VOLVO
SWM-0013 - Volume+ and Volume- buttons. Incorrect combination. Intermittent fault
System
Steering Wheel Module (SWM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
At some point the steering wheel module (SWM) has seen the Volume+ key and the Volume- key pressed together on the audio and phone control switch. The fault is intermittent, meaning it has occurred but may not be present now. The steering wheel volume buttons stop working while the fault is active.
Possible causes
- Volume+ and Volume- are pressed together on the audio and phone switch
What you can do
- 1Read and note the code, clear it and road test to see whether it returns
- 2Check that the volume buttons on the audio and phone switch do not stick or stay pressed
- 3If you have a diagnostic tool: read the volume buttons in live data and check that Volume+ and Volume- never give a signal at the same time
- 4If the code does not return, no further action is needed
- 5If the fault returns, have a workshop check the control switch and the steering wheel module (SWM)
Symptoms you may notice2
- Steering wheel radio buttons do not work
- Steering wheel telephone buttons do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.