VOLVO
PHM-U102857 - Telematic CPU And 3G Modem - Incompatible Software. System Programming Failures. Invalid / Incompatible Software Component
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), with its communication processor and 3G modem, checks the software at start-up and shutdown. The fault is stored when parts of the software are not compatible with each other, and then the mobile connection and Volvo On Call can be affected.
Possible causes
- The control module has faulty software
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 load software that matches the telephone module and its 3G modem
Symptoms you may notice4
- The mobile phone does not work
- Volvo On Call does not work as it should
- Message in the text display
- Text window and warning symbol with a text message
General guidance for car owners. Diagnosis on the car can point to a different cause.