MACK VMAC IV, Year 2011-2013 Service Manual

ServiceInformation

EngineControlModule(ECM),DiagnosticTroubleCode

(DTC),Guide

2010Emissions

CHUCXUGUTD

Trucks

Group28

Release2

89047073

Foreword

Thedescriptionsandserviceprocedurescontainedinthismanualarebasedondesignsand
technicalstudiescarriedoutthroughJanuary2012.

Theproductsareundercontinuousdevelopment.Vehiclesandcomponentsproducedafterthe
abovedatemaythereforehavedifferentspecicationsandrepairmethods.Whenthisisdeemed
tohaveasignicantbearingonthismanual,anupdatedversionofthismanualwillbeissuedto
coverthechanges.

Theneweditionofthismanualwillupdatethechanges.

Inserviceprocedureswherethetitleincorporatesanoperationnumber ,thisisareferencetoan
V.S.T .(VolvoStandardTimes).

Serviceprocedureswhichdonotincludeanoperationnumberinthetitleareforgeneralinformation
andnoreferenceismadetoanV.S.T .

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:PV776-89047073

Repl:PV776-89017543

©2012MackTrucks,Inc.,Greensboro,NCUSA

Allrightsreserved.Nopartofthispublicationmaybereproduced,storedinretrievalsystem,
ortransmittedinanyformsbyanymeans,electronic,mechanical,photocopying,recordingor
otherwise,withoutthepriorwrittenpermissionofMackTrucks,Inc.

USA52163

Contents

Troubleshooting..........................................................................................................................1

EngineControlModule(ECM)DiagnosticTroubleCodes(DTCs).....................................................1

3

4

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
operateandcommunicatethroughtheSAEJ1939(CAN

1)datalinktocontrolavarietyofengineandvehiclecab
functions.TheECMcontrolssuchthingsasfueltimingand
delivery,fanoperation,engineprotectionfunctions,engine
brakeoperation,theexhaustgasrecirculation(EGR)valve
andtheturbochargernozzle.TheVECUcontrolscruise
controlfunctions,accessoryrelaycontrolsandidleshutdown
functions.TheICMprimarilydisplaysoperationalparameters
andcommunicatesthesetotheotherECUs.Allhavethe
capabilitytocommunicateovertheSAEJ1587datalink
primarilyforprogramming,diagnosticsanddatareporting.

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.

1

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.

2

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

3

Group28

SAEJ1587DataLinkCommunication

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

Theelectroniccontrolunits(ECUs)alsocommunicateonthe
SAEJ1587datalink.TheseECUscommunicateaccordingto
theSAEJ1587standard.Thestandardhasbeenextended
withVOLVO’sownsupplement(PPID,PSID).Thediagnostic
troublecodes(DTCs)setbytheECUscontaininformationthat
isdescribedbythefollowingabbreviations.

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.

