VOLVO
SUB-0005 - Control module. Internal fault
System
Subwoofer Module (SUB)
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:
3 modelsS40 (2004–2013), V50 (2004–2013), XC90 (2003–)
Show models by year and engine (3)
What does this fault code mean?
The subwoofer module has registered a signal that is too high or too low on the wire feeding voice coil 2 of the bass speaker. The fault comes from that wire short-circuiting to supply voltage or to ground.
Possible causes
- The cable to voice coil 2 is short-circuited to supply voltage between the amplifier and the speaker
- The cable to voice coil 2 is short-circuited to ground between the amplifier and the speaker
What you can do
- 1Erase the code with a diagnostic tool, switch the ignition off for a while and on again to see whether it returns
- 2Switch the ignition off, disconnect the connectors to the subwoofers behind the rear seat and inspect the cable terminals for damage or pressed-back contacts
- 3Use a multimeter to check whether the wire to voice coil 2 has contact with ground (the body) or with supply voltage, and repair as needed
- 4After the work, switch the ignition on and check that sound comes from the loudspeakers again
Symptoms you may notice2
- No sound from the loudspeakers
- Muted sound from the loudspeaker
General guidance for car owners. Diagnosis on the car can point to a different cause.