EZ LYNK Tune Packages: Quick View EZ LYNK tune packages help Ram Cummins, Ford Powerstroke, GM Duramax, and select Nissan Titan diesel owners manage diagnostics, live data, custom tune files, and technician support through the Auto Agent 3 device and EZ LYNK app. They are built for buyers who want the correct package for their truck platform, less fitment confusion, fewer back-and-forth shop visits, and a smoother installation plan. Browse EZ LYNK Packages Before You Order EZ LYNK FAQ Why Buy from SPELAB What Is EZ LYNK? EZ LYNK is a connected diesel tuning and diagnostics platform that links the truck, driver, and technician through one system. Instead of relying only on in-person shop visits or manual file transfers, EZ LYNK uses the Auto Agent device, mobile app, and cloud connection to simplify diagnostics, data sharing, and supported tune delivery. For diesel owners, the platform can support several important jobs: reading and clearing Diagnostic Trouble Codes (DTCs), viewing live vehicle data, recording data logs, sharing diagnostic information with a technician, and receiving supported updates remotely through a wireless connection. EZ LYNK is also written as EZLYNK , ez link , or AutoAgent — these all refer to the same cloud-connected diesel tuning platform and Auto Agent 3 device. What Is the EZ LYNK Auto Agent 3? The Auto Agent 3 is the hardware device that connects the EZ LYNK ecosystem to the truck. It plugs into the OBD-II port, pairs with the EZ LYNK mobile app, and acts as the access point for diagnostics, cloud-based communication, and supported tune-related workflows. In practical terms, Auto Agent 3 is what makes the platform usable on the vehicle. It allows the truck to send live data, access app-based functions through Wi-Fi, and communicate with a technician when support or file management is needed. What Comes in an EZ LYNK Tune Package? An EZ LYNK tune package may include the Auto Agent 3 device, supported custom tune access, diagnostics, live data monitoring, and remote technician communication, depending on the selected product option. Always check the product page before ordering to confirm whether the package includes device hardware, custom tune files, platform-specific support, or other required steps. Optional Heavy-Duty OBDII Diagnostic Cable Some installations benefit from a more secure diagnostic connection — especially cab & chassis trucks, medium-duty Ram applications, and other HD configurations. The EZ LYNK heavy-duty OBDII diagnostic cable provides a stable link between the Auto Agent 3 and the vehicle's OBD-II port for these demanding setups. It is offered as an optional add-on; confirm availability and fitment on the product page or with SPELAB support before ordering. EZ LYNK Package Summary Key details to check before choosing an EZ LYNK tune package Platform Ram Cummins, Ford Powerstroke, GM Duramax, and select Nissan Titan diesel applications Hardware EZ LYNK Auto Agent 3 device, depending on the selected product option Main Functions Diagnostics, live data monitoring, data logging, remote technician communication, and supported tune-related workflows Before Ordering Confirm model year, engine, pickup or cab & chassis configuration, current modifications, and tuning requirements Important Limits Custom tunes are non-refundable, tuning files require lead time, and PTO units are not supported Why Diesel Owners Choose EZ LYNK Cloud-connected workflow instead of old-style manual file handling Live vehicle data monitoring through the EZ LYNK app Remote technician support for troubleshooting and file management Read and clear Diagnostic Trouble Codes (DTCs) Wireless access through the truck's OBD-II connection and mobile app Useful for pickup owners, cab & chassis trucks, and some commercial diesel applications How EZ LYNK Auto Agent 3 Works Plug the Auto Agent 3 device into the truck's OBD-II port. Install the EZ LYNK mobile app on a supported iOS or Android device. Connect through Wi-Fi and verify vehicle communication. Access diagnostics, view live data, share logs, and manage supported tune-related functions through the EZ LYNK platform. App and device requirements can change over time, so check the latest EZ LYNK app requirements and product page details before setup. Some applications may also reference browser-based access through the