User Manual
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI1
•Datavalidbutbelow
normaloperational
range-Mostsevere
level
•N/A•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Faultyharness
•FaultyaftertreatmentDPFcoil
FMI2
•Dataerratic,
intermittentor
incorrect
•N/A•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Faultyharness
•FaultyaftertreatmentDPFcoil
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshortedto
+
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Faultyharness
•FaultyaftertreatmentDPFcoil
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshortedto
–
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Faultyharness
•FaultyaftertreatmentDPFcoil
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Faultyharness
•FaultyaftertreatmentDPFcoil
ECMSPN3485,AftertreatmentDieselParticulateFilter(DPF)Atomization
AirPressure–MID128PPID277
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI2
•Dataerratic,
intermittentor
incorrect
•Aftertreatment
DPFdifferential
pressuretoolow
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Regenerationnot
possible
•Sootbuildup
•Faultysensor
•AftertreatmentDPFairshutoffvalve
stuck
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