Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Liftgate Calibration Procedure




Liftgate Calibration (Except Avalanche and EXT Escalade)

Important: To ensure proper calibration of the liftgate, the liftgate assembly must be at room temperature during calibration.


Conditions

Use this procedure after replacing, repairing, or disassembling any portion of the power liftgate assembly.

Calibrate Liftgate

1. Connect the Tech 2 to the vehicle.
2. Select Special Functions in the Liftgate Module menu.
3. Select LGM Open/Close Test.
4. Follow the on screen instructions.