VOLVO
PHM-5611 - Telephone antenna Signal too low
System
Phone Module (PHM)
Volvo models this fault code applies to
Applies to the following models:
6 modelsC30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013), XC90 (2003–)
What does this fault code mean?
The carphone control module (PHM) checks the voltage on the telephone antenna and sets the code when it is too low. The cause is that the cable between the antenna and the control module is short-circuited to ground. Reception then gets worse, and Volvo On Call may have problems.
Possible causes
- The cable between the antenna and the carphone control module (PHM) is short-circuited to ground
What you can do
- 1Check that the fuses for the telephone system are intact
- 2Check that the connectors at the antenna and the carphone control module (PHM) are secure and free from corrosion
- 3Once the connectors are checked, use a multimeter to see whether the antenna cable touches ground (the body)
- 4Have a workshop check the antenna and cable and correct the fault
Symptoms you may notice4
- Poor reception or coverage on the mobile phone
- Other mobile phone problems
- Other Volvo On Call problems
- A text message appears together with a warning symbol
General guidance for car owners. Diagnosis on the car can point to a different cause.