Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PHM-U1A4F96

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:
- An internal fault has occurred.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position I and II.
- Battery voltage between 9 - 16 V.

Substitute value
- None.

Possible source
- Internal fault in the control module.

Fault symptom[s]
- Missing or reduced functionality for Volvo On Call
- Missing or reduced functionality in the phone
- Message in information display