2016 Buick EnvisionFACTORY OEM SERVICE PROCEDURE

Replace and Program Control Module or Reprogram Control Module

WARNING: This page is about a different car, the 2015 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.

To program a replacement or existing control module, 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. NOTE:

    On vehicles equipped with Electronic Suspension Control, it may be necessary to perform the Electronic Suspension Position Sensor Trim Height Calibration procedure before programming the K26 Headlamp Control Module.

  3. On the SPS Supported Controllers screen, select K26 Headlamp Control Module - Programming and follow the on-screen instructions.
  4. On the SPS Supported Controllers screen, select K26 Headlamp Control Module - Setup while following the on-screen instructions.
  5. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
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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.