GM Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)
GM Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)
GM Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)
GM Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)
GM Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)
GM Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)

6.6L & 3.0L Duramax EZ LYNK Tune Package | LML, L5P & LM2 | Chevy & GMC | 2011–2023

Type: Tuners

Regular price $1,287.99
Sale price $1,287.99 Regular price
Shipping calculated at checkout.
Tune Compatibility
Add EZ Lynk ?
Tune Type

Your Vehicle Information

Optional

VIN and ECM details are optional. If you don’t have them handy, you can provide them after ordering.

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Use the EZ LYNK platform to load compatible JS Speed Diesel tuning, monitor engine data and share logs with your technician. This listing covers the 6.6L LML and L5P options, plus 3.0L LM2 options listed below.

Vehicle fitment

  • GM Duramax LML Pickup (2011-2014)
  • GM Duramax LML Cab & Chassis (2011-2014)
  • GM Duramax LML Pickup (2015-2016)
  • GM Duramax LML Cab & Chassis (2015-2016)
  • GM Duramax L5P Pickup (2017-2019)
  • GM Duramax L5P Pickup (2020-2021)
  • GM Duramax L5P Pickup (2022-2023)
  • 3.0L Duramax LM2 Silverado/Sierra 1500 Pickup (2020–2022), E46 ECM only.

Specifications

Specification Details
Platform EZ LYNK AutoAgent
Device choice With-device or no-device option
Calibration choice Single or SOTF, according to the selected variant
Diagnostics Supported live data, logging and fault-code functions

What is included

  • JS Speed Diesel calibration for the selected vehicle and Single/SOTF option
  • EZ LYNK device only when the add-device option is selected
  • External SOTF switch for the applicable LML selection; L5P SOTF uses steering-wheel controls

Before installation

  • LM2 options require the E46 ECM and exclude E66 ECM or Global B vehicles, including affected late-2022 trucks. Confirm ECM requirements before ordering.
  • Select your exact engine, model-year and body configuration from the available options.
  • The AutoAgent device is included only when the add-device option is selected.
  • Use the EZ LYNK mobile app and a compatible connection to follow the supplied setup instructions.
  • PTO tuning is not supported.
  • 2017–2018 L5P applications need the appropriate E41 unlock or unlocked ECM before tuning.

For off-road or competition use only where permitted. Follow the supplied installation and tuning instructions.

Frequently asked questions

Does every option include an AutoAgent device?

No. Choose the add-device option if you need the hardware. The no-device option requires your own compatible device.

Can I order a year or engine not shown in the options?

This listing covers the selections displayed on the product. Contact JS Speed Diesel for a different configuration before ordering.

Is PTO operation supported?

No. These tuning packages do not support PTO applications.

Which 3.0L Duramax option should I choose?

Select LM2 Pickup (2020-2022) with Single Calibration. Choose whether to add an EZ LYNK device. These options require a compatible E46 ECM and do not cover E66 or Global B vehicles.

SKU:
DT-EZ-TUNE-G11-UP-SOTF-FULL-T
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Return Policies

Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.

Important Notices
  • Off‑Road Use Only
    Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply.
  • Check Local Laws
    Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area.
  • Professional Installation Recommended
    These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions.
  • Warranty Impact
    Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation.
  • Limitation of Liability
    JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products.
  • Product Images
    Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements.
  • No Performance Guarantees
    While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.


View full details
GM Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)
6.6L & 3.0L Duramax EZ LYNK Tune Package | LML, L5P & LM2 | Chevy & GMC | 2011–2023
Regular price $1,287.99
Sale price $1,287.99 Regular price

Vehicle Fitment

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Questions and answers

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6.6L & 3.0L Duramax EZ LYNK Tune Package | LML, L5P & LM2 | Chevy & GMC | 2011–2023
GM Duramax LML Pickup (2011-2014) / Yes add an EZ Lynk device / SOTF Calibration

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