Speedometer Calibrator - Chevy/GMC 2WD/4WD
Speedometer Calibrator | Chevy/GMC 1500/2500HD 2WD/4WD
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 also includes a function to reset the speedometer back to stock prior to servicing the vehicle. Includes a 1-year warranty.
Vehicle fitment & tire options
Vehicle fitment
- 2020-2023 GMC Sierra 2500 HD (2WD)
- 2019-2021 Chevy Colorado (4WD)
- 2020-2023 Chevy Silverado 2500 HD (2WD)
- 2019-2021 Chevy Colorado (2WD)
- 2019-2021 GMC Sierra 1500 (2WD)
- 2020-2023 GMC Sierra 2500 HD (4WD)
- 2019-2021 Chevy Silverado 1500 (4WD)
- 2020-2023 Chevy Silverado 2500 HD (4WD)
- 2019-2021 GMC Canyon (4WD)
- 2019-2021 Chevy Silverado 1500 (2WD)
- 2019-2021 GMC Canyon (2WD)
- 2019-2021 GMC Sierra 1500 (4WD)
Features
- Fits gas & diesel 1500 models / gas & diesel 2500/3500 models.
- 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.
Product specifications
Product category: Performance
Manufacturer: Rough Country
Manufacturer part number: 90045
UPC: 843030159559
Country of origin: United States
Dimensions (H × W × L; units not supplied): 2.25 × 5.25 × 8.75
Manufacturer-listed weight: 1.00 lbs
Product notes & installation
Download the latest software update here.
Emissions certifications
Not for sale or use in california. This programmer is designed to function as a standalone unit and is not compatible with any type of performance programmer. 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.Does not fit 2022 refresh models. This kit does not fit 2022 Chevy/GMC refresh models with the below frontend styles.
Estimated installation time: 5-10 minutes
Refund Policy
Returns accepted within 30 days of purchase. Items must be unused, in original packaging, and include proof of purchase. Restocking fees may apply. Non-returnable items: custom orders, electrical parts, and used products. For full details, visit our Refund Policy page.
