VOLVO
AUM-44F2 - 4 disc CD changer. Fault in disc selection. Intermittent fault
System
Audio Unit Module (AUM)
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:
1 modelS80 (1999–2006)
Show models by year and engine (1)
What does this fault code mean?
The audio control module (AUM) has registered that the up and down movement when changing discs in the four-disc changer did not finish in time. The fault is intermittent and may not be present right now. It could lie in a disc, in the changer mechanism or in a temporary fault in disc loading.
Possible causes
- Disc loading fault in the four-disc changer
- Defective four-disc changer
- Defective CD disc
What you can do
- 1Clear the code and try changing discs
- 2Try a different disc that is clean and undamaged
- 3If it returns, have the changer checked by a workshop
Symptoms you may notice2
- No sound playback from the four-disc changer
- Discs cannot be changed
General guidance for car owners. Diagnosis on the car can point to a different cause.