Diagnostic Trouble Code (DTC) Information AUD-B1A1112
Condition
The Audio module (AUD) checks the internal amplifier circuits to the loudspeakers.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Direct voltage transferred to the cable harness for loudspeakers.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Start up of the MOST network.
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
- Shorted to supply
Fault symptom[s]
- No sound from loudspeakers