Calibrate Liftgate
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the Tech 2 to the vehicle.
- Select Special Functions in the Liftgate Module menu.
- Select LGM Open/Close Test.
- Follow the on screen instructions.