Using a Scan Tool
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- Key ON, engine OFF.
- Select the Module Setup heading on the scan tool, under transfer case control module.
- Select the Range Actuator Learn procedure.
- When the Range Actuator Learn procedure is initiated you should hear the motor engage, indicating a successful learn procedure.