Replace and Program Control Module or Reprogram Control Module
WARNING: This page is about a different car, the 2023 GMC Hummer EV. However, it is still accessible from the selected car via links, so may be relevant.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K212 Gear Shift Control Module - Programming and follow the on-screen instructions.
- Clear DTCs.
- If DTCs U1962 and U1972 set, perform Serial Data Authentication Configuration procedure: Serial Data Authentication Configuration .
- All OK.