Operation CHARM: Car repair manuals for everyone.

800A

800A - PCM2 gateway

Air-conditioning system regulator - no communication

Diagnostic conditions
- Ignition on
- PCM2 on

Possible cause of fault
- CAN comfort (high) - open circuit
- CAN comfort (low) - open circuit
- Air-conditioning system regulator faulty
- Instrument cluster faulty

Affected pins
-

Diagnosis/troubleshooting