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Home >> Volvo >> 2009 >> XC70 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Electrical Modules And Components - Design And Function - 1 Of 5 >> Climate Control Module (CCM) (2008-2012) >> Diagnostic Functions >> Checking The Lin Bus
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Checking The Lin Bus

This function is used to check the components communicating with the climate control module (CCM) via LIN bus 1 and LIN bus 2. A number of diagnostic trouble codes (DTCs) will be stored, depending on the fault, if there is a fault in one of the LIN buses. The LIN buses must be calibrated after downloading new software and after replacing the climate control module (CCM).