Put the finishing touch on your lifted vehicle with Rough CountryΓÇÖs Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps you quickly and easily reprogram your vehicleΓÇÖs 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 vehicleΓÇÖs Diagnostic Link Connector Port and in just a few short minutes your speedometer reads true again! Rough CountryΓÇÖs Speedometer Calibration Devices donΓÇÖt just simply change your in-dash readout, they update your vehicleΓÇÖs 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 device can also easily read and check all diagnostic codes to help you manage ΓÇ£check engine lightΓÇ¥ and ΓÇ£service neededΓÇ¥ messages, and also includes a function to reset the speedometer back to stock prior to servicing the vehicle. Includes a 1-Year Warranty.\ 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. Note: Download the latest software update here. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Gas models ONLY. Does NOT fit diesel models. 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. Installation Time: 5-10 minutes Installation Instructions (PDF)
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