Faulty Signal

Faulty signal

Checking the control area network (CAN) and central electronic module (CEM)
The engine control module (ECM) has registered a fault in the communication with the central electronic module (CEM). The fault is caused either by a problem with controller area network (CAN) communication or an internal fault in the central electronic module (CEM).
For further fault-tracing, check if there are diagnostic trouble codes (DTCs) stored in the central electronic module (CEM).
Remedy as necessary.

Other information:
- To access or replace the central electronic module (CEM), see Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing.


Continue - Fault-tracing information
FAULT FOUND

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Fault-tracing information




Information

Fault-tracing information
In case of this defect, troubleshooting is not followed by verification.
The information can be displayed again or the fault-tracing for this fault can be interrupted.

Do you want to view the information again?

Yes - Attempt New Test

No - Fault Found

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Attempt New Test - Checking the control area network (CAN) and central electronic module (CEM)

FAULT FOUND - Fault Found

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