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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Control Modules - Design And Function - 3 Of 3 >> Steering Wheel Module (SWM) (1999-2004) >> Diagnostic functions >> General information
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General information

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