Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CEM-B1C8413

Condition
The central electronic module (CEM) checks the heated rear windshield.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Signal too high from the output.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Unactivated rear window heater.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.

Substitute value
- None.

Possible source
- Open circuit on signal cable.

Fault symptom[s]
- Defog/defrost/Rear window defog/defrost/Does not work