TachoSoft is a professional-grade digital odometer calculation tool used by automotive technicians to adjust mileage data during instrument cluster repairs or replacements.

The specific version has become a highly sought-after tool. Often referred to in forums as the "holy grail" of tachograph software, version 259 is praised for its stability and compatibility with a wide range of digital tachographs, including Stoneridge, VDO (Siemens), and Actia.

: Tells you exactly where to find the mileage data, which is essential for manual hex editing.

While users often search for the older or mythical "259" version, the latest, most robust version widely used and supported in 2026 is TachoSoft 23.1

The (specifically version 23.1 , which is the most recent stable release as of 2025/2026) is a specialized automotive tool used by technicians to calculate and correct digital odometer values . Key Features

TachoSoft 23.1 Mileage Calculator - калькулятор пробега