Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2000C TAHOE 2WD V8-5.7L VIN RREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONBATTERY RUN DOWN PROTECTION
2000 Chevrolet C Tahoe 2WD V8-5.7L VIN R
Battery Run Down Protection
2000 Chevrolet C Tahoe 2WD V8-5.7L VIN RSECTION Battery Run Down Protection
The battery run down protection provides protection against parasitic loads and excessive battery drain and high current loads related to the courtesy lamp circuit. The battery run down protection will also protect the battery against being run down from the courtesy lamp circuit to the level which will not allow the vehicle to start. The BCM will turn off the courtesy lamp circuit after the ignition switch is turned from the run position to the oft position and 20 minutes (1216 seconds) have elapsed and without a lamp request input. In order to return the BCM to normal operation once the battery run down protection has shut the interior lamps off, the ignition switch is cycled from off position to the on position.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.