Diagnostic Trouble Code (DTC) Information PHM-006B

Condition 

Fig 1: Identifying Phone Module (PHM

Courtesy of VOLVO CARS CORPORATION

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

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 control module.

Fault symptom[s] 

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