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.

The commanded gear is third.
The attained gear slip is equal to or greater than 75 RPM for 2 seconds.
The TFP Switch 5 does not change states after third gear command.