4

Group28

DiagnosticTroubleCode(DTC)Content

SPN0–500

•“ECMSPN84,Wheel-BasedV ehicleSpeed–MID128

PID84”,page1

•“ECM

PID91”,page11

SPN91,AcceleratorPedalPosition1–MID128

1

•“ECMSPN94,EngineFuelDeliveryPressure–MID128

PID94”,page11

•“ECMSPN97,WaterinFuelIndicator–MID128PID97”,

page12

•“ECMSPN98,EngineOilLevel–MID128PID98”,page

12

•“ECMSPN100,EngineOilPressure–MID128PID100”,

page13

•“ECMSPN102,EngineIntakeManifold1Pressure–MID

128PID102”,page14

•“ECMSPN103,EngineTurbocharger1Speed–MID128

PID103”,page15

•“ECMSPN105,EngineIntakeManifold1T emperature–

MID128PID105”,page15

•“ECMSPN108,BarometricPressure–MID128PID108”,

page16

•“ECMSPN110,EngineCoolantT emperature–MID128

PID1 10”,page16

•“ECMSPN111,EngineCoolantLevel–MID128PID111”,

page17

•“ECMSPN153,EngineHighResolutionCrankcase

Pressure–MID128PID153/PSID23”,page18

•“ECMSPN158,KeyswitchBatteryPotential–MID128

PID158/PSID124”,page19

•“ECMSPN171,AmbientAirT emperature–MID128PID

171”,page19

•“ECMSPN173,EngineExhaustGasT emperature(EGT)–

MID128PID173”,page20

•“ECMSPN175,EngineOilT emperature1–MID128PID

175”,page21

•“ECMSPN177,TransmissionOilT emperature–MID128

PID177”,page22

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

5

Group28

•“ECMSPN188,EngineSpeedAtIdle,Point1(Engine

Congurations)–MID128PID188”,page22

•“ECMSPN190,EngineSpeed–MID128PID190”,page

23

•“ECMSPN228,SpeedSensorCalibration–MID128PID

228”,page23

•“ECMSPN237,VehicleIdenticationNumber–MID128

PSID161”,page23

•“ECMSPN245,T otalVehicleDistance–MID128PID

245”,page23

•“ECMSPN251,Time–MID128PID251”,page24

•“ECMSPN252,Date–MID128PID252”,page25

•“ECMSPN411,EngineExhaustGasRecirculation

DifferentialPressure–MID128PID411”,page25

•“ECMSPN412,EngineExhaustGasRecirculation

Temperature–MID128PID412”,page26

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

SPN500–999

•“ECMSPN558,AcceleratorPedal1IdleV alidationSwitch

–MID128SID230”,page27

•“ECMSPN626,IntakeAirHeater(IAH)Relay–MID128

PID45”,page28

•“ECMSPN628,ProgramMemory–MID128SID240”,

page28

•“ECMSPN629,ElectronicControlUnit(ECU)1–MID

128SID254”,page29

•“ECMSPN630,CalibrationMemory–MID128SID253”,

page29

•“ECMSPN631,CalibrationModule–MID128PSID

77/PSID124”,page30

•“ECMSPN633,EngineFuelActuator1ControlCommand

–MID128SID18”,page30

•“ECMSPN636,CamshaftPositionSensor(CMP)–MID

128SID21”,page30

•“ECMSPN637,CrankshaftPositionSensor(CKP)–MID

128SID22”,page32

•“ECMSPN639,SAEJ1939DataLink1–MID128SID

231”,page33

•“ECMSPN641,EngineVariableGeometryTurbocharger

(VGT)Actuator1–MID128SID27”,page33

•“ECMSPN642,EngineVariableGeometryTurbocharger

(VGT)Actuator2–MID128PPID89”,page34

•“ECMSPN647,EngineFanClutchOutputDeviceDriver–

MID128SID33”,page34

•“ECMSPN651,EngineInjectorCylinder1–MID128SID

1”,page35

•“ECMSPN652,EngineInjectorCylinder2–MID128SID

2”,page36

6

Group28

•“ECMSPN653,EngineInjectorCylinder3–MID128SID

3”,page36

•“ECMSPN654,EngineInjectorCylinder4–MID128SID

4”,page37

•“ECMSPN655,EngineInjectorCylinder5–MID128SID

5”,page38

•“ECMSPN656,EngineInjectorCylinder6–MID128SID

6”,page39

•“ECMSPN677,EngineStarterMotorRelay–MID128

SID39”,page39

•“ECMSPN729,IntakeAirHeater(IAH)1–MID128SID

70”,page40

•“ECMSPN730,IntakeAirHeater(IAH)2–MID128SID

71”,page40

•“ECMSPN975,EstimatedPercentFanSpeed–(MID128

PID26)”,page41

SPN1000–1999

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

•“ECMSPN1072,EngineCompressionBrakeOutput#1–

MID128PPID122”,page42

•“ECMSPN1 127,EngineTurbochargerIntakeManifold

Pressure(IMP)–MID128PSID98”,page43

•“ECMSPN1136,EngineControlModule(ECM)

