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Home >> Buick >> 2016 >> Encore Base, FWD >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC P15A3: Stop/Start Select Switch Circuit Signal Message Counter >> Circuit/System Description

Circuit/System Description

The engine control module (ECM) receives the stop/start switch speed signal via serial data from the body control module (BCM).