The Dodge Ram 2500 Speedometer Calibrator by Rough Country is a must-have for diesel vehicle owners from '06 to '10 who have upgraded to larger tires. This easy-to-use device ensures your speedometer accurately displays your vehicle's true speed, eliminating discrepancies and enhancing driving safety.

The Rough Country Speedometer Calibrator connects directly to your vehicle’s Diagnostic Link Connector Port, offering a straightforward plug-and-play setup. In mere minutes, your speedometer will be recalibrated to display the correct speed, factoring in the increased tire size. Unlike other devices that only modify the speedometer readout, this calibrator updates the vehicle's ECM for accurate shift points and recalibrated electronic stability control, enhancing overall driving experience and performance.

Features

• Resets your speedometer to accurate readings for larger tires.
• Easy Plug and Play connection.
• Updates OE ECM shift points to accommodate larger tires.
• Recalibrates electronic stability control to work with larger tires.
• Reads diagnostic codes like “check engine light.”
• Option to return to stock settings.
• 1-year warranty.

This calibrator is designed exclusively for diesel models from 2006 to 2010 and is meant to function as a standalone unit, not compatible with performance programmers. Additionally, it is not available for sale or use in California due to emissions certifications. For any inquiries or more information, feel free to reach out to us directly at 512-982-9393 for our Austin, Texas location or 562-981-6800 for our Los Angeles, California area location. We also offer installation and customization services at both locations to meet your needs.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov