Diagnostic Trouble Code (DTC) Information PHM-0013

Condition 

Fig 1: Identifying Control Module

Courtesy of VOLVO CARS CORPORATION

The diagnostic trouble code (DTC) is stored if the phone module (PHM) registers an internal fault in the power supply.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on (not key position 3) and when the battery voltage is 9-16 V.

Substitute Value 

• None.

Possible Source 

• Internal fault in the power supply to the phone module (PHM).

Fault symptom[s] 

• No or reduced carphone functionality.
• Message in the text display (applies only to phone modules (PHM) with Volvo On Call).