloperating range-Leastsevere level
Datavalidbutbelow
normaloperating range-Leastsevere level
Turbocharger
speedisatleast 25%lessthan thetargetwheel speedforthe measuredboost
Afaultisloggedif
theTurbocharger SpeedSensor signalislost
Turbocharger
speedisatleast 25%greaterthan thetargetwheel speedforthe measuredboost
Turbocharger
speedisatleast 25%lessthan thetargetwheel speedforthe measuredboost
Enginederate
MILilluminated
Enginederate
MILilluminated
Enginederate
MILilluminated
Enginederate
MILilluminated
Missdetection
Faultyharness
Faultyharnessconnector
TurbochargerSpeedSensor
Faultyharness
Faultyharnessconnector
TurbochargerSpeedSensor
Missdetection
Faultyharness
Faultyharnessconnector
TurbochargerSpeedSensor
Missdetection
Faultyharness
Faultyharnessconnector
TurbochargerSpeedSensor
ECMSPN105,EngineIntakeManifold1Temperature–MID128PID105
Typeof fault:
FMI0
FMI2
FMIDescription:
Datavalidbutabove
normaloperational range-Mostsevere level
Dataerratic,
intermittentor incorrect
FaultCondition:
Sensorindicatesa
invalidvalue
TheIntake
Manifold Temperature sensoroutputis toohighortoolow
Possible Symptoms:
EnginederatePoorcooling
Enginederate
MILilluminated
PossibleCause:
Extremerunningconditions
Poorcooling
Extremerunningconditions
EngineIntakeManifoldsensor
Faultyharness
Faultyharnessconnector
AmbientAirT emperaturesensor
FMI4
Voltagebelow
normal,orshorted tolowsource
N/ADifculttostartin
coldclimates
Minorcoldengine
smoke
EngineIntakeManifoldsensor
Faultyharness
Faultyharnessconnector
Enginederate
MILilluminated
FMI5
Currentbelow
normaloropen circuitt
Possibleshortto
sensor
Difculttostartin
coldclimates
Enginederate
EngineIntakeManifoldsensor
Faultyharness
Faultyharnessconnector
MILilluminated
19
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI13
OutofCalibrationThesensoroutput
isshowinga constantvalue
Enginederate
Minorcoldengine
smoke
MILilluminated
FMI17
Datavalidbutbelow
normaloperating range-Leastsevere level
Thesensoroutput
isshowinga constantvalue
Enginederate
Minorcoldengine
smoke
MILilluminated
ECMSPN108,BarometricPressure–MID128PID108
Typeof fault:
FMI2
FMI3
FMI4
FMIDescription:
Dataerratic,
intermittentor incorrect
Voltageabove
normal,orshorted tohighsource
Voltagebelow
normal,orshorted tolowsource
FaultCondition:
Barometric
Pressuresensor outputistoohigh ortoolow
Shorttobatteryon
themeteringside
Ashorttoground
onthemetering side
Possible Symptoms:
Minorengine
derate
MILilluminated
MILilluminatedInternalfaultintheEngineControl
MILilluminatedInternalfaultintheEngineControl
EngineIntakeManifoldsensor
Faultyharness
Faultyharnessconnector
EngineIntakeManifoldsensor
Faultyharness
Faultyharnessconnector
PossibleCause:
FaultySensor
FaultyEngineControlModule
Module
FaultySensor
Module
FaultySensor
ECMSPN110,EngineCoolantT emperature–MID128PID110
Typeof fault:
FMI0
FMI2
FMI4
FMIDescription:
Datavalidbutabove
normaloperational range-Mostsevere level
Dataerratic,
intermittentor incorrect
Voltagebelow
normalorshorted low
FaultCondition:
Coolant
temperature indicatescritical limit
EngineCoolant
Temperature sensoroutputis toohighortoolow
EngineCoolant
Temperature sensorvoltage toolow
Possible Symptoms:
Enginederate
Redengine
shutdownlamp illuminated
Mayaffect
driveabilityin extremecases
MILilluminated
Difculttostartin
coldclimates
Idlerunregulation
isdeteriorated
PossibleCause:
Extremedrivingcondition
Faultycoolantthermostat
Malfunctioningfan
Blockedradiator
FaultySensor
Faultyharness
Faultycoolantthermostat
FaultySensor
Faultyharness
MILilluminated
FMI5
Currentbelow
normaloropen circuit
N/ADifculttostartin
coldclimates
Idlerunregulation
isdeteriorated
FaultySensor
Faultyharness
MILilluminated
20
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI10
FMI13
Abnormalrateof
change
EngineCoolant
Temperature sensoroutput isshowinga constantvalue
OutofCalibrationSensoroutof
range
Mayaffectvehicle
driveability
FaultySensor
Faultyharness
MILilluminated
MILilluminatedFaultySensor
Sensorindicatesa
invalidvalue
FMI16
FMI17
Datavalidbutabove
normaloperating range-Moderately severelevel
