VOLVO
AUD-B1A0413 - Speaker #4. General Electrical Failures. Circuit open
System
Audio Module (AUD)
Volvo models this fault code applies to
Applies to the following models:
9 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The audio control module (AUD) has registered that no signal arrives on the wiring to the rear right door speaker. The usual cause is a break in the wire or in the speaker, and the code is set while the module is active. The speaker is then silent and parking assistance may be affected.
Possible causes
- Open circuit in the signal wire between the rear right door speaker and the audio module
- Open circuit in the speaker
What you can do
- 1Check that the audio system fuses are intact and see where they are located in the owner's manual
- 2Check the connectors at the module and the speaker for contact resistance, play and oxidation
- 3Visually inspect the wire between the module and the speaker for breaks and fit a new wire if needed
- 4Have a workshop check the speaker and replace it if it is faulty
Symptoms you may notice2
- No sound from the rear right door speaker
- The speaker does not work, and front and rear parking assistance does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.