Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PHM-P056004

Condition




The Phone module (PHM) monitors the internal functions of the control module.
The diagnostic trouble code is generated if the control module detects:
- Internal fault in the phone module (PHM).
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition position 0, I and II.
- Battery voltage between 9 - 16 V.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.

Substitute value
- None.

Possible source
- Internal fault in the phone module (PHM).

Fault symptom[s]
- Text window and warning symbol/Text message
- Cellular phone/Does not work
- Volvo On Call/Does not work
- Cellular phone/Other cellular phone problems