Smarty UDC Tuning for MM3 Hardware

Features:

• Real-time tune switching while driving
• Compatible with 2013-2017 RAM 6.7L Cummins
• Fully custom UDC tuning from DuramaxTuner
• Direct J1939 engine connection for fast communication
• Ultra-fast ECM download speeds
• 4.3" color touch display with high resolution
• Twin CPU design for unmatched tuning speed
• Fastest PID refresh rate in the industry
• Supports TPMS threshold adjustments
• Audio and visual alerts for engine parameters
• Includes micro SD card for easy tune updates
• Stores and manages multiple custom tune files

Take Control Of Your Cummins Like Never Before

If you’ve ever wanted your 6.7L Cummins to feel more responsive, more customizable, and more dialed in to the way you actually drive, the Smarty UDC Tuning for MM3 hardware is the upgrade that brings it all together. This system gives you the freedom to switch tunes in real time, letting you adapt instantly whether you’re towing a trailer, cruising the highway, or keeping things mellow around town. The bright 4.3 inch touch display makes navigating your settings easy, and the interface feels natural even if you’re new to tuning. The MM3 platform wakes up your truck with faster communication, quicker adjustments, and smoother drivability, all while giving you more insight into how your Cummins is performing. It starts up almost instantly and responds quickly to your inputs, making it feel like a modern, performance focused upgrade rather than a complicated tuning tool. You can load multiple custom tunes, store them on the included micro SD card, and switch between them without shutting the truck off. It’s a great choice for anyone who wants their RAM to feel more alive without giving up the convenience and reliability of stock functionality.

Precision Tuning With The Fastest Hardware In Its Class

The MM3 tuner paired with DuramaxTuner’s UDC custom tuning offers one of the most advanced tuning solutions available for 2013-2017 RAM 2500 and 3500 models. Its direct J1939 connection links straight into the engine, delivering extremely fast communication and allowing the system to refresh PIDs quicker than nearly anything else on the market. The twin CPU design gives the unit the power to process data, switch screens, and flash tunes with exceptional speed, cutting ECM download times to nearly a third of what older tuners required. The 4.3 inch color display provides clear engine readings and supports adjustable alarms for both high and low parameter ranges, making it easier to monitor critical information during towing or performance use. Because it accepts a micro SD card, storing and updating multiple custom files becomes simple, even when working with advanced calibrations. It also supports TPMS threshold adjustments and integrates smoothly with additional sensors like an EGT probe for more precise monitoring. For drivers who want deep control, rapid response, and a platform that’s built for long term tuning flexibility, this system offers a highly capable foundation for serious customization.

Fitment: 2013, 2014, 2015, 2016, 2017 RAM 2500/3500 6.7L Cummins

Notes:

• Compatible with 2013-2017 RAM 2500/3500 6.7L Cummins
• Requires MM3 hardware for installation and operation
• Supports real-time tune switching while driving
• Direct J1939 engine connection for faster communication
• Micro SD card included for tune storage and updates
• Allows TPMS threshold adjustments for aftermarket tires
• Display features configurable audio and visual alerts
• Recommended to pair with MM3 EGT probe for safety
• Extremely fast ECM download and PID refresh rates
• Ideal for users wanting multiple custom tunes
• Not a standalone tuner, must be paired with MM3