Tachosoft 23.1 ((link)) Download -

Version 23.1 is not the latest release (as of 2025, version 24.x or 25.x is current). To update:

Because modern ECUs utilize protected CAN bus systems, a standard OBD-II scanner often cannot perform the deep-level writing required; physical access to memory chips is frequently necessary. How to Use TachoSoft 23.1 Tachosoft 23.1 Download

Contact your account manager or support@[company].com. Version 23

| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | “Missing DLL: MSVCP140.dll” | Missing Visual C++ Redistributable | Install VC++ 2015-2022 from Microsoft. | | “Chart database corrupt” | Interrupted download | Re-download and reinstall. | | “License server unreachable” | Firewall blocking port 4430 | Add Tachosoft.exe to Windows Defender whitelist. | | “GPS COM port not found” | Driver conflict | Use a USB-to-Serial adapter with Prolific chipset. | | Error Message | Likely Cause | Solution