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Description
Duramax LMM/LML/L5P EZ LYNK Tunes Package (2007.5-2023)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. 52023. 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
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 |
- 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: Is the EZ LYNK system compatible with PTO-equipped trucks?
A: No. Tuning support is not available for trucks equipped with PTO units.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.0 ★★★★★
Based on 1471 reviews
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Product Reviews
★★★★★ 4
The series as a whole so far 5/25
Format: Kindle
I read reviews before going into this book and I don't agree with one of the more harsh ones on the main trigger she had. It is stated clearly in the forward and it wasn't as blase as it was made out to be. It definitely is touched on more and hasn't just been brushed off as the series goes
I definitely would recommend reading it. It's a good series just be for-warned
I like the series as a whole. The characters are awesome I adore the fmc shes cute and adorable but also a badass. Though there are a bunch of holes for her that I feel like just got left out.
The guys are interesting and shout out to yall for not making Gage a dragon. I'm tired of the broody ones who don't wanna talk aboit what they are being Dragons. Ki is my favorite
You can definitely tell if is written by 2 different people though because the phrasing just doesn't match up and wouldn't be something people that age says. And it flip flops between them.
I feel like there's substance without substance. We are 4 books in and we don't really know much back story on literally anyone more than right under surface deep.
There are definitely favorite MMCs which is kind of disappointing since some get shoved to the wayside. Specifically both of the best friends. They're basically useless and it's made obvious as the books go on. As well as all the men are ungodly self deprecating.
I enjoy the plot line for the most part like I said I enjoy the series its different and refreshing.
I do feel like the series is being dragged out though unfortunately. And the latest cliff hanger was just meh. So hopefully the next book is the last one.
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Reviewed in the United States on May 8, 2025
★★★★★ 5
Wow!
Format: Kindle
This book was awesome! Seraphina and her family have moved to a new town. Her family is a bit... odd. She grew up learning how to protect herself from people who might hurt her. Bloodshed is a daily occurrence with her brothers and parents during their practice sessions, and it’s all fun and games unless you need to hide a body.
Sera’s family is very close, and she’s been homeschooled most of her life. But in this new town she is going to start regular school as a senior at the local high school. Unfortunately, things at her school aren’t all they seem to be. Or perhaps more than they seem to be. Sera has her own demons to deal with, and she’s terrified her new friends will learn about her weird family and other issues and drop her like a rock. It turns out they have their own secrets as well.
This story ends on a bit of a cliffhanger and I can’t wait to read the next one! This book is well written and well edited. The heroine is spunky and has a great heart and wicked sense of humor.
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Reviewed in the United States on November 12, 2021
★★★★★ 5
Great start
Format: Kindle
I loved this book! It's funny but still deals with tough themes, like chronic illness, a serial killer on the loose, and a dash of self-harm. The guys are interesting and distinct, we don't know too much about them yet. It does end on a really terrible cliffhanger but on the bright side the next book is out and I believe the series is complete. I have enjoyed both of these authors separately and this is a great team up!
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Reviewed in the United States on May 2, 2025
★★★★★ 4
Fudge!
Format: Kindle
Titles aren’t my strong suit. Sorry not sorry.
That ending has me completely frustrated book two isn’t out yet. Just throwing that out there.
First thing first, this is a high school book where the lead is under 18. Yea yea she’s about month from being an adult, but I can’t say I would’ve even opened the file if I’d realized. It’s not a smut fest or anything, but there is sexual tension as each party figures out their emotions.
That being said, it’s a good book. There are some troubling parts, like how the supes come into their powers at 13, but most of those are dealt with in a way that makes sense. Kian is the exception. His whole arc pisses me off, especially since no one stepped in. Reflecting back on real world situations, ten or so years ago, I can see it happening, but it still makes me sick. Which, I’m sure was the whole damn point.
For the most part, Courting Darkness is a fun read. I found myself laughing along with most of the set up. By the time it started getting serious, I’d grown to like the characters enough it held an impact.
I’ll be adding book two to my list for when it comes out.
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Reviewed in the United States on March 8, 2022
★★★★★ 5
Intriguing
Format: Kindle
An intriguing story that played out slowly while introducing some unique characters. The story became quite fascinating to read as these same characters provided startling revelations to their lives. As their relationships evolve, more drama and mystery is revealed adding to my fascination. I can’t wait to read more.
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Reviewed in the United States on May 27, 2026