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Home >> Volvo >> 2008 >> XC70 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Phone Module (PHM) And Subwoofer (Sub) Module Diagnostic Trouble Codes >> PHM-U300049: Control Module. System Internal Failures. Internal Electronic Failure (2009-12) >> Diagnostic Trouble Code (DTC) Information PHM-U300049
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Diagnostic Trouble Code (DTC) Information PHM-U300049

Condition 

The Phone module (PHM) communicates with the internal GPS receiver in the Phone module (PHM).

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

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

Fig 1: Identifying Control Module
GLL163991Courtesy of VOLVO CARS CORPORATION
NOTE: The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.

Substitute Value 

Possible Source 

Fault symptom[s]