Signal Missing

Signal missing

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

Other information
- Control module information and entertainment Control Module Information and Entertainment





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 multimedia module (MMM) by clicking on the VCT2000 symbol.





Can the control module ID be read off?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information

Attempt New Test - Checking the component

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