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Programming an Existing or New Control Module

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. 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: K71 Transmission Control Module
    1. Select - Programming
    2. Select - MCVM Operations - If applicable
    3. Ignition/Vehicle - Off - For greater than 2 min
    4. 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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