Home >> Volvo >> 2011 >> V50 T-5 R-Design >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Global Positioning System (GPS), Phone Module (PHM), Subwoofer Module (Sub) And Traffic Message Channel Module (TMC) Diagnostic Trouble Codes >> Sub-0004: Control Module. Internal Fault (2005-2008) >> Internal Fault