Calibrate Liftgate
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 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.