Datavalidbutbelow
normaloperating range-Leastsevere level
Coolant
temperature indicates moderateupper limit
Sensoroutof
range
Sensorindicatesa
invalidvalue
Enginederate
Yellowelectronic
malfunctionlamp illuminated
Extremedrivingcondition
Faultycoolantthermostat
Malfunctioningfan
Blockedradiator
MILilluminatedFaultySensor
ECMSPN111,EngineCoolantLevel–MID128PID111
Typeof fault:
FMI1
FMI3
FMI4
FMI5
FMIDescription:
Datavalidbutbelow
normaloperational range-Mostsevere level
Voltageabove
normal,orshorted tohighsource
Voltagebelow
normal,orshorted tolowsource
Currentbelow
normaloropen circuit
FaultCondition:
Criticallybelow
range
Coolantlevelcan
notbedetected
ShortCircuit+,
measuringline
Coolantlevelcan
notbedetected
ShortCircuit-,
measuringline
Coolantlevelcan
notbedetected
OpenCircuit
Coolantlevelcan
notbedetected
Possible Symptoms:
Enginederate
Redengine
shutdownlamp illuminated
Coolantlevelcan
notbedetected
Coolantlevelcan
notbedetected
Yellowelectronic
malfunctionlamp illuminated
Coolantlevelcan
notbedetected
Yellowelectronic
malfunctionlamp illuminated
Coolantlevelcan
notbedetected
Yellowelectronic
malfunctionlamp illuminated
PossibleCause:
Coolantlevelbelowrange
Faultyharness
Faultyharness
Faultyharnessconnector
Faultylevelsensor
Faultyharness
Faultyharnessconnector
Faultylevelsensor
Faultyharness
Faultyharnessconnector
Faultylevelsensor
21
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI14
FMI18
SpecialinstructionsSensoroutof
range
Sensorindicatesa
invalidvalue
Datavalidbutbelow
normaloperating range-Moderately severelevel
Sensoroutof
range
Sensorindicatesa
invalidvalue
Coolantlevelcan
notbedetected
Yellowelectronic
malfunctionlamp illuminated
Coolantlevelcan
notbedetected
Yellowelectronic
malfunctionlamp illuminated
Faultyharness
Faultyharnessconnector
Faultylevelsensor
Faultyharness
Faultyharnessconnector
Faultylevelsensor
ECMSPN153,EngineHighResolutionCrankcasePressure–MID128 PID153/PSID23
Typeof fault:
FMI0
FMIDescription:
Datavalidbutabove
normaloperational range-Mostsevere level
FaultCondition:
Outofrange,max
voltage,illegal
CriticallyAbove
Range
Possible Symptoms:
Redengine
shutdownlamp illuminated
Forcedidle
PossibleCause:
Pistonringblow-by
Engineshutdown
FMI2
FMI3
FMI5
Dataerratic,
intermittentor incorrect
Voltageabove
normalorshortedto highsource
Currentbelow
normaloropen circuit
Crankcase
pressure indicationtohigh ortolowavalue
ShortCircuit+,
Measuringline
OpenCircuit,
Groundline
OpenCircuit+,5V
SupplyLine
ShortCircuit-,
measuringline
MILilluminatedFaultyCrankCasePressuresenor
Faultyharness
MILilluminated
Yellowelectronic
malfunctionlamp illuminated
MILilluminated
Yellowelectronic
malfunctionlamp illuminated
FaultyCrankCasePressuresenor
Faultyharness
FaultyCrankCasePressuresenor
Faultyharness
OpenCircuit,
measuringline
FMI7
FMI13
Mechanicalsystem
notrespondingor outofadjustment
Leakagedetected
inthecrankcase ventilationsystem
OutofCalibrationSensoroutof
range
MILilluminatedFaultyseparator,hosesorpipes
MILilluminatedFaultySensor
Sensorindicatesa
invalidvalue
22
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI15
FMI17
Datavalidbutabove
normaloperating range-Leastsevere level
Datavalidbutbelow
normaloperating range-Leastsevere level
Sensoroutof
range
Sensorindicatesa
invalidvalue
Sensoroutof
range
Sensorindicatesa
invalidvalue
MILilluminatedFaultySensor
MILilluminatedFaultySensor
ECMSPN158,KeyswitchBatteryPotential–MID128PID158/PSID124
Typeof fault:
FMI0
FMI1
FMI3
FMI4
FMI16
FMI18
FMIDescription:
Datavalidbutabove
normaloperational range
Datavalidbutbelow
normaloperational range
Voltageabove
normal,orshorted tohighsource
Voltagebelow
normal,orshorted tolowsource
Datavalidbutabove
normaloperating range-Moderately severelevel
Datavalidbutbelow
normaloperating range-Moderately severelevel
FaultCondition:
EngineControl
Modulebattery voltagetoohigh
EngineControl
Modulebattery voltagetoolow
EngineControl
Modulebattery voltagetoohigh
EngineControl
Modulebattery voltagetoolow
EngineControl
Modulebattery voltagetoohigh
EngineControl
