Conditions for Setting the DTC

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. 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.