Condition 1
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
The TCM commands 1st gear and the gear ratio indicated 2nd gear, 1.48:1-1.65:1. for 2 seconds.
The TCM commands 1st gear with the transmission OSS 160 RPM or greater, the TCC slip speed is -20 RPM or greater, and the gear ratio indicates 4th gear, 0.65:1-1.87:1, for 3 seconds.