GM Duramax L5P – ECM E41 Upgrade & Unlock Kit (2017-2023)
$428.99
For off-road use only
Image is for demonstration purposes only. Actual device may vary in color and branding
E41 L5P Upgrade & Unlock Kit
Conveniently upgrade your E41 ECM, found in the 2017-2023 Chevy Silverado and GMC Sierra 2500/3500 6.6L Duramax trucks (L5P and L5D applications), without removing it from the vehicle. Upgrade your L5P E41 ECM in 20 minutes or less! This ECM upgrade kit enables read, write, and special functions in a specialized computer software using an OBDii Flash Delete Tuning Interface.
The GM E41 ECM Upgrade Kit is only available in the US/Canada at this time.
Upgrade Your E41 ECM Right in the Garage/Shop
The new E41 ECM Upgrade Kit gives DIY enthusiasts and professional tuners a convenient option to perform the ECM upgrade on their 2017-2023 Chevy Silverado/GMC Sierra 6.6L L5P GM Duramax in their own garage/shop. The best part? There’s no need to remove the ECM from the truck. This means there’s no risk of breaking tabs during the removal or reinstallation process.
This kit also doesn’t require any reprogramming or relearns.
- No IMMO relearn
- No crank relearn
- No need to perform the “Replace ECM” function
From start to finish, you can upgrade your E41 ECM in roughly 20 minutes—all you need is this upgrade kit, an OBDii Flash Delete Tuning Interface. (with its supplied USB A to C cable), and the specialized computer software.
Once the ECM is upgraded, experience the industry’s most comprehensive diagnostics and tuning package using a specialized computer software with full scan, data log, read, edit, and write capabilities. Plus, experience the quickest write times in the industry—approximately 6 minutes!
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