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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B144A: RUN Power Relay Circuit >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

The Body Control Module (BCM) controls the Ignition run relay through the control circuit by applying voltage to the ignition run coil control circuit. The ignition run relay is energized when the ignition is in the ON position, or when a remote start is requested.

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