User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Shortcircuit-•Yellowelectronic
malfunctionlamp
illuminated
•Faultyharness
•Faultyharnessconnector
•Faultysensor
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•Yellowelectronic
malfunctionlamp
illuminated
•Faultyharness
•Faultyharnessconnector
•Faultysensor
ECMSPN5246,AftertreatmentSCROperatorInducementSeverity–MID
128PSID46
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI0
•Datavalidbutabove
normaloperational
range-Mostsevere
level
•SevereSCR
systemfault
detected–
Warningfault
•Severeengine
derate
•N/A
FMI15
•Datavalidbutabove
normaloperating
range-Leastsevere
level
•ModerateSCR
systemfault
detected–
Warningfault
•Moderateengine
derate
•N/A
FMI16
•Datavalidbutabove
normaloperating
range-Moderately
severelevel
•SCRsystem
faultdetected–
Warningfault
•Enginederate•N/A
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