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Home >> Volvo >> 2012 >> XC90 R-Design, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Electrical Components - Design And Function >> Subwoofer Module (Sub) (2003-2008) >> Diagnostic Functions >> Overview
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Diagnostic Functions: Overview

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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