FixVault

Programming an Existing or New Control Module

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Sierra 3500 HD, 2018 GMC Sierra 2500 HD, 2018 GMC Sierra 1500, 2018 Chevrolet Silverado 3500 HD, and 2018 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

To program an existing or new control module, perform the following procedure:

  1. Install the special tool: EL-49642  SPS Programming Support Tool
  2. Ignition - On/Vehicle - In Service Mode
  3. Access SPS and follow the on-screen instructions for the control module: K33 HVAC Control Module
  4. Perform the SPS function: Programming