2016 Buick EnvisionFACTORY OEM SERVICE PROCEDURE

Programming an Existing or New Control Module

To program an existing or new control module, perform the following procedure:

  1. Install the special tool:<sptool><sptool-no>EL-49642</sptool-no><sptool-desc>SPS Programming Support Tool</sptool-desc></sptool>
  2. Ignition - On / Vehicle - In Service Mode
  3. Access SPS and follow the on-screen instructions for the control module:K33 HVAC Control Module
  4. Perform the SPS function:Programming
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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

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