Circuit Description
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The EBCM turns OFF the traction off indicator by applying ground to the service traction control signal circuit. When the inverting driver module detects the service traction control signal circuit is open, the inverting driver module applies ground to the traction off indicator control circuit in order to illuminate the traction off indicator.