VOLVO
PHM-000C - Handset cradle. Signal missing. Intermittent fault (EU/OS)
System
Phone Module (PHM)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
4 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007)
Show models by year and engine (4)
What does this fault code mean?
The fault is intermittent, meaning sporadic, and applies to cars with the EU/OS version. The phone module (PHM) registers that the cradle switch signal is broken, so the handset does not work.
Possible causes
- Open circuit in the cradle signal wiring to the handset
What you can do
- 1With the ignition off, check that the connectors on the handset and on the phone module are secure and free from oxidation
- 2If you find no fault in the wiring, you can try replacing the handset
- 3Look for breaks and chafing in the cradle signal wire, and use a multimeter to check that it is not broken
- 4If the fault remains, have a workshop fault-trace the phone module
Symptoms you may notice2
- The handset does not work
- Message in the text display, for phones with Volvo On Call
What the fault can affect1
- Only hands-free works
General guidance for car owners. Diagnosis on the car can point to a different cause.