Many antivirus programs flag these drivers as a "false positive" because of the nature of the software. It is often recommended to disable anti-virus software temporarily during the installation process. System Compatibility
For the tool to work, you must manually point Windows to the driver files rather than letting it search automatically. Connect the Interface : Plug your OBD interface into a free USB port on your PC. Manual Search : When Windows prompts for new hardware, select "Browse my computer for drivers" Point to Directory vag tacho 3.01 driver download
Websites like or Snappy Driver Installer offer curated driver packs that include the correct Prolific driver for older hardware. Use these with caution and deselect any bundled software. Many antivirus programs flag these drivers as a
VAG Tacho 3.01 is a diagnostic software tool designed specifically to communicate with the dashboard (instrument cluster) of VAG vehicles, including: Connect the Interface : Plug your OBD interface
Reading time: 8 minutes
If you are on Windows 10 or 11, you may need to disable this in the "Startup Settings" to allow the older, unsigned drivers to install. Manual Update: Plug the cable into your PC. Open Device Manager .