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Home >> Volvo >> 2009 >> XC70 Base >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Phone Module (PHM) And Subwoofer (Sub) Module Diagnostic Trouble Codes >> PHM-U201A51 Control Module Main Calibration Data. System Programming Failures. Not Programmed (2009-12) >> Fault-Tracing >> Checking Software

Checking Software

If the local configuration file is missing from the Phone module (PHM), the vehicle information, which is sent to the Volvo On Call Service Center, when a Volvo On Call service is activated, contains incorrect information.

Remedy this by downloading new software into the Phone module (PHM).

Fig 1: Identifying Control Module
GLL163991Courtesy of VOLVO CARS CORPORATION