Reprogram Control Module
WARNING: This page is about a different car, the 2023 GMC Sierra 1500. However, it is still accessible from the selected car via links, so may be relevant.
Do not reprogram the lighting control module, unless directed by a service procedure, or a service bulletin.
To reprogram 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 K219 Lighting Control Module.
- On the SPS Supported Controllers screen, under Select Function/Sequence, select Programming and follow on screen instructions.
- Clear All DTCs.