Temperature–MID128PPID55”,page44

•“ECMSPN1198,Anti–theftRandomNumber–MID128

PID224”,page44

•“ECMSPN1231,SAEJ1939DataLink2–MID128PSID

229”,page45

•“ECMSPN1265,EnginePistonCoolingOilPressure

Actuator–MID128SID85”,page45

•“ECMSPN1322,EngineMisreforMultipleCylinders–

MID128PSID27”,page46

•“ECMSPN1659,EngineCoolantSystemThermostat–

MID128PSID109”,page46

•“ECMSPN1675,EngineStarterMode–MID128SID

39”,page46

•“ECMSPN1677,AftertreatmentDPFAuxiliaryHeater

Mode–MID128PSID25”,page47

•“ECMSPN1761,AftertreatmentDieselExhaustFluid

(DEF)T ankLevel–PPID278”,page47

7

Group28

SPN2000–2999

•“ECMSPN2003,TransmissionControlModule(TCM)

Status–MID128PSID205”,page48

•“ECMSPN2017,CruiseControlStatus–MID128PID

85”,page48

•“ECMSPN2029,InvalidorMissingDatafromVehicleECU

–MID128PSID201”,page48

•“ECMSPN2629,EngineTurbochargerCompressorOutlet

Temperature–MID128PID404”,page49

•“ECMSPN2659,EngineExhaustGasRecirculation(EGR)

MassFlowRate–MID128PPID35”,page49

•“ECMSPN2791,EngineExhaustGasRecirculation(EGR)

