Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information AUD-B1A021A

Condition
The Audio module (AUD) checks the signal in the signal cable to the loudspeaker in the right-hand front door.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The resistance is too low.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Activated control module.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.





Substitute value
- None.

Possible source
- Short circuit between signal cables to speaker.

Fault symptom[s]
- No sound from loudspeakers