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 MANUALSCHEVROLET2000S10/T10 P/U 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONCIRCUIT DESCRIPTIONWAKE-UP STATE
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN W
Wake-Up State
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN WSECTION Wake-Up State
The BCM performs the BCM functions in the wake-up state. The BCM enters the sleep state when the active control or monitoring of system malfunctions has stopped, or when the BCM is idling. The BCM must detect certain wake-up inputs before entering the wake-up state. The BCM monitors the BCM inputs during the sleep state, allowing the BCM to switch between the two states. The BCM wake-ups are as follows:
^ Door ajar switches
^ Door handle switches
^ Dome lamp
^ Park lamps
^ Power door lock switches
^ Interior lamp request active
^ Ignition key put into the ignition switch
^ Ignition key removed from the ignition switch
^ Ignition in the RUN position
^ key in door lock switch
^ RFA request to the BCM
^ Any Class 2 communication requiring BCM interaction.
^ Door ajar switches
^ Door handle switches
^ Dome lamp
^ Park lamps
^ Power door lock switches
^ Interior lamp request active
^ Ignition key put into the ignition switch
^ Ignition key removed from the ignition switch
^ Ignition in the RUN position
^ key in door lock switch
^ RFA request to the BCM
^ Any Class 2 communication requiring BCM interaction.
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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.