Diagnostic Trouble Codes Group 30: Electrical system
132
MID 128, SID 254
Controller error
MID 128: Engine control unit
MID 144: DCU/CIU
FMI 3: RAM addressing failure.
FMI 8: Abnormal frequency.
FMI 12: Faulty unit or component.
FMI Fault code explanation
3, 8, 12 Faulty component
Fault indication
DCU: Engine warning in DCU display.
CIU: Flash code
Flash code
Electrical fault: 9.9 (EMS)
Value fault: None (EMS)
Electrical fault: 9.8 (CIU)
Value fault: None (CIU)
Symptom
The engine can not be started.
Fault tracing
FMI 3, 8, 12
Conditions for fault code:
Internal fault in the engine control unit.
Suitable action:
1. Replace the engine control unit.
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