Cummins ISX » SPN: 629 FMI: 12/12 - BAD ECM

Flex

Mr Gear Grinder
Fault Code: 111

PID(P): S254
SPN: 629
FMI: 12/12
Lamp: Red
SRT:

Reason

Error internal to the engine control module (ECM) related to memory hardware malfunctions or internal ECM voltage supply circuits.

Effect

Engine may not start or may be difficult to start.

This fault code can only be caused by an internal ECM problem. Repairs are not possible for the ECM.
 

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