Group 30: Electrical system Diagnostic Trouble Codes
141
MID 128, PSID 201
J1939 communication bus
MID 128: Engine control unit
FMI 9: Abnormal updating rate.
FMI Fault code explanation
9 Communication error
Fault indication
DCU: Engine warning in DCU display.
CIU: None
Flash code
Electrical fault: None
Value fault: None
Symptom
None
Component description
CAN H-datalink to engine
CAN L-datalink to engine
Power supply
Power supply input
Ignition
Stop
J1708A-datalink to engine
J1708B-datalink to engine
B55
B51
A58
A27
A33
A34
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