Discover the TOPDON ONE series, a modern diagnostic platform focused on ECU coding, Active Tests, vehicle personalization and AI-assisted diagnostics. It is designed for users who want more than basic fault code reading.
With models such as TOPDON ONE Lite and ONE Plus, this series is ideal for advanced DIY users, coding-focused customers and workshops looking for smarter diagnostic tools.
Vehicle Compatibility & Coverage
Our diagnostic scanners support most petrol and diesel vehicles manufactured from 1996 onwards using standard OBD2 protocols. Software covers over 60+ global car brands, including specialized support for European, Asian, and American models.
*Functions may vary depending on vehicle make, model, year, and installed control units.