VOLVO
PHM-U102411 - Backup Speaker. General Electrical Failures. Circuit short to ground
System
Phone Module (PHM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsS60 (2011–), V60 (2011–), V60 Cross Country (2015–), XC60 (2009–)
Show models by year and engine (4)
What does this fault code mean?
The telephone module (PHM) checks the power supply to the back-up speaker. The fault is stored when the speaker circuit is short-circuited to ground. The phone can then stop working, and Volvo On Call can be affected.
Possible causes
- The speaker circuit is short-circuited to ground
What you can do
- 1Check the fuses in the fuse box. Their locations are shown in the owner's manual or on the cover of the box
- 2Clear the code and road test the car, then check whether the phone works, for example with a test call
- 3With a multimeter you can check that the wire to the back-up speaker has no contact with ground (the body)
- 4If the fault remains after these checks, the telephone module needs replacing, which a workshop does
Symptoms you may notice4
- The mobile phone does not work
- Volvo On Call does not work as it should
- Text window and warning symbol with a text message
- The mobile phone has problems, and a message appears in the text display
General guidance for car owners. Diagnosis on the car can point to a different cause.