The TOPDON TopScan Master features built-in TopFix AI. This tool provides full-system diagnostics, bi-directional control, and over 30 service functions. It supports modern protocols like DoIP and CAN-FD, covering over 120 brands. AutoVIN, fast reporting, and gateway access aim to keep the workflow running smoothly. TopFix AI explains issues to users, linking to known solutions, and supporting diagnoses with diagrams, service procedures, and technical notes. Offers likely causes to the user, as well as verified fixes, and step-by-step guidance based on real repair data.