VOLVO
PHM-1A54 - Control module Incorrect software
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 version of its local configuration file, and the code is set when the file is the wrong version. The fault is software related and sits in the control module. The mobile phone may work poorly, and Volvo On Call may have other problems.
Possible causes
- The local configuration file is the wrong version
What you can do
- 1Read and note the code before clearing it
- 2Restart the car and see whether the code comes back
- 3Have a workshop download the correct software version into the carphone control module (PHM) and confirm the configuration file matches
Symptoms you may notice3
- The mobile phone works poorly
- Other Volvo On Call problems
- A text message appears with a warning symbol
General guidance for car owners. Diagnosis on the car can point to a different cause.