Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Ensure that the transmission fluid level is at the proper level by performing the Transmission Fluid Check .
Drive the vehicle while observing the Trans. Fluid Temp. parameter on the scan tool. The Trans. Fluid Temp. parameter should rise by 3°C (5°F) or more.