Action Taken When the DTC Sets

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The Service 4 Wheel Steer indicator in IPC will be displayed.
The code is displayed on the scan tool as DTC C0000.
The output to the motor is ramped down slowly and held.
The rear wheels will return to the centered position.