Conditions for Setting the DTC

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Opens, short to ground, or voltage on the analog signal circuits.
The calculated steering angle from the steering angle sensor does not correlate with the steering angle calculated from the yaw rate.