Idle State
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The CTD system will be in the idle state when the ignition switch is in the RUN position and any door is open. The BCM will request the security telltale to remain OFF.