ValveControl–MID128SID146”,page50

•“ECMSPN2836,BatteryPotential/SwitchedV oltage–MID

128PSID49”,page50

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

8

Group28

SPN3000–3999

•“ECMSPN3031,AftertreatmentDieselExhaustFluid

(DEF)T ankT emperature–MID128PPID274”,page51

•“ECMSPN3064,AftertreatmentDPFSystemMonitor–

MID128PPID326”,page51

•“ECMSPN3216,AftertreatmentIntakeNOx–MID128

PPID348”,page52

•“ECMSPN3226,AftertreatmentOutletNOx–MID128

PPID270/PSID90”,page52

•“ECMSPN3245,AftertreatmentDPFOutletTemperature–

MID128PPID436”,page53

•“ECMSPN3249,AftertreatmentDPFIntakeT emperature

–MID128PPID387”,page54

•“ECMSPN3251,AftertreatmentDPFDifferentialPressure

–MID128PID81”,page55

•“ECMSPN3363,AftertreatmentDieselExhaustFluid

(DEF)T ankHeater–MID128PSID75”,page55

•“ECMSPN3471,AftertreatmentFuelPressureControl

Actuator–MID128PPID328”,page56

•“ECMSPN3480,AftertreatmentDPFFuelPressure–MID

128PPID437/PSID108”,page56

•“ECMSPN3483,AftertreatmentRegenerationStatus–

MID128PSID47”,page57

•“ECMSPN3492,Aftertreatment1AirSystemRelay–MID

128PPID340”,page58

•“ECMSPN3509,SensorSupplyV oltage1–MID128SID

232”,page59

•“ECMSPN3510,SensorSupplyV oltage2–MID128SID

211”,page59

•“ECMSPN3511,SensorSupplyV oltage3–MID128PSID

113”,page59

•“ECMSPN3512,SensorSupplyVoltage4–MID128

PSID126”,page59

•“ECMSPN3522,AftertreatmentTotalFuelUsed–MID

128PSID91”,page60

•“ECMSPN3556,AftertreatmentHydrocarbonDoser–MID

128PPID329”,page60

•“ECMSPN3597,AftertreatmentDieselParticulateFilter

(DPF)RegenerationtooFrequent–MID128PSID119”,
page61

•“ECMSPN3675,EngineTurbochargerCompressor

BypassValvePosition–MID128PPID330”,page62

•“ECMSPN3720,AftertreatmentDPFAshLoadPercent–

MID128PPID337”,page63

•“ECMSPN3936,AftertreatmentDPFSystem–MID128

PSID28”,page63

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

9

Group28

SPN4000–5500

•“ECMSPN4094,NOxLimitsExceededDuetoInsufcient

DieselExhaustFluid(DEF)Quality–MID128PSID90”,
page63

•“ECMSPN4095,NOxLimitsExceededDuetoInterrupted

DieselExhaustFluid(DEF)Dosing–MID128PSID90”,
page64

•“ECMSPN4334,AfterteatmentDieselExhaustFluid(DEF)

DosingAbsolutePressure–MID128PPID273”,page64

•“ECMSPN4339,AftertreatmentSCRFeedbackControl

Status–MID128PSID90”,page64

•“ECMSPN4354,AftertreatmentDieselExhaustFluid

(DEF)LineHeater1–MID128PSID103”,page65

•“ECMSPN4356,AftertreatmentDieselExhaustFluid

(DEF)LineHeater3–MID128PSID102”,page65

•“ECMSPN4374,AftertreatmentDieselExhaustFluid

(DEF)PumpMotorSpeed–MID128PSID87”,page66

•“ECMSPN4375,AftertreatmentDieselExhaustFluid

Pump(DEF)DrivePercentage–MID128PSID121”,page
66

•“ECMSPN4376,AftertreatmentDieselExhaustFluid

(DEF)ReturnValve–MID128PSID105”,page67

•“ECMSPN4752,EngineExhaustGasRecirculation(EGR)

CoolerEfciency–MID128SID282”,page68

•“ECMSPN4811,EnginePistonCoolingOilPressure–

MID128PPID8”,page68

•“ECMSPN4813,EngineOilThermostatBypassValve

Opening–MID128PSID72”,page68

•“ECMSPN4815,EngineCoolingFanThermalSwitch

Position–MID128PPID333”,page69

•“ECMSPN5246,AftertreatmentSCROperatorInducement

Severity–MID128PSID46”,page69

•“ECMSPN5285,ChargeAirCooler(CAC)T emperature–

MID128PID52”,page70

•“ECMSPN5298,AftertreatmentDieselOxidationCatalyst

(DOC)ConversionEfciency–MID128PSID99”,page70

•“ECMSPN5392,AftertreatmentDieselExhaustFluid

(DEF)DosingValveLossofPrime–MID128PSID121”,
page70

•“ECMSPN5394,AftertreatmentDieselExhaustFluid

(DEF)DosingValve–MID128PSID89”,page71

•“ECMSPN5394,AftertreatmentDieselExhaustFluid

(DEF)DosingValve–MID128PSID90”,page72

•“ECMSPN5443,Aftertreatment1HydrocarbonDosing

System–MID128PPID329”,page72

•“ECMSPN5485,AftertreatmentDieselExhaustFluid

(DEF)PumpOrice–MID128PSID121”,page73

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

10

Group28

EngineControlModule(ECM)DiagnosticTrouble

ECMSPN84,Wheel-BasedVehicleSpeed–MID128PID84

Codes(DTCs)

Typeof
fault:

FMI9

FMIDescription:

•Abnormalupdate

rate

FaultCondition:

•Missingsignal

fromVECU

Possible
Symptoms:

PossibleCause:

•Enginederate•SAEJ1587datalinkvehiclespeed

messagedoesnotexist,(VECUerror)

•VECU

FMI10

FMI13

FMI19

•Abnormalrateof

change

•Vehiclespeed

deemed
inaccurateby
VECU

•Outofcalibration•Novehiclespeed

availabletoVECU

•Receivednetwork

datainerror

•Vehiclespeed

deemed
inaccurateby
VECU

•MILilluminated•Vehiclespeedsensor(VSS)

•VECU

•MILilluminated•Vehiclespeedsensor(VSS)

