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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 794 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B1480: Inadvertent Power Relay >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

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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