Description

Speedo Calibrator - Gas - Chevy/GMC 2500HD/3500HD (17-18) 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 vehicle's 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 vehicle's 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 vehicle's 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 Gcheck engine light" and Gservice needed" messages and also 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 Fits gas & diesel models (except 17-19 2500/3500) Easy Plug and Play connection Updates OE ECM Shift Points to accommodate larger tires Recalibrates Electronic Stability Control

• Specifications

  • Install Time:5-10 minutes
  • Title:Rough Country Speedometer Calibrator - Gas - Chevy GMC 2500HD 3500HD (17-18)

• Product Fits

  • Chevrolet Silverado 2500 HD 2017-2018
  • Chevrolet Silverado 3500 HD 2017-2018
  • GMC Sierra 2500 HD 2017-2018
  • GMC Sierra 3500 HD 2017-2018

• Documents and Manuals

  • Quick+Install+guide+consolidated.pdf