6.6L & 3.0L Duramax EZ LYNK Tune Package | LML, L5P & LM2 | Chevy & GMC | 2011–2023
Type: Tuners
Regular price
$1,287.99
Tune Compatibility
Add EZ Lynk ?
Tune Type
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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.
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While we ship with all required USMCA/CUSMA paperwork, U.S. Customs or carriers may still apply duties or fees at delivery. For details, see U.S. Customs & Border Protection
Shipping
We strive to provide fast and reliable shipping options for all our customers. For detailed information about our shipping rates, delivery times, and policies, please visit our Shipping Page.
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.
6.6L & 3.0L Duramax EZ LYNK Tune Package | LML, L5P & LM2 | Chevy & GMC | 2011–2023
Regular price
$1,287.99
Vehicle Fitment
Expand a make and model below to view the listed years, engine and fitment restrictions for the selected product option.
Loading vehicle fitment…
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"title": "GM Duramax LML Pickup (2011-2014) \/ Yes add an EZ Lynk device \/ SOTF Calibration",
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"applications": [{
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"make": "GM",
"model": "Silverado 2500",
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"notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required."
},
{
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"make": "GM",
"model": "Silverado 3500",
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"notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required."
},
{
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"make": "GM",
"model": "Sierra 2500",
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},
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"model": "Sierra 3500",
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Questions and answers
Can’t find your answer? Ask us about this product.
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