2022 Buick Encore AWDFACTORY OEM SERVICE PROCEDURE

Reprogram Control Module after Transmission Repair/Replacement

WARNING: This page is about a different car, the 2022 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.

To program an existing K71 Transmission Control Module, after a transmission repair/replacement, perform the following procedure:

  1. Install EL-49642  SPS programming support tool.
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. Perform the SPS Transmission Control Module programming event. Choose one of the following screen prompts:
    • Select Transmission Control Module - MCVM Operations, and follow the on-screen instructions. This will update the Solenoid Characterization data only.
    • Select Transmission Control Module - Programming and follow the on-screen instructions. This will update the TCM calibration and the Solenoid Valve Characterization data.
  4. Perform the Vehicle Setup, follow the on screen instructions.
  5. With a scan tool, clear DTCs from the K71 Transmission Control Module.
  6. Ignition OFF for 2 minutes.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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