Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CEM-B102481

Condition
Central electronic module (CEM) checks communication with antenna unit ignition (IAU).
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The serial communication from antenna unit ignition (IAU) is incorrect.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Communication with antenna unit ignition (IAU).

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
- Incorrect communication from antenna unit ignition (IAU).

Fault symptom[s]
- Starting/Engine does not start/Engine does not turn/No clicking sound at start attempt
- Starting/Engine does not start/Engine does not turn/Clicking sound at start attempt
- Starting/Engine does not start/Engine does not turn/Unsure when/at all times
- Starting/Engine does not start/Unsure when/at all times
- Text window and warning symbol/Text message