EZ LYNK web portal. View EZ LYNK Installation Instructions Using Your Auto Agent 3 Day to Day The Auto Agent 3 plugs into your truck's OBD-II port and connects to the EZ LYNK app over Wi-Fi. It does not need to stay connected all the time — it only needs to be plugged in while you're using it, for diagnostics, live data, data logging, or loading and switching tunes. It can be unplugged for normal driving, and unplugging it when the truck is parked avoids drawing on the battery. No permanent mount is required. Most owners keep the device in the OBD-II port or within easy reach while using it, and store it when not in use. Once your tune files are available on the platform, you can select and load tunes through the EZ LYNK app, and if your tune supports Shift-on-the-Fly, you can switch between supported power levels without reloading. The EZ LYNK app runs on iOS 12+ and Android 8+ devices and works directly on your phone rather than through Android Auto or Apple CarPlay. If the app won't connect, make sure the ignition is on, the device is fully seated in the OBD-II port, and your phone's Wi-Fi is enabled. For a factory reset or a Wi-Fi password reset, follow EZ LYNK's official in-app reset steps or contact support. CAN Commands, Secure Idle & Shift-on-the-Fly Beyond diagnostics and tune delivery, EZ LYNK supports several platform features. CAN commands are custom commands a technician can build into a tune so you can trigger supported vehicle functions from the EZ LYNK app — what's available depends on your truck's platform and the technician who built your file. Secure Idle lets the engine keep running while the truck is locked with the key removed, which is useful on work trucks to keep equipment, climate control, or accessories powered while the vehicle stays secured. Shift-on-the-Fly (SOTF) lets you change between supported power levels while driving, without reflashing — often selected with a switch, such as a 5-position switch that selects among up to five levels. Availability of these features depends on your platform and tune. Using One Device on Multiple Trucks The Auto Agent 3 hardware can be moved between vehicles, but tune files are vehicle-specific and tied to your VIN. Driving a different truck generally requires a tune file built for that vehicle, and some platforms also require additional unlocks. Confirm with your technician or SPELAB before planning to share one device across multiple trucks. EZ LYNK Packages Available at SPELAB EZ LYNK Tune Package for Dodge Ram 5.0L/6.7L Diesel 2010-2021 This package is built for Ram diesel owners who want a connected tuning and diagnostics workflow for 6.7L Cummins applications, while also covering select Nissan Titan diesel fitments. It is especially relevant for customers who want an EZ LYNK package for pickup and medium-duty Ram platforms, including certain 4500 and 5500 work-truck applications. Best For Ram 2500, 3500, 4500, and 5500 diesel owners, plus select Nissan Titan diesel owners, looking for cloud-based tuning access, real-time diagnostics, and remote technician support. Fitment 2010-2021 Ram 2500/3500 6.7L Cummins Diesel 2012-2021 Ram 4500/5500 6.7L Cummins Diesel (Cab & Chassis) 2016-2019 Nissan Titan XD 5.0L Cummins Diesel What Stands Out Covers both Ram 6.7L diesel pickups and select medium-duty work-truck applications Also includes Nissan Titan 5.0L diesel coverage within the same product family Positioned for Cummins owners who want easier remote support and data sharing with a technician EZ LYNK Tune Package for 2008-2025 Ford 3.0L/6.4L/6.7L Powerstroke F250 F350 F450 F550 This is the broadest Ford diesel package in the current collection, covering multiple Powerstroke generations, pickup applications, cab & chassis trucks, and even the 3.0L Powerstroke F150. It is a strong fit for buyers who need wide year-range coverage and detailed fitment across work-truck and pickup configurations. Best For Ford diesel owners shopping for an EZ LYNK package for 6.4L Powerstroke, 6.7L Powerstroke, or 3.0L Powerstroke applications, including F-Series pickups and cab & chassis models. Fitment 6.4L Powerstroke (2008-2010): Ford F250, F350, and F350 Cab & Chassis 6.7L Powerstroke (2011-2025): Ford F250, F350, F450 pickups, plus F350, F450, and F550 Cab & Chassis applications 3.0L Powerstroke (2018-2019): Ford F150 Diesel