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Fault Code 5540

Fault code 5540

DME: fault stored in ECM

NOTE:
The fault is sent via the CAN bus. The PSM system switches off for safety reasons. The PSM is not faulty.

Diagnostic conditions
- Ignition on
- Internal control module test
- DME fault memory contains a fault

Possible cause of fault
- Fault in DME

Affected terminals
-

Diagnosis/troubleshooting