Speedometer Calibrator for Ram 2500 Diesel (2006–2017)
- Fits 2006–2010 Dodge Ram 2500 and 2011–2017 Ram 2500, 4WD or RWD — diesel engines only, no gas applications
- Standalone unit: not compatible with any performance programmer, and locked to one vehicle until that vehicle is returned to stock
- Recalibrates speedometer, OE shift points, and electronic stability control for larger tires; reads diagnostic codes
- Plug-in connection, 5-10 minutes install time — downloadable installation guide available
- Not for sale or use in California; 1 Year Limited Warranty; shipping weight: 2.0 lb
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Gas models
ONLY fits diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers once programmed the programmer is locked to that vehicle and cannot be used with any other vehicles until the programmed vehicle is returned to stock settings. Fitment on this page is based on the manufacturer’s application data.
About this part
Speedometer Calibrator, fitment-checked
Rough Country 90008 is a speedometer calibrator for 2006–2010 Dodge Ram 2500 and 2011–2017 Ram 2500 trucks in 4WD or RWD, diesel engines only. It corrects speedometer readings after a larger tire swap and plugs into the truck without cutting or splicing. Not for sale or use in California. Carries a 1 Year Limited Warranty.
This speedometer calibrator for the 2006–2010 Dodge Ram 2500 and 2011–2017 Ram 2500 diesel, 4WD or RWD, brings the gauge back in line after larger tires go on. It also updates factory ECM shift points and electronic stability control for the new tire size, reads stored trouble codes such as a check engine light, and can restore the truck to stock settings. Gas engines are not supported, and the unit will not work alongside a performance programmer. It locks to one vehicle at a time and stays locked until that truck is returned to stock. Estimated install time is 5-10 minutes.
Specifications
Specs
| Brand | Rough Country |
| Part number | 90008 |
| UPC / GTIN | 00843030152048 |
| Shipping weight | 2 lb |
| Warranty | 1 Year Limited Warranty |
| Country of origin | US |
| Category | Performance › Tuners & Monitors |
| Installation guide | Downloadable PDF |
Why buy here