Conditions for Setting the DTC: P0756
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
SS2 is commanded ON and PS2 remains OFF for 5 to 12 seconds depending on the transmission fluid temperature.