Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PHM-B117904

Condition
The Phone module (PHM) checks the integrated GSM/GPRS unit.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The control signal has incorrect value.
The control module's test for the diagnostic trouble code (DTC) starts when:
- The Phone module (PHM) cannot communicate with the integrated GSM/GPRS unit.

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]
- Volvo On Call/Other Volvo On Call problems
- Volvo On Call/Does not work
- Cellular phone/Other cellular phone problems
- Cellular phone/Does not work
- Cellular phone/Other party cannot be heard/Unsure when/at all times
- Cellular phone/Other party cannot hear/Unsure when/at all times
- Text window and warning symbol/Text message