Asleep & Awake Functions
WARNING: This page is about a different car, the 2000 GMC Yukon, 2000 Chevrolet Tahoe, 2000 Chevrolet Pickup, and 2000 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
After ignition switch is turned off and 20 minutes elapse without any wake up signals, Body Control Module (BCM) enters an asleep state and goes into low power mode. Wake up signals turn BCM on to begin controlling and/or monitoring of certain functions. BCM wake-up inputs are as follows:
- Dome light.
- Door ajar switches.
- Door handle switches.
- Ignition key put into ignition switch.
- Ignition key removed from ignition switch.
- Interior light request active.
- Ignition turned on.
- Key in door lock switch.
- Liftgate jamb switch
- Liftgate release switch.
- Parking lights.
- Power door lock switches.
- Remote transmitter request to BCM.