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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting Systems >> Diagnostic Information and Procedures >> DTC B1480: Inadvertent Power Relay >> Circuit Description

Circuit Description

The battery rundown protection function allows the body control module (BCM) to disable the interior lamps 20 minutes after the ignition switch is turned OFF. The BCM monitors the output of the inadvertent power relay and the inadvertent power relay control circuit.

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