Diagnostic Trouble Code (DTC) Information PHM-0100

Condition 

Phone module (PHM) compares its configuration with the vehicle configuration stored in the Central electronic module (CEM).

The diagnostic trouble code (DTC) is stored if the control module detects that:

• Vehicle configuration from Central electronic module (CEM) is incorrect.

The control module's test for the diagnostic trouble code (DTC) starts in the event of:

• Reading off parameters.

Fig 1: Identifying Phone Module (PHM)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• None.

Possible Source 

• Incorrect configuration parameter.
• Fault-trace in transmitting control module.

Fault symptom[s] 

• Cellular phone/Other cellular phone problems
• Volvo On Call/Other Volvo On Call problems
• Cellular phone/Does not work