2017-2023 L5P Unlocked E41 ECM

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  • Regular price $800.00
Tax included. Shipping calculated at checkout.


E41 ECM Unlock, Programming, & Tuning Services

Whether you need a blank unlocked ECM, a replacement ECM programmed to your vehicle, or a complete plug-and-play tuned ECM, we have an option to fit your needs.

ECM Options

New, Blank ECM, Unlocked Only

  • Brand new E41 ECM

  • Unlocked and ready for programming

  • Not programmed to any vehicle

  • No tuning included

New ECM, Programmed & Unlocked

  • Brand new E41 ECM

  • Programmed to your vehicle's VIN and factory calibration

  • Unlocked for future tuning

  • No custom tuning included

New ECM, Programmed, Unlocked & Tuned

  • Brand new E41 ECM

  • Programmed to your vehicle

  • Unlocked

  • Loaded with the custom tune of your choice prior to shipment

  • Ready to install upon arrival

Stock ECM Unlock Service

  • Send in your factory E41 ECM to be unlocked

  • Ideal for customers using EZ Lynk tuning, primarily 2017–2018 L5P Duramax applications

  • Your original ECM will be unlocked and returned ready for use with your preferred tuning platform

Future Tune Changes

The New ECM, Programmed, Unlocked & Tuned option includes one custom calibration loaded before shipment.

If you decide to change power levels, switch tunes, modify your truck, or require a new custom calibration in the future, a VIN Relicensing Fee will be required before a new tune can be generated and loaded. This fee is required by the tuning platform and applies to future calibration changes.

Important Information

  • Vehicle information is required before any programming or tuning can be completed.

  • Customers selecting the Stock ECM Unlock Service must ship their factory ECM to our facility.

  • Turnaround time begins once your ECM is received.

  • All ECMs are programmed specifically for the vehicle information provided at the time of purchase.