What Stands Out Widest year and engine coverage in the current EZ LYNK collection Includes both pickup and cab & chassis Powerstroke applications Also covers 3.0L Powerstroke F150 fitment, making it broader than a typical Super Duty-only listing EZ LYNK Tune Package for 2011-2023 GM 6.6L Duramax LML/L5P 2500HD 3500HD This package is focused on late-model GM HD diesel trucks and is organized around the two major 6.6L Duramax platforms in the current listing: LML and L5P. It is a straightforward option for Silverado and Sierra HD owners who want a connected diagnostics and remote tune-management workflow without sorting through unrelated GM applications. Best For Chevrolet Silverado HD and GMC Sierra HD owners running 6.6L Duramax LML or L5P engines who want an EZ LYNK package built specifically around 2500HD and 3500HD platforms. Fitment 2011-2016 Chevrolet Silverado / GMC Sierra 2500HD 3500HD 6.6L Duramax LML 2017-2023 Chevrolet Silverado / GMC Sierra 2500HD 3500HD 6.6L Duramax L5P What Stands Out Clearly split between LML and L5P generations for easier GM fitment matching Focused on 2500HD and 3500HD trucks rather than a wider mixed GM diesel list Well suited for buyers who want a simple, platform-specific starting point for GM HD diesel applications Which EZ LYNK Package Should You Choose? Choose an EZ LYNK package by diesel platform Choose This Package Best Match Check Before Ordering Ram / Nissan Package 6.7L Ram Cummins diesel trucks and supported Nissan Titan XD 5.0L Cummins applications Confirm pickup vs cab & chassis fitment, model year, and current modifications. Ford Package 6.4L, 6.7L, or 3.0L Powerstroke applications, including F-Series pickups and cab & chassis trucks Confirm engine size, year range, F-Series model, and whether the truck uses PTO equipment. GM Package Chevrolet Silverado HD or GMC Sierra HD with 6.6L Duramax LML or L5P engines Confirm LML vs L5P generation, model year, and 2500HD or 3500HD fitment. If the truck has a cab & chassis configuration, medium-duty use, PTO equipment, previous tuning, or other application-specific details, confirm fitment before ordering. That step matters most when the vehicle is not a standard pickup configuration. Before You Order an EZ LYNK Tune Package Confirm your truck's year, engine, model, and pickup or cab & chassis configuration. Check whether the selected package includes the Auto Agent 3 device, custom tune files, or both. Be ready to provide vehicle details, current modifications, and any required technician information after ordering. Do not install or change delete-related hardware before tuning files are ready. If your truck uses PTO equipment, confirm compatibility before purchase because current tuning does not support PTO units. Emissions Compliance Notice: Some EZ LYNK tune packages and delete-related tuning options are intended only for off-road, racing, competition, or closed-course applications. They are not intended for use on registered street vehicles where emissions equipment is required. Important Ordering Notes All tunes are custom and non-refundable under any circumstances. EZ LYNK tuning files require 7-10 business days to create. Do not make hardware changes before tuning files are ready. Tuning does not support PTO units. Import fees may apply on some orders. If that happens, accept the delivery and contact SPELAB at service@spelabautoparts.com for assistance. Warranty, Data & Platform Availability Aftermarket tuning can affect factory powertrain warranty coverage — a dealer may decline a claim for a failure they attribute to the tune. Review your vehicle's warranty terms before tuning, and note that custom tune files are non-refundable. EZ LYNK uses vehicle data — such as VIN, diagnostic data, and logs — to deliver tune files and support, and shares the relevant data with the technician you choose. Review EZ LYNK's official privacy policy for full details on how data is handled. EZ LYNK / Auto Agent 3 is an active platform, and SPELAB currently offers the Auto Agent 3 tune packages for Ram, Ford, GM, and select Nissan diesel applications — contact SPELAB to confirm current stock and fitment for your truck. Certain platform operations may use tokens (platform licensing/credits); check with your technician or EZ LYNK for current details.
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