Instrument Cluster

Fault code 0457

Vehicle electrical system control module (CAN comfort)

Diagnostic conditions
- Ignition on
- Internal function test on instrument cluster and gateway

Possible cause of fault
- No signal/communication (no signal from vehicle electrical system control module on CAN comfort)
- Faulty (fault value for vehicle electrical system voltage or dimming)

Affected pins
Instrument cluster, plug B:
- Pin 27 'CAN comfort (high)'
- Pin 28 'CAN comfort (low)'

Diagnosis/troubleshooting