Using the calculator effectively requires an (like a UPA-USB or Xprog) to read the data from the vehicle's instrument cluster.

TachoSoft will display the hex string (e.g., EE 02 ). Open your original .bin file in a hex editor and replace the existing values at the specified address with the new ones.

The is a cornerstone tool for automotive technicians and DIY enthusiasts specializing in digital odometer correction. While the software has since evolved into newer versions like 23.1, version 21.5 remains a popular, stable choice for managing and calculating mileage data across thousands of vehicle models. What is TachoSoft Mileage Calculator 21.5?

A simple dropdown menu allows you to select the car make, model, and year to find the correct algorithm quickly.

Open the application and select your specific vehicle model.