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Home >> Volvo >> 2004 >> S40 Base, 1.9 27 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 46 (Electrical Components - Design And Function (544 Body)) >> Climate Control Module (CCM) (2004-2011) >> Diagnostic Functions >> Climate Control Module (CCM) Diagnostic System

Climate Control Module (CCM) Diagnostic System

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The climate control module (CCM) has a built-in diagnostic system which continuously monitors internal functions and input and output signals.