CEM-8C12

Condition

Rear fog lamp switch must be activated for at least 60 seconds for the diagnostic trouble code to be detected. If the central electronic module (CEM) detects that the rear fog lamp switch has been registered for 60 seconds, diagnostic trouble code CEM-8C12 is displayed.

Possible source

- Faulty rear fog lamp switch.

Fault symptom[s]

- Rear fog lamp does not work.