User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
ECMSPN4375,AftertreatmentDieselExhaustFluidPump(DEF)Drive
Percentage–MID128PSID121
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI0
•Datavalidbutabove
normaloperational
range-Mostsevere
level
•Circuitshorted+•MILilluminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•Faultyharness
•Faultyconnector
•AftertreatmentDEFpumpassembly
failure
FMI1
•Datavalidbutbelow
normaloperational
range-Mostsevere
level
•Circuitshorted–
•Opencircuit
•MILilluminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•Faultyharness
•Faultyconnector
•AftertreatmentDEFpumpassembly
failure
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshorted+•MILilluminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•Faultyharness
•Faultyconnector
•AftertreatmentDEFpumpassembly
failure
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshorted–•MILilluminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•Faultyharness
•Faultyconnector
•AftertreatmentDEFpumpassembly
failure
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•MILilluminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•Faultyharness
•Faultyconnector
•AftertreatmentDEFpumpassembly
failure
FMI12
•Badintelligent
deviceor
component
•Opencircuit•MILilluminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•Faultyharness
•Faultyconnector
•AftertreatmentDEFpumpassembly
failure
FMI14
•Specialinstructions•Voltagetopump
outofrange
•MILilluminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•Faultyharness
•Faultyconnector
•AftertreatmentDEFpumpassembly
failure
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