2019 Buick Envision BaseFACTORY OEM SERVICE PROCEDURE

Unsuccessful Programming Recovery

If programming a control module is not successful, perform the following procedure:

  1. Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date.
  2. Ignition - On / Vehicle - In Service Mode
  3. Access SPS and follow the on-screen instructions for the control module: Q8 Control Solenoid Valve Assembly or K71 Transmission Control Module

    Verify the control module programming is successful.

    • If the programming is not successful 
    1. Ignition/Vehicle - Off - For greater than 1 min
    2. Ignition - On / Vehicle - In Service Mode
    3. Access SPS and follow the on-screen instructions for the control module: Q8 Control Solenoid Valve Assembly or K71 Transmission Control Module
      • If the programming is not successful - Replace the component: Q8 Control Solenoid Valve Assembly
      • Go to next step: If the programming is successful
    4. Select: Setup
    5. All OK.
    • Go to next step: If the programming is successful 
  4. Select: Setup
  5. All OK.
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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