Home >> Volvo >> 2011 >> S40 T-5 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Global Positioning System (GPS), Phone Module (PHM), Subwoofer (Sub) Module, Traffic Message Channel (TMC) Module Diagnostic Trouble Codes (544 Body) >> PHM-1A54: Control Module Incorrect Software (2009-2012) >> Incorrect Software