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Home >> Volvo >> 2004 >> S40 LSE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Miscellaneous Components - Design And Function (544 Body)) >> Subwoofer Module (Sub) (2004-2008) >> Diagnostic Functions >> VOLVO Diagnostic
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VOLVO Diagnostic

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