VOLVO
AUD-B1A071F - Speaker #7. General Electrical Failures. Circuit intermittent
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 subwoofer has two speaker elements, SUB 1 and SUB 2. The audio control module (AUD) has at some point registered an incorrect signal to element SUB 1. The fault is intermittent and may have cleared, and the causes can be a short in the signal wire, a loose or faulty connection, or a damaged element.
Possible causes
- Short circuit in the signal wire
- Loose or faulty connection
- Damaged element
What you can do
- 1Check that the audio system fuses are intact and see where they are located in the owner's manual
- 2Check whether similar codes are stored for the other speakers
- 3Check the connectors at the subwoofer and at the audio module for contact resistance, play and oxidation
- 4Visually inspect the wiring and have a workshop read the signal with diagnostic equipment
Symptoms you may notice2
- No sound from the subwoofer
- Front and rear parking assistance does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.