Diagnostic Starting Point - Rear Wheel Steering
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.
Begin the system diagnosis with the Diagnostic System Check. Refer to DIAGNOSTIC SYSTEM CHECK - Rear Wheel Steering . The Diagnostic System Check will provide the following information:
- The identification of the control module that commands the system.
- The ability of the control module to communicate through the serial data circuit.
- The identification of any stored diagnostic trouble codes (DTCs) and their status.
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.