VOLVO
AUD-000B - Loudspeakers front. Signal too high / low
System
Audio Module (AUD)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
3 modelsS40 (2004–2013), V50 (2004–2013), XC90 (2003–)
Show models by year and engine (3)
What does this fault code mean?
The audio module (AUD) monitors the signal to the front loudspeakers and has found a level that is too high or too low. The fault may concern one speaker or both, and it shows when the ignition is switched on. The usual cause is a short circuit in the wiring, either to supply voltage or to ground.
Possible causes
- Wiring to the front speakers shorted to supply voltage
- Wiring to the front speakers shorted to ground
- Poor contact at a speaker connection
What you can do
- 1Check the fuses for the audio system
- 2Inspect the wiring to the front speakers for chafing and pinching
- 3Make sure the connectors at the speakers and at the audio module are tight and clean
- 4Locate the short with diagnostic equipment and replace any faulty speaker
Symptoms you may notice1
- No sound from the front speakers
General guidance for car owners. Diagnosis on the car can point to a different cause.