VOLVO
SUB-001F - Control module. Internal fault
System
Subwoofer Module (SUB)
Volvo models this fault code applies to
Applies to the following models:
1 modelC70 (2006–2013)
Show models by year and engine (1)
What does this fault code mean?
The fault lies in the subwoofer module itself. The sound from the subwoofer may differ from the level that has been set.
Possible causes
- An internal fault in the subwoofer module
What you can do
- 1Read out and erase the code with a diagnostic tool
- 2Test the sound with different settings in the car and note whether the subwoofer responds to all of them
- 3If the code returns, have a workshop replace the subwoofer module
- 4After the work, check that the sound matches the chosen setting
Symptoms you may notice1
- Sound from the subwoofer differs from the selected setting
General guidance for car owners. Diagnosis on the car can point to a different cause.