PCM2/CDR23 - MMI

800C PCM2 - MMI

Fault during the software update via single CD drive.

Diagnostic conditions
- Ignition ON.
- PCM2 on.

Possible cause of fault
- Incorrect/incompatible software version
- Third-party software components

NOTE:
- The MOST optical waveguide is connected to the following control modules:
- Amplifier
- CD changer
- Telephone/telematics

Affected pin
- none

Diagnosis/troubleshooting

Work Instruction 1 - 2: