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Home >> Volvo >> 2002 >> V70 XC >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Bulbs, Control Modules, Charging - Design And Function >> Headlight Control Module (HCM) (2007) >> Diagnostic functions >> General

Diagnostic functions: General

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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.

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