User Manual
Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit
•On/offvalvecan’t
beactivated
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Regenerationnot
possible
•Highengine
brakingwithout
request
•Driveability
affected
•Faultybypassvalvesolenoid
•Faultyharness
•Faultyharnessconnector
FMI7
•Mechanicalsystem
notrespondingor
outofadjustment
•Mechanically
Stuck
•On/offvalvecan’t
beactivated
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Regenerationnot
possible
•Highengine
brakingwithout
request
•Driveability
affected
•Valveconstantly
activated
•Majorengine
derate
•Exhaustmanifold
overheating
•Engineshutdown
•Leakingpipes
•Faultybypassvalvesolenoid
ECMSPN3695,AftertreatmentDieselParticulateFilter(DPF)Switch/MP8
Engine–MID128PSID114
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI9
•Abnormalupdate
rate
•Signal
missingfrom
aftertreatment
DPFswitch
•Yellowelectronic
malfunctionlamp
illuminated
•Faultyharness
ECMSPN3720,AftertreatmentDPFAshLoadPercent–MID128PPID337
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI0
•Datavalidbutabove
normaloperational
range-Mostsevere
level
•Ashleveltoohigh•Yellowelectronic
malfunctionlamp
illuminated
•Needservice,ashlevelistoohigh
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