Rough Country Speedometer Calibrator (fits) 2004-2014 F150 | Error Code Reader | 90006


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  • Resets your speedometer to accurate readings for larger tires. Reads diagnostic codes like “check engine light”
  • Easy Plug and Play connection with Option to return to stock settings
  • Updates OE ECM Shift Points to accommodate larger tires
  • Recalibrates Electronic Stability Control to work with larger tires
  • Backed by Rough Country for 1 Year

Product information


Technical Details

Technical Specification

Additional Information

Warranty & Support

Warranty, Parts:1 YearWarranty, Labor:Manufacturer Warrants Parts Only.

Product Warranty: For warranty information about this product, please click here


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Important information

Legal Disclaimer

It is ultimately the buyer’s responsibility to have all bolts/nuts checked for tightness after the first 500 miles, and then again every 1,000 miles. Wheel alignment, steering system, suspension, and driveline systems must be inspected by a qualified, professional mechanic at least every 3,000 miles.

Seller Warranty Description

HARD SUSPENSION COMPONENTS: Limited Lifetime Replacement. LEAF & COIL SPRINGS: 5 Year Limited. SHOCKS & STABILIZERS: 3 Year Limited. BUSHINGS, BALL JOINTS, ETC: 1 Year Limited. WINCHES: 1 Year Electrical. 2 Mechanical. LED LIGHTS: 3 Year Limited. JEEP WRANGLER JK ARMOR: Limited Lifetime. TONNEAU COVERS: Limited Lifetime. BED MATS: Limited Lifetime. FENDER FLARES: 3 Year Limited. NERF STEPS: Limited Lifetime. SOFT TOPS: 3 Year Limited. WHEEL WELL LINERS: Limited Lifetime.

Product description


Put the finishing touch on your lifted vehicle with Rough Country’s 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 minutes your speedometer reads true again! Rough Country’s Speedometer Calibration Devices don’t 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 device can also easily read and check all diagnostic codes to help you manage check engine light and service needed messages, and also includes a function to reset the speedometer back to stock prior to servicing the vehicle. Includes a 1-Year Warranty.

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