•VECU

•MILilluminated•Vehiclespeedsensor(VSS)

•VECU

ECMSPN91,AcceleratorPedalPosition1–MID128PID91

Typeof
fault:

FMI9

FMI13

FMI10

FMI19

FMIDescription:

•Abnormalupdate

rate

FaultCondition:

•Missingsignal

fromVECU

•Outofcalibration•Pedalnot

connectedto
VECU

•Abnormalrateof

change

•Receivednetwork

datainerror

•Pedalposition

deemed
inaccurateby
VECU

•Pedalposition

deemed
inaccurateby
VECU

Possible
Symptoms:

PossibleCause:

•N/A•SAEJ1587datalinkpedalinformation

notavailable

•MILilluminated•Acceleratorpedalsensorfault

•MILilluminated•Acceleratorpedalsensorfault

•MILilluminated•Acceleratorpedalsensorfault

ECMSPN94,EngineFuelDeliveryPressure–MID128PID94

Typeof
fault:

FMI3

FMI5

FMIDescription:

•Voltageabove

normal,orshorted
tohighsource

•Currentbelow

normaloropen
circuit

FaultCondition:

•Lowfuelpressure

sensorsignalline
voltage

•Lowfuelpressure

sensorsignalline
voltage

Possible
Symptoms:

PossibleCause:

•N/A•Damagedcontactsinharness

•Faultyfuelpressuresensor

•Opencircuit.

•N/A•Damagedcontactsinharness

•Faultyfuelpressuresensor

11

Group28

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

FMI7

FMI13

FMI15

FMI17

FMI18

•Mechanicalsystem

notresponding
properly

•Dropinfuel

pressure

•OutofCalibration•Sensorindicatesa

invalidvalue

•Datavalidbutabove

normaloperating
range-Leastsevere
level

•Datavalidbutbelow

normaloperating
range-Leastsevere
level

•Datavalidbutbelow

normaloperating
range-Moderately
severelevel

•Sensorindicatesa

invalidvalue

•Sensorindicatesa

invalidvalue

•Dropinfuel

pressure

•Enginederate•Cloggedfuellter

•Faultyfuelpressuresensor

•Leakingfuellineortting

•Poorfuelpumpresponse

•N/A•Wiringharness

•Faultyfuelpressuresensor

•Cloggedfuellter

•N/A•Wiringharness

•Faultyfuelpressuresensor

•N/A•Wiringharness

•Faultyfuelpressuresensor

•Cloggedfuellter

•Enginederate•Cloggedfuel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/A•Undetectedwater

Possible
Symptoms:

•Unevenrunning

•Enginestalling

infuelsupply

•Unevenrunning

•Enginestalling

FMI4

•Voltagebelow

normal,orshorted
tolowsource

•N/A•Undetectedwater

infuelsupply

•Unevenrunning

ECMSPN98,EngineOilLevel–MID128PID98

Typeof
fault:

FMI1

FMIDescription:

•Datavalidbutabove

normaloperational
range

FaultCondition:

•Criticallybelow

range

Possible
Symptoms:

•RedStopor

yellowCheck
lampsilluminated
dependentof
severity

PossibleCause:

•Waterinfuel

•Opencircuit

•Shorttoground

•Opencircuit

•Faultysensor

PossibleCause:

•Lowoillevelleakage

•Criticallylowoillevel

12

Group28

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

FMI4

FMI5

•Voltagebelow

normal,orshorted
tolowsource

•Currentbelow

normaloropen
circuit

•ShortCircuit-

Positiveside

•ShortCircuit+,

Positiveside

•OpenCircuit+,

Positiveside

•Oillevelcannot

bemeasured

•Oillevelcannot

bemeasured

•OpenCircuit-

Negativeside

FMI18

•Datavalidbutbelow

normaloperating
range-Moderately
severelevel

•Moderatelybelow

range

•Criticallybelow

range

•RedStopor

yellowCheck
lampsilluminated
dependentof
severity

ECMSPN100,EngineOilPressure–MID128PID100

Typeof
fault:

