Checking The Function Of The Phone Module (PHM)

For further information about the fuse and terminal pin numbers, see the appropriate service information.

Check that the phone module (PHM) is supplied with power and grounded by switching on the infotainment system and then pressing the carphone button.

A request for a telephone number must appear in the infotainment display.

Fig 1: Identifying Control Module

Courtesy of VOLVO CARS CORPORATION

Is the message displayed? 

• YES 

  Refer to CHECKING COMMUNICATION WITH THE PHONE MODULE (PHM) 

• NO 

  Refer to CHECKING THE POWER SUPPLY AND GROUND FOR THE PHONE MODULE (PHM)