VOLVO
SUB-0001 - Control module. Internal fault
System
Subwoofer Module (SUB)
Volvo models this fault code applies to
Applies to the following models:
4 modelsC70 (2006–2013), S40 (2004–2013), V50 (2004–2013), XC90 (2003–)
Show models by year and engine (4)
What does this fault code mean?
An internal fault has been registered in the subwoofer module, and the code is set. The fault may show up as no sound from the subwoofer.
Possible causes
- Internal fault in the subwoofer module (SUB)
What you can do
- 1Erase the code with a diagnostic tool, switch the ignition off and on again to see whether the fault returns
- 2Check that the connectors to the subwoofer module are secure and free from corrosion
- 3If the fault returns, have a workshop replace the subwoofer module
- 4After replacement, check that sound comes from the loudspeakers again
Symptoms you may notice2
- No sound from the loudspeakers
- No sound from the subwoofer
General guidance for car owners. Diagnosis on the car can point to a different cause.