VOLVO
PHM-0011 - Hands-free speakers. Signal missing. Intermittent fault
System
Phone Module (PHM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsS80 (1999–2006), V70 (2000–2008)
Show models by year and engine (2)
What does this fault code mean?
The fault is intermittent, meaning sporadic. The keypad or phone module (PHM) registers a break in the signal to the hands-free speaker, so hands-free mode does not work.
Possible causes
- Break in the hands-free speaker signal to the keypad or phone module
What you can do
- 1Read and note the code, clear it and road test to see whether it comes back
- 2With the ignition off, check that the connectors to the handset and on the keypad or phone module are secure, with no play
- 3Use a multimeter to check that the wire from the hands-free speaker is not broken
- 4If the connectors and wire are sound, have a workshop with diagnostic equipment fault-trace the phone system
Symptoms you may notice2
- Hands-free mode does not work
- A message on the instrument panel says hands-free mode is not working
General guidance for car owners. Diagnosis on the car can point to a different cause.