VOLVO
AUM-42FF - Single CD player. Not connected or communication problems. Intermittent fault
System
Audio Unit Module (AUM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007)
Show models by year and engine (4)
What does this fault code mean?
The audio unit (AUM) does not detect the CD player, or communication with it fails, and the fault is intermittent. The code is set for an internal fault in the audio unit, and no action is needed if it does not return. If it does return, the usual cause is a defective CD player.
Possible causes
- Defective CD player
What you can do
- 1Check whether the code returns after the ignition has been switched off and on
- 2If the code returns, have a workshop check the communication and replace the CD player
- 3If the code does not return, no further action is needed
Symptoms you may notice1
- The CD player does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.