Hypertech Speedometer Recalibration Device (Jeep Wrangler JL 18-23, Gladiator JT 20-23, Ram 1500, 2500 19-23)

The Hypertech Speedometer Calibrator can correct your speedometer for non-stock tires and/or gear ratios. The simple on-screen menu quickly guides you through the process, and in a matter of minutes the vehicle's computer is reprogrammed for accurate readings.

If you’ve installed tires that are larger or smaller than original equipment tires, or if you have installed a ring and pinion gear set with a different rear gear ratio, the Max Energy Spectrum allows you to re-program for correct speedometer readings, as well as correct part-throttle shifting. The vehicle’s computer calculates your vehicle’s speed based on the diameter of the stock tires. If you’ve installed taller or shorter tires, or changed the rear gear ratio, the vehicle’s computer doesn’t know how fast your vehicle is going. As a result, the automatic transmission may not shift correctly and the speedometer readings will not be accurate (as required by law).

The Hypertech Speedometer Calibrator can correct your speedometer for non-stock tires and/or gear ratios. The simple on-screen menu quickly guides you through the process, and in a matter of minutes the vehicle's computer is reprogrammed for accurate readings.

Maverick note: While the unit itself is plug and play, the instrument cluster and many trims around it are required to be removed to access the installation point. We highly recommend fitment by a licenced Auto Electrician to avoid any possible damage to your vehicle or systems.