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Speedometer Calibrator Inline | Toyota Tacoma 4WD (2016-2023)
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Features
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 hours 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.
- 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.
Fitment Notes
- Download the latest software update here.
- 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.
FITMENT
Vehicles
Always read all product page details for more important fitment information
Reviews & Questions
Darby S.
Verified Buyer
Speedometer calibrator
Straight forward instillation. Speedometer us +-2mph and shifts gears as it should
Ian T.
Verified Buyer
Works
I'm still trying to figure out how accurate this is, but the install was super easy and there weren't any hiccups.
daniel v.
Verified Buyer
Tacoma Speedo Calibration
When I purchased my Tacoma, it had already been lifted, but the speedo hadn’t been calibrated for the larger tires. Before calibration, at 40mph the local neighborhood speed radar clocked me at 42-43mph. Now it’s dead-on at 40mph. Going down the highway at 69mph on cruise control, the speed radar outside of Cooper, TX clocked me at exactly 69mph on...Read More
Nw C.
Verified Reviewer
2021 Toyota Tacoma TRD Off Road
Speedometer Calibrator installed flawlessly as advertised and took about 30 minutes including updating the firmware and programming the factory tire size and new tire size. Went right out on the main road and then freeway and it was spot on! Thank you Rough Country...
Shannon
Verified Reviewer
Works perfectly
Exactly what I needed after changing tire size on my Tacoma.
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The rough draft
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