Rough Country Inline Speedometer Calibrator (14-21 Tundra)

More Accurate Speedometer Readings. If you install larger tires to your truck, this often leads to inaccurate speedometer readings. To fix this problem and have your speedometer yield true and accurate readings, install this Rough Country Inline Speedometer Calibrator. With this tool, you can easily reprogram your vehicle’s speedometer, so it can match the output of your larger tires.

Updates Your Vehicle’s ECU. Aside from reprograming your truck’s speedometer, this inline speedometer calibrator helps update your vehicle’s ECU. With an updated ECU, you’ll be able to ensure accurate shift points and proper electronic stability control to accommodate larger tires.

Easy Plug-and-Play Installation. This inline speedometer calibrator is easy to install. It is designed to connect directly to your vehicle’s diagnostic link connector port using the supplied USB update cable. Within a few minutes, your truck’s speedometer will then display accurate readings.

Backed by a 1-Year Warranty. For your assurance, Rough Country is backing this calibrator tool with a 1-year warranty. If it fails or breaks within the covered period, you may file a warranty claim. For the fast processing of your warranty claim, please comply with the warranty terms and conditions.

Application. This Rough Country Inline Speedometer Calibrator is engineered to fit 2014-2021 Toyota Tundra models.

CA Residents:  WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov