Diagnostic Trouble Code (DTC) Information

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 clock in the information module is not working.