Fitment Notes

• Download the latest software update
• 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.

Put the finishing touch on your lifted vehicle with Rough Countrys Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps you quickly and easily reprogram your vehicles speedometer to match the output of your larger tires.

Your vehicle’s computer is designed to track the speed based on your stock tire height. When upgrading to larger tires, there will be a discrepancy between your actual speed and the readout on your speedometer.

This plug and play device connects directly to your vehicles Diagnostic Link Connector Port and in just a few short hours your speedometer reads true again! Rough Countrys Speedometer Calibration Devices dont just simply change your in-dash readout, they update your vehicles ECM, ensuring accurate shift points and proper electronic stability control.

Finally, you can get an affordable and accurate speedometer calibration with an easy and intuitive setup process! This devicealso includes a function to reset the speedometer back to stock prior to servicing the vehicle. Includes a 1-Year Warranty.

• 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.
• Option to return to stock settings.
• 1-year warranty.