FMI1

FMI3

FMIDescription:

•Datavalidbutbelow

normaloperational
range

•Voltagebelow

normalorshorted
low

FaultCondition:

•Criticallybelow

range

•ShortCircuit+,

Measuringline

•OpenCircuit,

Groundline

Possible
Symptoms:

•Enginederate

•Lowpressure

•RedStoplamp

illuminated

•Oilpressure

shows0inthe
cluster,engineis
running

•YellowCheck

lampsilluminated

FMI5

FMI13

FMI15

FMI17

•Currentbelow

normaloropen
circuit

•OpenCircuit+,5V

Supplyline

•ShortCircuit-,

Measuringline

•OpenCircuit,

Measuringline

•OutofCalibration•Sensorindicatesa

invalidvalue

•Datavalidbutabove

normaloperating
range-Leastsevere
level

•Datavalidbutbelow

normaloperating
range-Leastsevere
level

•Sensorindicatesa

invalidvalue

•Sensorindicatesa

invalidvalue

•Oilpressure

shows0inthe
cluster,engineis
running

•YellowCheck

lampsilluminated

•Oilpressure

shows0inthe
cluster,engineis
running

•Oilpressure

shows0inthe
cluster,engineis
running

•Oilpressure

shows0inthe
cluster,engineis
running

•EngineOilLevel(EOL)sensorfailure

•Faultyharness

•EngineOilLevel(EOL)sensorfailure

•Faultyharness

•Lowoillevelleakage

•Moderatelylowoillevel

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

13

Group28

EngineControlModule(ECM)DiagnosticTrouble

ECMSPN102,EngineIntakeManifold1Pressure–MID128PID102

Codes(DTCs)

Typeof
fault:

FMI2

FMI3

FMI5

FMI12

FMI13

FMI14

FMI15

FMI17

FMIDescription:

•Dataerratic,

intermittentor
incorrect

•Voltageabove

normal,orshorted
tohighsource

•Currentbelow

normaloropen
circuit

•Badintelligent

deviceor
component

•OutofCalibration•Sensorindicates

•Specialinstructions•IntakeManifold

•Datavalidbutabove

normaloperating
range-Leastsevere
level

•Datavalidbutbelow

normaloperating
range-Leastsevere
level

FaultCondition:

•IntakeManifold

PressureSensor
outputistoohigh
ortoolow

•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

Possible
Symptoms:

•Enginederate

•MILlamp

•Enginederate

•MILlamp

•Enginederate

•MILlamp

•Enginederate

•MILlamp

•Enginederate

•MILlamp

•Enginederate

•MILlamp

•Enginederate

•MILlamp

•Enginederate

•MILlamp

PossibleCause:

•Faultyharness

•IntakeManifoldPressuresensor

illuminated

•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

14

Group28

EngineControlModule(ECM)DiagnosticTrouble

ECMSPN103,EngineTurbocharger1Speed–MID128PID103

Codes(DTCs)

Typeof
fault:

FMI0

FMI1

FMI9

FMI15

FMIDescription:

•Datavalidbutabove

normaloperational
range

•Datavalidbutbelow

normaloperational
range-Mostsevere
level

•Abnormalupdate

rate

•Datavalidbutabove

normaloperating
range-Leastsevere
level

FaultCondition:

•Turbocharger

speedisatleast
25%greaterthan
thetargetwheel
speedforthe
measuredboost

•Turbocharger

speedisatleast
25%lessthan
thetargetwheel
speedforthe
measuredboost

•Afaultisloggedif

theTurbocharger
SpeedSensor
signalislost

•Turbocharger

speedisatleast
25%greaterthan
thetargetwheel
speedforthe
measuredboost

Possible
Symptoms:

•Enginederate

•MILilluminated

•Enginederate

•MILilluminated

•Enginederate

•MILilluminated

•Enginederate

•MILilluminated

PossibleCause:

