VOLVO
AUD-U300016 - Control Module. General Electrical Failures. Circuit voltage below threshold
System
Audio Module (AUD)
Volvo models this fault code applies to
Applies to the following models:
4 modelsS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (4)
What does this fault code mean?
The audio module (AUD) checks the supply voltage to its internal components. The code is set when the DC voltage is too low, which normally points to a damaged audio module. The speakers and headphones may then stop working.
Possible causes
- Damaged audio control module
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 the car's controls and functions work to judge the fault
- 3Read the code with diagnostic equipment and check the supply to the audio module
- 4Replace the audio control module if the fault is permanent
Symptoms you may notice3
- No sound from the speakers
- The headphones do not work
- The buttons for the headphone output do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.