CEM-1A42

Condition

Diagnostic trouble code (DTC) CEM-1A42 is stored if central electronic module (CEM) registers that the real time clock (RTC) is giving an incorrect value.

Substitute value

- None.

Possible source

- Internal fault in the central electronic module (CEM).

Fault symptom[s]

- The parking heater does not operate.
- The in the information module is not working.