• For Off-Road Use Only
    EZ Lynk Tuner for GM Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)
  • For Off-Road Use Only
    EZ Lynk Tuner Duramax EZ LYNK LMM/LML/L5P Tune Package (2007.5-2023)
  • For Off-Road Use Only
    EZ Lynk Duramax LMM/LML/L5P SOTF Tune Package (2007.5-2023)
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Duramax LMM/LML/L5P EZ LYNK Tunes Package (2007.5-2023)

Sku: DT-EZ-TUNE-G07-UP-SINGLE-FULL-T

This product fits:

2007.5-2010 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (LMM)
2011-2014 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (LML)
2011-2014 Chevrolet Silverado/GMC Sierra 3500HD Cab & Chassis (LML)
2015-2016 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (LML)
2017-2019 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (L5P)
2020-2021 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (L5P)
2022-2023 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (L5P)
$1,199.99
-0%
Shipping calculated at checkout.
Tune Compatibility: GM Duramax LMM Pickup (2007.5-2010)
Add EZ Lynk ?: Yes add an EZ Lynk device
Tune Type: Single Calibration

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Notification for the incorrect product/variant will be listed here.

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Within the device vehicle info section, look for the value with the text containing "14C204":
HC3A-14C204-ABH

Once you receive the device, please contact us with your serial number, VIN, and ECU strategy so we can create the custom tunes and send it to you for tuning your vehicle.

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Black Bandit Series 3 material image
T304 Stainless Steel

The Purest Stainless Steel used in Exhaust System Manufacturing

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High Rust Resistance

Lasts up to 20+ years icon

Lasts Up To 20+ years

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Looks Better

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T409 Stainless Steel

The Standard Stainless Steel used in Exhaust System Manufacturing

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Low Rust Resistance

Lasts up to 20+ years icon

Lasts Up To 5-8 Years

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Looks Dull

Attention

A 2022 Cummins Tune Package was added to your cart. This tune is a beta tune that may cause the following:

  • Low power
  • Poor fuel mileage
  • Engine codes that may appear
  • Poor shifting characteristics

For a tested and proven tune, please view our Ram Cummins 6.7L All-in-One DPF/DEF/EGR Delete Kit w/ECM Swap (2022-2024)

Attention

You have added a product to your cart that requires the Service. This required additional service is NOT included in the price shown on TunerDepot.com. This means that you will be required to pay for the Service in addition to the product you have just added to the cart.

Overview

The GM Duramax EZ LYNK Tune Package provides a simple, cloud-connected tuning and diagnostic solution for LMM, LML, L5P and LM2 Duramax engines from 2007.5–2023. Using the EZ LYNK AutoAgent 3, technicians can install performance tunes, monitor live engine data, and receive remote support from a tuner without needing a laptop or handheld programmer. Everything runs through the EZ LYNK mobile app and cloud platform, making Duramax tuning faster and easier to manage.

Compatibility

  • Years: 2007.5–2023
  • Makes: Chevrolet, GMC
  • Engines: LMM 6.6L Duramax, LML 6.6L Duramax, L5P 6.6L Duramax, LM2 3.0L Duramax
Engine Compatible Vehicles Years
6.6L Duramax LMM Chevrolet Silverado 2500HD / 3500HD, GMC Sierra 2500HD / 3500HD 2007.5–2010
6.6L Duramax LML Chevrolet Silverado 2500HD / 3500HD, GMC Sierra 2500HD / 3500HD 2011–2016
6.6L Duramax LML Chevrolet Silverado 3500HD Cab & Chassis 2011–2014
6.6L Duramax L5P Chevrolet Silverado 2500HD / 3500HD, GMC Sierra 2500HD / 3500HD 2017–2023
3.0L Duramax LM2 Chevrolet Silverado 1500, GMC Sierra 1500 2019–2022
  • Important (L5P 2017–2018): Requires a GM E41 ECM unlock service or an unlocked ECM before tuning.
  • LM2 Requirement: Truck must use the E46 ECM.
  • Not Compatible With: E66 ECM or Global B electrical architecture (some late 2022 trucks).

