Signal Missing

Signal missing

The steering wheel module (SWM) has registered that the signal is missing or faulty in the communication with other control modules.

Hint: In the event of communication problems, the fault may exist in other parts of the communications network. The role of the central electronic module (CEM) is to control the communications network and to store diagnostic trouble codes (DTCs) in the event of communication problems between control modules.

If the fault is intermittent, it has been registered previously but is no longer present. Intermittent faults can be caused by interference at start up of the steering wheel module (SWM) or may be a different type of fault which occurs on different occasions. The fault is evaluated depending on how it occurs. Replace the steering wheel module (SWM) if the fault recurs.
Replace the steering wheel module (SWM) in the event of a permanent fault.
Remedy as necessary.

Other information
- Steering wheel control module Service and Repair





Continue - Fault-tracing information

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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.

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Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Fault-tracing information

FAULT FOUND - DONE

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