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Home >> Buick >> 2001 >> Century Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting Systems >> Diagnostic Information and Procedures >> DTC B2559: Courtesy Lamp Ground Circuit >> Circuit Description

Circuit Description

The Body Control Module (BCM) receives an active ground from the courtesy lamp ground circuit. The sole purpose of this input is to provide a ground path for all courtesy lamp current flowing through the courtesy lamp low control circuit.

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