Diagnostic Trouble Code (DTC) Information AUD-001B

Condition

The Audio module (AUD) checks the software in the control module.

The diagnostic trouble code (DTC) is stored if the control module detects that:

Incorrect or no settings in the local configuration file.

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.

Fig 1: Identifying Control Module

Courtesy of VOLVO CARS CORPORATION

Substitute Value

The control module assumes standard configuration.

Possible Source

Software download is not complete.
Damaged audio module (AUD).

Fault symptom[s]

Poor or bad sound
No sound from loudspeakers