Fail Case 2
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
The 1-3 clutch is commanded OFF for 3 seconds and the HPCM detects the 1-3 clutch slip speed is less than 80 RPM for 0.25 seconds, when commanded OFF in EVT 2 mode.