Diagnostic Trouble Code (DTC) Information PHM-U1A5096

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