Conditions for Setting the DTC

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The ECM determines that the difference between the TC desired vane position and the actual TC vane position exceed a calibrated threshold during a valid learn event.
The above condition is present for 30 seconds.