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Home >> Volvo >> 2012 >> XC90 Base, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Modules - Design And Function >> Engine Control Module (ECM) (B6324S; 2007-2010) >> Design >> Transmission Control Module (TCM)

Transmission Control Module (TCM)

The engine control module (ECM) uses a directly connected signal from the transmission control module (TCM) in the start function (activating the starter motor).

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