Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CEM-B1D1700

Condition
Central electronic module (CEM) checks the function of siren (SCM) via control messages.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Siren (SCM) has registered an internal error on its inner vehicle angle sensor.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Activation of the alarm function.

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
- Internal fault in the siren control module (SCM).

Fault symptom[s]
- 7T, Alarm/Alarm will not set off/No visible and/or audible signal
- XM, Alarm/Other alarm problems