8004 CDR23

8004 CDR23

CAN Bus OFF

Diagnostic conditions
- Ignition on
- Start CDR23.

Possible cause of fault
- CAN Comfort (high) - short circuit to ground/B+
- CAN Comfort (low) - short circuit to ground/B+

NOTE:
The CAN Comfort is connected to the following control units:
- PCM2 as of model year 2003
- Instrument cluster
- Air-conditioning control unit
- Radio

Affected pins
CDR23 control module, plug E, yellow, pins 1 and 2







Diagnosis/Troubleshooting

Work Instruction 1 - 6:

Work Instruction 7 - 9: