VOLVO
PHM-B117904 - Integrated GSM/GPRS unit. General Electrical Failures. System Internal Failures
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) controls the integrated GSM/GPRS unit, which handles the mobile connection. The fault is stored when the module sees an incorrect value in the control signal or cannot communicate with the GSM/GPRS unit. The cause is a software fault or an internal fault in the telephone module.
Possible causes
- Software fault in the control module
- Internal fault in the telephone module (PHM)
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 check whether it returns after a road test
- 3If it returns, a workshop should update the software in the telephone module, and replace the module if the fault remains
- 4If the code comes back, a workshop with diagnostic equipment can read it to establish whether the cause is the software or the unit
Symptoms you may notice5
- Volvo On Call has no function or reduced function
- The phone has no function or reduced function
- Message in the text display
- The mobile phone does not work
- The other party cannot be heard or cannot hear you, sometimes or all the time
General guidance for car owners. Diagnosis on the car can point to a different cause.