•Missdetection

•Faultyharness

•Faultyharnessconnector

•TurbochargerSpeedSensor

•Missdetection

•Faultyharness

•Faultyharnessconnector

•TurbochargerSpeedSensor

•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:

•Enginederate•Poorcooling

•Enginederate

•MILilluminated

PossibleCause:

•Extremerunningconditions

•Poorcooling

•Extremerunningconditions

•EngineIntakeManifoldsensor

•Faultyharness

•Faultyharnessconnector

•AmbientAirT emperaturesensor

FMI4

•Voltagebelow

normal,orshorted
tolowsource

•N/A•Difculttostartin

coldclimates

•Minorcoldengine

smoke

•EngineIntakeManifoldsensor

•Faultyharness

•Faultyharnessconnector

•Enginederate

•MILilluminated

15

Group28

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

FMI5

•Currentbelow

normaloropen
circuitt

•Possibleshortto

sensor

•Difculttostartin

coldclimates

•Enginederate

•MILilluminated

FMI13

•OutofCalibration•Thesensoroutput

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

•MILilluminated•InternalfaultintheEngineControl

•MILilluminated•InternalfaultintheEngineControl

•EngineIntakeManifoldsensor

•Faultyharness

•Faultyharnessconnector

•EngineIntakeManifoldsensor

•Faultyharness

•Faultyharnessconnector

•EngineIntakeManifoldsensor

•Faultyharness

•Faultyharnessconnector

PossibleCause:

•FaultySensor

•FaultyEngineControlModule

Module

•FaultySensor

Module

•FaultySensor

ECMSPN110,EngineCoolantT emperature–MID128PID110

Typeof
fault:

FMI0

FMIDescription:

•Datavalidbutabove

normaloperational
range-Mostsevere
level

FaultCondition:

•Coolant

temperature
indicatescritical
limit

Possible
Symptoms:

•Enginederate

•RedStoplamp

illuminated

PossibleCause:

•Extremedrivingcondition

•Faultycoolantthermostat

•Malfunctioningfan

•Blockedradiator

FMI2

FMI4

•Dataerratic,

intermittentor
incorrect

•Voltagebelow

normalorshorted
low

•EngineCoolant

Temperature
sensoroutputis
toohighortoolow

•EngineCoolant

Temperature
sensorvoltage
toolow

•Mayaffect

driveabilityin
extremecases

•MILilluminated

•Difculttostartin

coldclimates

•Idlerunregulation

isdeteriorated

•FaultySensor

•Faultyharness

•Faultycoolantthermostat

•FaultySensor

•Faultyharness

•MILilluminated

16

Group28

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

FMI5

FMI10

FMI13

FMI16

FMI17

•Currentbelow

normaloropen
circuit

•Abnormalrateof

change

•N/A•Difculttostartin

•EngineCoolant

Temperature
sensoroutput
isshowinga
constantvalue

•OutofCalibration•Sensoroutof

range

•Sensorindicatesa

invalidvalue

•Datavalidbutabove

normaloperating
range-Moderately
severelevel

•Datavalidbutbelow

normaloperating
range-Leastsevere
level

•Coolant

temperature
indicates
moderateupper
limit

•Sensoroutof

range

•Sensorindicatesa

invalidvalue

•FaultySensor

coldclimates

•Faultyharness

•Idlerunregulation

isdeteriorated

•MILilluminated

•Mayaffectvehicle

driveability

•FaultySensor

•Faultyharness

•MILilluminated

•N/A•FaultySensor

•Enginederate

•YellowCheck

lampilluminated

•Extremedrivingcondition

•Faultycoolantthermostat

•Malfunctioningfan

•Blockedradiator

•N/A•FaultySensor

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

•RedStoplamp

illuminated

•Coolantlevelcan

notbedetected

•Coolantlevelcan

notbedetected

•YellowCheck

lampilluminated

•Coolantlevelcan

notbedetected

•YellowCheck

lampilluminated

•Coolantlevelcan

notbedetected

•YellowCheck

lampilluminated

PossibleCause:

