What does fault code AUD-000F mean?

Diagnostic fault code details for AUD-000F (Volvo C30 (2007–2013), Volvo C30 Electric (2011–2013), Volvo C70 (2006–2013)). Repair service at OBD Tuning.

VOLVO

AUD-000F - Microphone terminal. Signal too high

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 registered too high a signal from the microphone in the interior mirror. This points to the signal wire being shorted to supply voltage.

Possible causes

Signal wire between the module and the microphone shorted to supply voltage
Faulty microphone

What you can do

1Check the connector at the microphone in the interior mirror for damage, moisture and loose connections
2Inspect the microphone wire for chafing and damage where it runs through the headlining
3Check with diagnostic equipment that the signal wire is not shorted to supply voltage
4Replace the microphone or repair the wire as needed, then clear the code

Symptoms you may notice1

The microphone does not work

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