SKU: UDC
Smarty UDC (User Defined Catcher) Dongle
The Smarty UDC Dongle unlocks the most advanced custom tuning capabilities for Common Rail Cummins diesel engines, allowing users to modify hundreds of parameters with Smarty’s highest CaTCHER base tune for smoother power delivery and fine-tuned performance that surpasses stock calibrations or basic canned tunes through intuitive PC-based software accessible only via this secure USB key. Designed as an add-on for existing Smarty Jr. (J-06), Sr. (S-06), SSR, or Touch tuners, the dongle enables real-time adjustments to fuel maps, timing, and boost limits while protecting your files from unauthorized reading, providing diesel enthusiasts and shops with a professional-grade tool that simplifies complex tuning without the risks of open-source alternatives. Paired with the downloadable UDC software, it supports unlimited licenses across multiple vehicles when combined with additional VIN dongles, ensuring consistent results and data security for fleet operations or personal builds that demand precision over generic off-the-shelf programmers.
Key Features
- Secure USB Dongle Access: Enables UDC software only when plugged in, preventing unauthorized use or file copying
- Highest CaTCHER Base Tune: Starts with Smarty’s most powerful stock file for minimal adjustments needed
- Custom Parameter Tuning: Modify fuel delivery, timing, rail pressure, and more for tailored engine response
- VIN License Integration: Includes one VIN unlock add S-UDCV dongles for multiple trucks
- PC-Based Software: Download from Mads Electronics site for Windows compatibility and updates
- File Protection: Written tunes cannot be read back, safeguarding your custom work
- Universal Smarty Compatibility: Works with J-06, S-06, SSR, Touch, and MM3 tuners
Product Notes
- Requires existing Smarty tuner does not include hardware or additional VIN licenses
- Demo software available for evaluation full version locked to dongle
- For off-road or competition use only not emissions-compliant for street vehicles
- Pro RT variant available for real-time tuning on Touch/MM3 (separate SKU)
- Warranty: Mads Electronics limited warranty against defects
- Shipping: Standard ground lightweight USB device
Installation Notes
- Download UDC software from Mads Electronics website and insert dongle into USB port
- Connect Smarty tuner to PC via included USB cable update firmware if prompted
- Create VIN-locked base file on tuner, load into software for modifications
- Save custom tune back to tuner no mechanical installation required
- Tools required: PC with Windows, USB ports, est. time: 15-30 min setup
This Part Fits
| Engine | Model Years | Notes |
|---|---|---|
| 5.9L Cummins Common Rail | 2003-2007 | Dodge Ram 2500/3500, Smarty Jr/Sr/SSR |
| 6.7L Cummins Common Rail | 2007.5-2023 | Dodge Ram 2500/3500, Smarty Touch/MM3 |
What’s Included in the Purchase
- 1 x Smarty UDC USB Dongle (with one VIN license)
- USB cable for tuner connection
- Software download instructions
Part Weight: 0.1 lbs | Shipping Box Dimensions: 6 in × 4 in × 1 in
Why Choose Smarty UDC Dongle?
- Simplifies advanced tuning for diesel shops and enthusiasts with secure file protection
- Builds on Smarty’s proven CaTCHER tunes for reliable, customizable power
- USA-supported with free software updates for evolving engine needs
Frequently Asked Questions
- Q: Do I need a Smarty tuner to use this?
A: Yes, required as an add-on works with J-06, S-06, SSR, Touch, or MM3 - Q: How many vehicles can it tune?
A: One VIN included; add S-UDCV dongles for more (one per truck) - Q: Is real-time tuning available?
A: Yes with Pro RT dongle for Touch/MM3 basic UDC for offline file editing
Shipping & Handling
- Method: USPS ground, expedited available
- Availability: In stock, ships within 1-2 business days
- Packaging: Anti-static bag to protect USB dongle





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