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Home › Volvo › 2012 › C70 › Repair and Diagnosis › Accessories & Equipment › Entertainment Systems › Phone Module, Subwoofer Module, GPS Module, And Traffic Message Channel Module - Diagnostic Trouble Codes › PHM-6915: Handset Hook Signal Too High/Signal Missing (2009-2013) › Fault-Tracing

PHM-6915: Handset Hook Signal Too High/Signal Missing (2009-2013): Fault-Tracing

see FAULT-TRACING 

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