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Home >> GMC >> 2000 >> Yukon Denali >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Modules >> Operation >> Battery Rundown Protection

Battery Rundown Protection

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BCM helps to prevent inadvertent battery rundown from situations such as courtesy lights left on. The BCM will turn off courtesy light circuit after ignition has been off for 40 minutes and no light request input has been received.