User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
ECMSPN3363,AftertreatmentDieselExhaustFluid(DEF)T ankHeater
–MID128PSID75
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI2
•Dataerratic,
intermittentor
incorrect
•Commanded
valvepositionis
notplausible
•N/A•Faultyharnessorconnectors
•AftertreatmentDEFtanktemperature
sensor
•AftertreatmentDEFtankheatingvalve
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshorted+•N/A•AftertreatmentDEFpumpassembly
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshorted–
•Opencircuit
•N/A•AftertreatmentDEFpumpassembly
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•N/A•AftertreatmentDEFpumpassembly
ECMSPN3471,AftertreatmentFuelPressureControlActuator/MP8
Engine–MID128PPID328
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshortedto
battery
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Faultyharness
•Actuatorfailure
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshortedto
ground
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Faultyharness
•Actuatorfailure
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Faultyharness
•Actuatorfailure
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