Replace and Program ECU or Reprogram ECU

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. 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 .