User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI1
•Datavalidbutbelow
normaloperational
range-Mostsevere
level
•Engineidlespeed
belowdesired
speed
•MILilluminated
•Highfuel
consumption
•Lowenginetorqueproduction
•Faultyfuelinjector
•Lowcylindercompression
•Enginefrictionistoohigh
ECMSPN190,EngineSpeed–MID128PID190
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI0
•Datavalidbutabove
normaloperational
range-Mostsevere
level
•Engineis/was
overspeeding
•Redengine
shutdownlamp
illuminated
•Engineoilenteringcylinders
•Faultycrankcaseoillter
•Possibleenginebrakeengaged
causingengineoverspeeding
•Possibletransmissiondownshift
causingengineoverspeeding
ECMSPN228,SpeedSensorCalibration–MID128PID228
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI9
•Abnormalupdate
rate
•SAEJ1587data
linkcalibration
factormessage
doesnotexist.
(VECUerror).
•Wrongtripdata•VehicleECU
FMI11
•Failuremodenot
identiable
•SAEJ1587data
linkcalibration
factormessage
doesnotexist.
(VECUerror).
•Wrongtripdata•VehicleECU
ECMSPN237,VehicleIdenticationNumber–MID128PSID161/162
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI2
•Dataerratic,
intermittentor
incorrect
•Noanswerfrom
VIN
•Yellowelectronic
malfunctionlamp
illuminated
•Enginewillnot
start
•Datalinkerror
•ECM
•MissingVINinotherECM’s(commonly
VECU,LCM)
FMI12
•Badintelligent
deviceor
component
•Badanswerfrom
VIN
•Yellowelectronic
malfunctionlamp
illuminated
•Enginewillnot
start
•ECM
•MismatchedVINsentfromother
ECM’s(commonlyVECU,LCM)
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