Programming an Existing or New Control Module
WARNING: This page is about a different car, the 2022 GMC Savana 3500, 2022 GMC Savana 2500, 2022 Chevrolet Express 3500, and 2022 Chevrolet Express 2500. 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:
NOTE:
High underhood temperatures may prevent programming of the control module. Allow sufficient time for the engine to cool before proceeding.
- Ignition - On / Vehicle - In Service Mode
- Access SPS and follow the on-screen instructions for the control module: K34 Glow Plug Control Module