Diagnostic Trouble Code (DTC) Information AUD-B1A031A
Condition
The Audio module (AUD) checks the signal in the signal cable to the loudspeaker in the left-hand rear 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