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Home >> Volvo >> 2011 >> S40 T-5 R-Design >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Miscellaneous Components - Design And Function (544 Body) >> Subwoofer Module (Sub) (2004-2008) >> Diagnostic Functions >> VOLVO Diagnostic
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VOLVO Diagnostic

The control module has a built-in diagnostic system, Volvo Diagnostic, which continuously monitors internal functions as well as input and output signals.