Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PHM-U300044

Condition
The Phone module (PHM) checks the internal components in the control module.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Internal components do not work.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Control module supplied with power.

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
- Damaged phone module (PHM).

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