•Coolantlevelbelowrange

•Faultyharness

•Faultyharness

•Faultyharnessconnector

•Faultylevelsensor

•Faultyharness

•Faultyharnessconnector

•Faultylevelsensor

•Faultyharness

•Faultyharnessconnector

•Faultylevelsensor

17

Group28

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

FMI14

FMI18

•Specialinstructions•Sensoroutof

range

•Sensorindicatesa

invalidvalue

•Datavalidbutbelow

normaloperating
range-Moderately
severelevel

•Sensoroutof

range

•Sensorindicatesa

invalidvalue

•Coolantlevelcan

notbedetected

•YellowCheck

lampilluminated

•Coolantlevelcan

notbedetected

•YellowCheck

lampilluminated

•Faultyharness

•Faultyharnessconnector

•Faultylevelsensor

•Faultyharness

•Faultyharnessconnector

•Faultylevelsensor

ECMSPN153,EngineHighResolutionCrankcasePressure–MID128
PID153/PSID23

Typeof
fault:

FMI0

FMI2

FMI3

FMI5

FMIDescription:

•Datavalidbutabove

normaloperational
range-Mostsevere
level

•Dataerratic,

intermittentor
incorrect

•Voltageabove

normalorshortedto
highsource

•Currentbelow

normaloropen
circuit

FaultCondition:

•Outofrange,max

voltage,illegal

•CriticallyAbove

Range

•Crankcase

pressure
indicationtohigh
ortolowavalue

•ShortCircuit+,

Measuringline

•OpenCircuit,

Groundline

•OpenCircuit+,5V

SupplyLine

•ShortCircuit-,

measuringline

Possible
Symptoms:

•RedStoplamp

illuminated

PossibleCause:

•Pistonringblow-by

•Forcedidle

•Engineshutdown

•MILilluminated•FaultyCrankCasePressuresenor

•Faultyharness

•MILilluminated

•YellowCheck

lampilluminated

•MILilluminated

•YellowCheck

lampilluminated

•FaultyCrankCasePressuresenor

•Faultyharness

•FaultyCrankCasePressuresenor

•Faultyharness

•OpenCircuit,

measuringline

FMI7

FMI13

•Mechanicalsystem

notrespondingor
outofadjustment

•Leakagedetected

inthecrankcase
ventilationsystem

•OutofCalibration•Sensoroutof

range

•MILilluminated•Faultyseparator,hosesorpipes

•MILilluminated•FaultySensor

•Sensorindicatesa

invalidvalue

18

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

•MILilluminated•FaultySensor

•MILilluminated•FaultySensor

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/A•Chargingsystemfault

•Externalcharger

•Enginecontrolmodule(ECM)

•Starterwillnot

crank

•Chargingsystemfault

•Battery

•Groundconnection

•N/A•Chargingsystemfault

•Externalcharger

•Enginecontrolmodule(ECM)

•Starterwillnot

crank

•Chargingsystemfault

•Battery

•Groundconnection

•N/A•Chargingsystemfault

•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/A•Faultyinstrumentcluster

•Faultyharness

19

Group28

EngineControlModule(ECM)DiagnosticTrouble

Codes(DTCs)

FMI9

FMI10

FMI12

FMI13

FMI14

FMI19

•AbnormalUpdate

Rate

•Abnormalrateof

change

•Badintelligent

deviceor
component

•Outofcalibration•Ambient

•Specialinstructions•Ambient

•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/A•Faultyinstrumentcluster

•Faultyharness

•MILilluminated•Faultyinstrumentcluster

•MILilluminated•Faultyinstrumentcluster

•Faultyharness

•MILilluminated•Faultyinstrumentcluster/harnessor

clusterharnessconnectors

•MILilluminated•AmbientT emperaturesensorsignal

missingfromVehicleECU

•MILilluminated•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

20