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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Programming And Setup - All Systems) >> Repair Instructions >> K33 HVAC Control Module : Programming and Setup >> Unsuccessful Programming Recovery
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Unsuccessful Programming Recovery

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

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. Perform the SPS function : Programming

    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. Perform the SPS function : Programming
      • If the programming is not successful - Replace the component : K33 HVAC Control Module
      • Go to next step : If the programming is successful
    4. All OK.
    • Go to next step : If the programming is successful 
  4. All OK..
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