Diagnostic Trouble Code (DTC) Information AUD-001B

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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 OF NORTH AMERICA.

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