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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B255D: Passenger Compartment Lamp Control 2 Circuit >> Circuit/System Description

Circuit/System Description

The body control module (BCM) supplies battery voltage to front door flood lamps via the flood lamp control circuit. When a door is opened the BCM applies battery voltage to the flood lamp control circuit illuminating the driver and passenger door pocket flood lamps. The flood lamps will remain illuminated until all doors are closed and the ignition is OFF.

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