FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Signal Missing






Signal missing

Checking the component
The infotainment module (ICM) has registered loss of communication with the integrated audio module (IAM).
If the fault is intermittent it will have been registered on an earlier occasion but is no longer present. Intermittent faults can arise when the integrated audio module (IAM) is started or may be of another kind that can occur at different times. Assessment of the fault is made from case to case.
In the case of a permanent fault, change the integrated audio module (IAM).
Remedy as necessary.

Other information
- General audio player module General Audio Player Module





Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on for at least 12 seconds.
Obtain the ID of the integrated audio module (IAM) by clicking on the VCT2000 symbol.





Can a reading of the control module ID be obtained?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking the component

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