VOLVO
PHM-B117A12 - Back-up microphone. General Electrical Failures. Circuit short to battery
System
Phone Module (PHM)
Volvo models this fault code applies to
Applies to the following models:
9 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The telephone module (PHM) checks the power feed to the back-up microphone in the internal back-up system. The fault is stored when the back-up microphone is short-circuited to supply voltage. This can cause Volvo On Call and the phone functions to not work as they should.
Possible causes
- The back-up microphone is short-circuited to supply voltage
What you can do
- 1Start with the fuses in the fuse box. Their locations are shown in the owner's manual or on the cover of the box
- 2Take the car out and test the phone and Volvo On Call to see whether the fault remains
- 3Clear the code. If it returns, a workshop should read the telephone module with diagnostic equipment
Symptoms you may notice3
- The phone functions do not work as they should
- Volvo On Call does not work as it should
- Text window and warning symbol with a text message
General guidance for car owners. Diagnosis on the car can point to a different cause.