Home › Volvo › 2006 › V50 Base, 2.4 39 › Repair and Diagnosis (Single Page) › Accessories & Equipment › Entertainment Systems › Global Positioning System (GPS), Phone Module (PHM), Subwoofer Module (Sub) And Traffic Message Channel Module (TMC) Diagnostic Trouble Codes › PHM-1A54: Control Module Incorrect Software (2009-2011) › Incorrect Software