Modulebattery voltagetoolow
Possible Symptoms:
PossibleCause:
N/AChargingsystemfault
Externalcharger
Enginecontrolmodule(ECM)
Starterwillnot
crank
Chargingsystemfault
Battery
Groundconnection
N/AChargingsystemfault
Externalcharger
Enginecontrolmodule(ECM)
Starterwillnot
crank
Chargingsystemfault
Battery
Groundconnection
N/AChargingsystemfault
Externalcharger
Enginecontrolmodule(ECM)
Starterwillnot
crank
Chargingsystemfault
Battery
Groundconnection
ECMSPN171,AmbientAirT emperature–MID128PID171
Typeof fault:
FMI2
FMIDescription:
Dataerratic,
intermittentor incorrect
FaultCondition:
KeyON,Ambient
AirT emperature messagemissing onSAEJ1939and SAEJ1587data links
Possible Symptoms:
PossibleCause:
N/AFaultyinstrumentcluster
Faultyharness
23
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI9
FMI10
FMI12
FMI13
FMI14
FMI19
AbnormalUpdate
Rate
Abnormalrateof
change
Badintelligent
deviceor component
OutofcalibrationAmbient
SpecialinstructionsAmbient
Receivednetwork
datainerror
KeyON,Ambient
AirT emperature messagemissing onSAEJ1587 datalink
Ambient
Temperature sensorsignalfault
LossofSAE
J1939datalink communication betweenEngine ControlModule andInstrument ClusterControl Module
Temperature sensorsignalfault
Noambient
temperature calculatedby VehicleECU
Novalidambient
temperature receivedby EngineControl Module
Temperature sensorsignalfault
Ambient
Temperature sensorsignalfault
N/AFaultyinstrumentcluster
Faultyharness
MILilluminated
(13Lengineonly)
MILilluminated
(13Lengineonly)
MILilluminated
(13Lengineonly)
Faultyinstrumentcluster
Faultyinstrumentcluster
Faultyharness
Faultyinstrumentcluster/harnessor
clusterharnessconnectors
MILilluminatedAmbientT emperaturesensorsignal
missingfromVehicleECU
MILilluminated
(13Lengineonly)
Faultyinstrumentcluster
ECMSPN173,EngineExhaustGasTemperature(EGT)–MID128PID173
Typeof fault:
FMI0
FMI2
FMIDescription:
Datavalidbutabove
normaloperational range-Mostsevere level
Dataerratic,
intermittentor incorrect
FaultCondition:
ExhaustGas
Temperatureis criticallyhigh
Sensorisnot
rational
Possible Symptoms:
Enginederate
Poordriveability
Regenerationis
notpossible
MILilluminated
Regenerationis
notpossible
PossibleCause:
Faultyharness
Faultyharnessconnector
Intakeairleak
Faultyharness
Faultyharnessconnector
Exhaustleak
Intakeairleak
Sensorfailure
24
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI4
FMI5
FMI15
FMI16
Voltagebelow
normal,orshorted tolowsource
Currentbelow
normaloropen circuit
Datavalidbutabove
normaloperating range-Leastsevere level
Datavalidbutabove
normaloperating range-Moderately severelevel
Shorttogroundon
themeteringside ofthecircuit
Shorttobatteryon
themeteringside ofthecircuit
Openinthe
meteringsideof thecircuit
Openinthe
groundsideof thecircuit
Sensoroutof
range
Sensorindicatesa
invalidvalue
ExhaustGas
Temperatureis moderatelytoo high
MILilluminated
Regenerationis
notpossible
Sensorfailure
Faultyharness
Faultyharnessconnector
Aftertreatmentcontrolmodule(ACM)
MILilluminatedFaultyharness
Sensorfailure
Faultyharnessconnector
MILilluminatedSensorfailure
Faultyharness
Enginederate
Poordriveability
Faultyharness
Faultyharnessconnector
Intakeairleak
ECMSPN175,EngineOilT emperature1–MID128PID175
Typeof fault:
FMI0
FMI2
FMI4
FMIDescription:
Datavalidbutabove
normaloperational range-Mostsevere level
Dataerratic,
intermittentor incorrect
Voltagebelow
normal,orshorted tolowsource
FaultCondition:
Extremedriving
conditions
Engineoil
temperature criticallyabove range
Engineoil
temperature sensorindicating toohighortoolow avalue(abnormal value)
Shortcircuit-,
measuringline
Possible Symptoms:
Redengine
shutdownlamp illuminated
Enginederate
MILilluminated
(13Lengineonly)
Insomecases
mayhave aneffecton driveability
MILilluminated
(13Lengineonly)
Yellowelectronic
malfunctionlamp illuminated
PossibleCause:
Extremedrivingconditions
Enginecoolingfan
Oilthermostat
Coolantsystem
Cloggedoilcooler
EngineOilT emperature(EOT)sensor
failure
Faultyharness
EngineOilT emperature(EOT)sensor
failure
Faultyharness
25
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