Removal Procedure

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Recline the driver's seat back forward and slide the seat forward.
Courtesy of GENERAL MOTORS COMPANY

NOTE:

Some components not shown for graphic clarity.
It is only necessary to pull up on lower drivers side corner of the body rear panel insulator to access the parking assist control module.

Body Rear Panel Insulator (1) - Reposition
Courtesy of GENERAL MOTORS COMPANY

Disconnect the electrical connectors.
Parking Assist Control Module Nut (1) - Remove [2x]
Parking Assist Control Module (2) - Remove