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SKU: S-03
Smarty 98.5-02 Dodge Ram Cummins 5.9L Diesel S-03 Tuner
The Smarty S-03 Tuner delivers the most advanced and reliable tuning platform for 1998.5–2002 Dodge Ram 2500/3500 Cummins 5.9L 24V trucks, featuring CaTCHER software with ten selectable performance levels up to +100 HP that provides instant torque gains and improved fuel economy through optimized fuel maps, timing, and boost control, outperforming stock ECM calibrations or basic flash tuners with the fastest download speeds in the industry (under 3 minutes) and no-trace stock mode for warranty-safe returns. Engineered specifically for the 5.9L VP44 Common Rail engine, this handheld device offers ABS tire height recalibration up to 44 inches, DTC reading/erasing in plain English, and programmable speed limiter from 25 to 250 MPH, ensuring seamless integration without footprints across automatic or manual transmissions. With cold weather 3-cylinder high idle enabled in all tunes and compatibility with OEM hardware, it equips truck owners with a durable tool that enhances towing performance, throttle response, and overall drivability better than generic programmers, all backed by Smarty's reputation for high-performance diesel tuning.
Key Features
- Ten Performance Levels: From fuel saver to full CaTCHER tunes for customizable power
- CaTCHER Software: Smarty's proprietary tuning for maximum safe gains and economy
- Fastest ECM Flash: Updates in under 3 minutes, up to three times faster than competitors
- ABS Tire Height Recalibration: Adjusts up to 44 inches in seconds
- DTC Read/Erase: Displays and clears codes in plain English
- No-Trace Stock Mode: Returns to undetectable factory settings
- Programmable Speed Limiter: Set from 25 to 250 MPH for 2001–2002 models
Product Notes
- Direct OBD-II plug-in for 1998.5–2002 Ram 2500/3500 5.9L 24V Cummins only
- For off-road or competition use, not emissions-legal for street vehicles
- Cold weather 3-cylinder high idle enabled in all tunes
- Compatible with automatic/manual transmissions, works with OEM hardware
- Warranty: Mads Electronics 1-year hardware, lifetime software warranty
- Shipping: Standard ground, includes protective case
Installation Notes
- Plug into OBD-II port under dash, turn key on without starting engine
- Select performance level on device, follow on-screen prompts for flash
- Recalibrate tire size if needed, erase any pending DTCs
- Drive normally, no mechanical modifications required
- Tools required: None, est. time: 3–5 min
This Part Fits
| Year | Make | Model | Engine |
|---|---|---|---|
| 1998.5–2002 | Dodge/Ram | 2500/3500 | 5.9L Cummins 24V |
What's Included in the Purchase
- Smarty S-03 Handheld Tuner
- OBD-II Connection Cable
- Quick Start Guide (PDF)
Part Weight: 1.5 lbs | Shipping Box Dimensions: 8 in × 6 in × 2 in
Why Choose Smarty S-03?
- Ten adjustable levels with CaTCHER software for reliable, safe power gains
- Fastest flash times and no-trace technology for easy warranty compliance
- USA-engineered with diesel-specific diagnostics and updates
Frequently Asked Questions
-
Q: Does it void my warranty?
A: No, no-trace mode returns to stock undetectable by dealers -
Q: Improves fuel economy?
A: Yes, up to 4 MPG better with stock tune -
Q: Works on 2003+ 5.9L?
A: No, S-03 for 1998.5–2002 only, use S-06 for 2003–2007
Shipping & Handling
- Method: Ground shipping, expedited available
- Availability: In stock, ships within 1-2 business days
- Packaging: Protective case with foam inserts
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Smarty
At Smarty, we specialize in performance tuning solutions for diesel trucks. Our products are designed to enhance your vehicle's performance while ensuring compliance with emissions regulations. Please note that: Compatibility: Smarty products are not compatible with trucks that have had any emissions components deleted. Emissions Compliance: Our tuners work only with DPF (Diesel Particulate Filter) and EGR (Exhaust Gas Recirculation) systems fully intact. Legal Notice: Our products are not for sale or street use in California & CARB (California Air Resources Board) states. About Us: We operate under our corporate name ATC Performance, and you will see this name on your packing slips and credit card statements. Located in Helena, Montana, we are proud to be registered in a state with no sales tax, providing you with significant savings on your orders! Why Choose Smarty? Excellent Customer Service: Our dedicated team is here to provide you with the support you need. Qu...
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