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  • Windows Laptop running Windows 8.1 or greater.

  • For Mac Users:
    Windows 10 running on Mac via Bootcamp
    Windows 10 running on Mac via Parallels (Catalina OS or newer required, Parallels version 16 or newer required).

  • Laptop and Vehicle battery must be fully charged.
  • Approximately 25 minutes of your time.
  • Internet connection required for downloading drivers and calibration files.

Step 1: Download Calibration Files

If you purchased through trifectaperformance.com, your calibration file(s) will be written and posted to your Downloads area. You must be logged in in order to view your files (once available).

Example of file available in Downloads:


If you did not purchase through trifectaperformance.com, please contact your reseller for more information.

Step 2: Download EZ Flash

EZ Flash 1.40.x.x - For calibration files ending in 'TRTX'


Step 3: Run the EZ Flash Installer

Video Demonstrating EZ Flash Install

  • Cable drivers are automatically installed/updated
  • EZ Flash is accessible via the Start Menu or by double-clicking your TRTX file

Step 4: Connect Flash Loader to OBD2 port and Laptop USB Port


Ensure the vehicle is in Service Mode by holding the 'Start|Stop' button for approximately 10 seconds until the LED on the button turns GREEN, or by inserting the key and turning it all the way to the Run position with your foot off the brake.

Step 5: Launch EZ Flash from the Start Menu


  • EZ Flash is accessible via the Start Menu or by double-clicking your TRTX file
  • Proceed to Step 6.

Step 6: Program the vehicle

Note:  If you were provided with more than one TRTX file, only flash the one file that is named according to your desired options or modifications.



Should your vehicle or laptop lose power, or connection from the vehicle be interrupted:

99% of the time, your ECM is NOT damaged, "fried", or "bricked", and you may simply re-try the flash after ensuring your vehicle and laptop batteries are fully charged per EZ Flash Requirements


Problems connecting to vehicle:

If you're using a laptop with Windows 8.1 or higher you, you may need to download .Net 3.5 - https://www.microsoft.com/en-us/download/details.aspx?id=21

After .Net is installed you might have to manually enable it - https://docs.microsoft.com/en-us/dotnet/framework/install/dotnet-35-windows-10


  • Manual Transmission Vehicles: The progress indicator will reach 100% and display 'Module Writing Completed'

  • Automatic Transmission Vehicles: The progress bar MAY proceed to 100%, and start over, depending on the application. Please let it run until it displays 'Module Writing Completed'
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