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AD20 Pro keeps the convenience of a phone-based dongle while adding access to supported vehicle systems beyond the engine ECU. It is a useful step up for owners who want broader fault information without buying a separate diagnostic tablet.
Use your phone for full-system diagnostics, code reading and clearing, battery testing and service-light resets with the XTOOL AD20 Pro.
Who this tool suits
DIY users wanting compact full-system checks, battery monitoring and basic service support from a phone.
Key capabilities
- Reads and clears faults across available vehicle modules
- Standard OBD2 modes with live-data viewing
- Battery condition and voltage testing
- Maintenance-light reset on supported vehicles
- Driving records and analysis through the companion mobile application
Before ordering
Diagnostic coverage is vehicle-specific. Available systems, active tests, coding, resets and key or instrument functions can change by make, model, year, engine, region and control-module version. Contact GeekAuto with the vehicle details and required function if compatibility is critical.
Software and accessories
Update periods and included accessories are based on this listing. Some advanced functions require internet access, a manufacturer account, an optional adaptor or an additional programming accessory.