What does fault code AUD-0020 mean?

Diagnostic fault code details for AUD-0020 (Volvo C30 (2007–2013), Volvo C30 Electric (2011–2013), Volvo C70 (2006–2013)). Repair service at OBD Tuning.

VOLVO

AUD-0020 - Control module. Internal fault

System

Audio Module (AUD)

Volvo models this fault code applies to

Applies to the following models:

6 models

C30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013), XC90 (2003–)

Show models by year and engine (6)

What does this fault code mean?

The audio control module (AUD) has detected an internal fault and stored it in its memory. The fault lies in the module itself rather than in an external component. Sound from the speakers may then differ from the set volume or source.

Possible causes

Internal fault in the audio control module (AUD)

What you can do

1Change the audio source and adjust the settings to see whether the sound becomes correct
2Clear the code and check whether it returns
3If the fault does not return it may have been temporary, but if it appears again the module should be replaced
4Have a workshop replace the audio control module if the fault remains

Symptoms you may notice1

Sound from the speakers does not match the selected setting

General guidance for car owners. Diagnosis on the car can point to a different cause.