Description
Image is for demonstration purposes only. Actual device may vary in color and branding.
E41 L5P ECM Upgrade & Unlock Kit
Upgrade the E41 ECM in 2017-2023 Chevy Silverado and GMC Sierra 2500/3500 6.6L Duramax trucks (L5P and L5D applications) without removing it from the vehicle. This kit enables read, write, and special functions using specialized software through an OBD2 Flash Tuning Interface, completing the process in 20 minutes or less.
Availability
The GM E41 ECM Upgrade Kit is available in the US and Canada.
Upgrade Your E41 ECM in Your Garage or Shop
This kit allows DIYers and professional tuners to upgrade the ECM on their 2017-2023 Chevy Silverado/GMC Sierra 6.6L L5P GM Duramax in their own garage or shop without removing the ECM, eliminating the risk of damaging tabs during the process.
No reprogramming or relearn procedures are Required
- No IMMO (immobilizer) relearn needed
- No crank relearn required
- No need to perform the “Replace ECM” function
From start to finish, you can complete the upgrade in approximately 20 minutes with the upgrade kit, an OBD2 Flash Tuning Interface (with the included USB A to C cable), and specialized tuning software.
Quick and Efficient Tuning
Once upgraded, experience comprehensive diagnostics and tuning using specialized software with full scanning, data logging, read, edit, and write capabilities. Benefit from the industry’s fastest write times—approximately 6 minutes.
INSTRUCTIONS CAN BE FOUND HERE
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