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Home >> Volvo >> 2007 >> S60 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Accessories Control Systems >> Control Modules - Design And Function - 2 Of 4 >> Phone Module (PHM) (2001-2009) >> Diagnostic Functions >> Diagnostic Trouble Codes (DTCs)
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Diagnostic Trouble Codes (DTCs)

A diagnostic trouble code (DTC) is stored if the control module detects a fault. There are approximately 18 diagnostic trouble codes (DTCs) for standard carphones, approximately 25 for carphones with Volvo On Call / Volvo On Call Plus (USA). A fault which is detected in the most recent operating cycle is defined as permanent. Other faults which are detected are defined as intermittent.