Reprogram Control Module
WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. 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:
- Ignition/Vehicle OFF.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K157 Video Processing Control Module - Programming and follow the on-screen instructions.
- Clear DTCs.
- Calibrate Vehicle Processing Control Module. Refer to: Video Processing Control Module Calibration