Diagnostic Trouble Code Information

Diagnostic trouble code (DTC) information AUD-B1A081F

Condition
The subwoofer has two loudspeaker elements, SUB 1 and SUB 2, and each element is driven by one channel.
The Audio module (AUD) checks the signal in the signal cable to element SUB 2.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The signal is incorrect.
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 in signal cable.
- Play or incorrect connection.
- Defective loudspeaker.

Fault symptom[s]
- No sound from loudspeakers