HP Tuners ECM-00-L5P-k L5P E41 ECM Upgrade Kit | 2017-2023 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features: 

• In Vehicle ECM Unlock
• Allows for Emissions Compliant ECM Tuning without Hardware removal or shipping
• Fast 20 minute Unlock Process
• No IMMO relearn
• No crank relearn
• No need to perform Replace ECM function

Manage Your Duramax's Performance

As the brain of your 6.6L Duramax engine, the E41 EMC plays a crucial role into your Chevrolet Silverado's or GMC Sierra's performance. However, the E41 EMC leaves much to be desired. This ECM upgrade kit from HP Tuners allows you to totally transform your engine's performance in just 20 minutes or less. Designed for simplicity, this upgrade enables you to read, write, and access special functions using VCM Suite software. It's fully compatible with both the MPVI2+ (with Pro Feature Set) and the MPVI3 interface, making it easy to integrate into your existing setup. With this upgrade, you'll gain access to advanced engine management features tailored to your specific needs.

Upgrade Your E41 ECM Right in the Garage

The E41 ECM Upgrade Kit gives DIY enthusiasts and professional tuners a convenient option to perform the ECM upgrade on their 2017-2023 Chevy Silverado or GMC Sierra 6.6L Duramax in their own garage. The best part? There's no need to remove the ECM from your truck. All you need is this upgrade kit, your MPVI2+ (with Pro Feature Set) or MPVI3 device (with its supplied USB A to C cable), and a VCM Suite-compliant computer with the latest version of VCM Suite BETA. Additionally, you can take advantage of the lightning-fast write times” approximately just 6 minutes” ensuring minimal downtime while you enhance your truck's performance. With this upgrade, you'll not only optimize your engine management but also elevate your overall driving experience, making it easier than ever to achieve the performance and efficiency you desire.

Fits: 2017, 2018, 2019, 2020, 2021, 2022, 2023 GM Silverado/Sierra 2500/3500HD 6.6L Duramax-Equipped Trucks

Notes:

• Fits 2017–2023 Silverado/Sierra 2500HD & 3500HD with 6.6L Duramax.
• Unlocks the factory E41 ECM in-vehicle, no removal or shipping needed.
• Unlock process takes about 20 minutes with minimal downtime.
• No IMMO relearn, crank relearn, or ECM replacement required.
• Requires MPVI2+ (with Pro Feature Set) or MPVI3 device for use.
• VCM Suite BETA software and compliant computer needed for tuning.
• Supports emissions-compliant tuning while keeping hardware intact.
• Lightning-fast write times, around 6 minutes for most updates.
• Ideal for DIY enthusiasts and professional tuners alike.
• Gives access to advanced engine management features for custom performance.