Replace and Program Control Module or Reprogram Control Module
WARNING: This page is about a different car, the 2021 Chevrolet Tahoe and 2021 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
To program a replacement or an existing control module, perform the following procedure:
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, under Select Controller, select A26 Heater and Air Conditioning User Interface Control - Front.
- On the SPS Supported Controllers screen, under Select Function / Sequence, select Programming and follow the on-screen instructions.
- Clear DTCs