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Home >> Chevrolet >> 2014 >> Trax LS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> Actuator Recalibration >> HVAC Control Module Replacement
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HVAC Control Module Replacement

WARNING: This page is about a different car, the 2013 Chevrolet Trax and 2013 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

When replacing the HVAC control module it will be necessary to allow the HVAC control module to perform a calibration process. When installing the HVAC control module be sure to perform the following:

NOTE:

Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted, improper HVAC performance will result.

  1. Place the ignition switch to the OFF position.
  2. Disconnect the scan tool.
  3. Install the HVAC control module.
  4. Connect all previously disconnected components.
  5. Start the vehicle
  6. Wait 40 s for the HVAC control module to self-calibrate.
  7. Operate system and verify that no DTCs have set as current DTCs.
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