VOLVO
SUB-U300098 - Control Module. Component Failures. Component or system over temperature
System
Subwoofer Module (SUB)
Volvo models this fault code applies to
Applies to the following models:
3 modelsV70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (3)
What does this fault code mean?
The internal temperature of the control module is too high. This may be caused by high ambient temperature, high power consumption in the control module, or a damaged control module. The bass speaker can then stop producing sound.
Possible causes
- High ambient temperature
- High power consumption in the control module
- Damaged subwoofer control module
What you can do
- 1Check that the control module is not packed in with items, so that air can circulate around it
- 2Clear the code and check whether it returns
- 3If the fault remains, have a workshop replace the subwoofer control module
Symptoms you may notice2
- Other audio problems in the car's sound system
- No sound from the bass speaker
General guidance for car owners. Diagnosis on the car can point to a different cause.