Conditions for Setting the DTC: P0796
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
The TCM detects an incorrect on-coming clutch gear ratio, or flare, when the low and reverse/4-5-6 clutch is commanded ON and the transmission input shaft speed is 100 RPM or greater from the anticipated input shaft speed for 2.25 seconds.