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Line 1: A '''Powertrain Control Module''', abbreviated '''PCM''', is an [[automotive industry\|automotive]] component, an [[electronic control unit]] (ECU), used on [[motor vehicle]]s. It is generally a combined [[control unit]], consisting of the [[engine control unit]] (also known as an ECU) and the [[transmission control unit]]. It commonly controls more than 5 factors in the car or truck. how does it work ?? ==References==

Powertrain control module: Difference between revisions