Replace and Program ECU or Reprogram ECU

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 GMC Yukon XL, 2020 GMC Yukon, 2020 Chevrolet Tahoe, 2020 Chevrolet Suburban, and 2020 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

To program a replacement or an existing ECU, perform the following procedure:

Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K83 Park Brake Control Module - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K83 Park Brake Control Module - Setup (OR K83 Park Brake Control Module - Configuration and Setup) and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
With a scan tool, perform the Parking Brake Cable Adjuster Enabling procedure. Refer to Parking Brake Cable Adjuster Enabling (With J71) .