Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PHM-0030

Condition




The diagnostic trouble code (DTC) is stored if the phone module (PHM) detects that the capacity of the internal reserve battery is too low. The reserve battery is in the phone module (PHM). The reserve battery is used when a Volvo On Call service is connected and the phone module (PHM) does not have access to the power supply from the main battery.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on (not key position 3) and when the battery voltage is between 9-16 V. The diagnostic trouble code (DTC) can only be diagnosed for a phone module (PHM) with Volvo On Call functionality.

Substitute value
- None.

Possible source
- The capacity of the internal reserve battery is too low.

Fault symptom[s]
- Volvo On Call/Does not work
- Text window and warning symbol/Text message