Technical Specifications

Specification Detail
Device EZ LYNK AutoAgent 3
Connection OBD2 Plug-in Interface
Communication Wi-Fi connection to EZ LYNK mobile app
Mobile App Support iOS 12.0+ and Android 8.0+
Tune Delivery Cloud-based remote tune installation
Diagnostics Real-time data monitoring and logging
DTC Support Read and clear diagnostic trouble codes
Updates Over-the-air firmware and calibration updates

Key Features & Build Details

  • Plug-and-Play AutoAgent 3 – Connects directly to the truck’s OBD2 port and creates a wireless link with the EZ LYNK mobile app for tuning and diagnostics.
  • Cloud-Based Tune Management – Tuners can remotely send calibrations, updates, and troubleshooting assistance through the EZ LYNK cloud platform.
  • Built-In Diagnostic Scanner – Allows users to read and clear DTC codes, monitor engine sensors, and record data logs for troubleshooting.
  • Live Engine Data Monitoring – View real-time parameters such as boost, fuel pressure, temperatures, and load directly from a smartphone or tablet.
  • Switch-On-The-Fly (SOTF) Support – 2017–2023 L5P trucks use factory steering wheel buttons to switch power levels without installing an external switch.
  • VIN-Locked Calibration Security – Tune files are synced through the cloud and locked to the vehicle VIN for calibration protection.
  • Fleet Monitoring Capability – Supports multiple users and vehicles for remote logging, diagnostics, and maintenance tracking.

Performance Benefits

  • Remote Tuning Access – Allows technicians to install or update tune files without sending the truck to a tuning shop.
  • Improved Diagnostics – Live monitoring and data logging help identify issues with sensors, fuel system performance, or engine operation.
  • Clean Installation – No wiring or additional modules required beyond the AutoAgent connected to the OBD2 port.
  • Flexible Tune Switching – Supports multiple calibrations such as tow tunes, economy tuning, or higher power levels depending on the tuner.
  • Reduced Downtime – Remote troubleshooting helps resolve issues faster without repeated shop visits.

Installation Notes

Installation takes about one minute. Plug the EZ LYNK AutoAgent 3 into the truck’s OBD2 port, download the EZ LYNK mobile app, and connect through Wi-Fi to begin the setup. For 2017–2018 L5P Duramax trucks, the ECM must be unlocked before tuning files can be installed.

Frequently Asked Questions

Q: Do I need a laptop to use the EZ LYNK system?
A: No. All tuning, diagnostics, and data monitoring are handled through the EZ LYNK mobile app using a smartphone or tablet.

Q: Can a tuner send updated tunes remotely?
A: Yes. The EZ LYNK cloud platform allows technicians to send updated tune files, review logs, and provide troubleshooting support remotely.

Q: Do L5P trucks need a switch for changing power levels?
A: No. 2017–2023 L5P trucks use the factory steering-wheel controls for Switch-On-The-Fly tuning.

Q: Does this system work with all 3.0L Duramax trucks?
A: It fits 2019–2022 Silverado and Sierra 1500 trucks with the LM2 3.0L Duramax using the E46 ECM. It does not work with trucks using the E66 ECM or Global B electrical architecture.

Q: Is the EZ LYNK system compatible with PTO-equipped trucks?
A: No. Tuning support is not available for trucks equipped with PTO units.

Important Product Information

Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.

Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.

Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Unless specified differently on the product page, our parts do not include installation instructions. They are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.

Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.

No Liability: Tuner Depot is not responsible for any damage or issues that may arise from the use of these parts.

Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.

No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.

Shipping Policy at Tuner Depot

At Tuner Depot, we understand the importance of timely delivery for your performance parts. We're committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.

Our Shipping Policy: Our aim is to dispatch all orders within two business days, providing you with a quick and efficient processing time. However, unforeseen circumstances beyond our control may occasionally impact shipping times.
Factors Affecting Shipping:
  • Weather Conditions: Adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We will make every effort to minimize any delays.
  • Holiday Periods: Please note that our shipping center will be closed during holidays. We will resume shipping promptly on the next business day. Allow for potential delays during peak seasons, but rest assured, we will keep you informed every step of the way.
  • Staff Availability: Unforeseen circumstances can occasionally affect our staffing levels, possibly leading to minor delays. We are committed to swiftly resolving any issues to maintain our high standards of service.
We genuinely appreciate your understanding and patience during any unexpected obstacles. Be assured that we will utilize every resource available to deliver your performance parts promptly.