2017-2023 Chevy L5P E41 Unlock Tool
Unlock / ECM

2017-2023 Chevy L5P E41 Unlock Tool

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$249.99
Need help? Use Shop Parts for individual items, open the Kit Builder for a complete setup, or contact us before ordering.
Product Info

Product Info

2017-2023 Chevy L5P E41 Unlock Tool is organized to make fitment, included components, and ordering details easier to confirm.

Confirm the listed year, make, model, engine, and any truck-specific configuration before purchasing. The exact contents and fitment depend on the options selected on this product page.

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 their2017+ Chevy Silverado/GMC Sierra 6.6L Duramaxin 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 “Replace ECM” function

From start to finish, you can upgrade your E41 ECM in roughly20 minutes—all you need is this upgrade kit, your MPVI2+ (with Pro Feature Set) orMPVI4device (with its suppliedUSB A to C cable), and a VCM Suite-compliant computer with the latest version ofVCM Suite BETA. Once the ECM is upgraded, experience the industry’s most comprehensive diagnostics and tuning package using VCM Suite with full scan, data log, read, edit, and write capabilities. Plus, experience the quickest write times in the industry—approximately 6 minutes!

Fitment and Options

Options on this page are tied to real Shopify variants. Unavailable combinations are disabled automatically, and the cart receives the exact selected variant.

Shipping

Shipping options and delivery times are shown at checkout. Fast air shipping may be available at checkout. Some tuning, custom-order, and VIN-matched items may require extra processing time.

Returns

Electrical, tuning, special-order, and used/installed items may have special return limits. Contact support before ordering if you are unsure.

Fast air shipping Available at checkout when the order and address qualify.
1 yr limited warranty Coverage applies to tuning and software items according to the order details.
Sales assistance Use Shop Parts, the Kit Builder, VIN checks, and modification notes to get the right setup.
Safe payment Secure online payment is handled through Shopify checkout.
Unlimited Diesels

Built to help you order the right diesel setup.

1Select the exact product options that match your truck.
2For tuners, tunes, and bundles, verify the VIN and add modification notes.
3Add matching support parts below the product when they are needed.
4Review the cart, then checkout with the exact selected variants.