Circuit Description
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
The instrument panel cluster (IPC) illuminates the traction control indicator during the IPC bulb check. The BCM receives a serial data message from the EBCM to illuminate the traction control indicator when a malfunction is detected. The IPC receives a serial data message from the BCM illuminate the traction control indicator.