Signal Missing

Signal missing

Checking the component
The infotainment control module (ICM) has registered that there is no communication with the AM/FM tuner module (AFM).
If the fault is intermittent, it has been registered previously but is no longer present. Intermittent faults can occur at start up of the AM/FM tuner module (AFM) or may be a different type of fault that occurs on different occasions. The fault is evaluated depending on how it occurs.
Replace the AM/FM tuner module (AFM) in the event of a permanent fault.
Remedy as necessary.

Other information
- AM/FM tuner module (AFM), replacing





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.
Read off the control module ID from the AM/FM tuner module (AFM) by clicking on the VCT2000 symbol.





Can the control module ID be read off?

Yes - Troubleshooting procedure complete

No - 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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