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Programming an Existing or New Control Module

WARNING: This page is about a different car, the 2023 GMC Savana 3500, 2023 GMC Savana 2500, 2023 Chevrolet Express 3500, and 2023 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:

  1. Install the special tool: EL-49642 SPS Programming Support Tool
  2. Ignition Off
  3. Access SPS and follow the on-screen instructions for the control module:Select - Q8 Control Solenoid Valve AssemblyorK71 Transmission Control Module
    1. Select - Programming
    2. Ignition/Vehicle - Off - For greater than 2 min
    3. Select - Setup - Follow the on-screen instructions.
  4. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
  5. All OK.
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