Description
XTOOL • OBD vehicle fault detector AD20 Pro
The XTOOL advancer AD20 Pro is a wireless Bluetooth OBD-II dongle designed for professionals and car owners who require full system diagnostics. Built with an ARM Cortex-M4 processor, it reads and clears diagnostic trouble codes (DTCs) across engine, transmission, ABS, SRS, powertrain, steering, comfort, and other systems. It supports maintenance light reset, battery health and voltage tests, trip recording, driving behavior monitoring, live data stream, and full OBD-II mode diagnostics for newer U.S., European, and Asian vehicles made from 1996 onward. Designed for professional-grade results in daily maintenance and performance monitoring.
Key benefits
- Full-system diagnostics: read and clear codes from multiple control units beyond just the engine
- Live data and vehicle performance tests: monitor RPM, coolant temperature, battery voltage, engine load, acceleration, etc.
- Maintenance light and service reminders reset to help maintain compliance and safety
- Trip recorder and driving behavior analysis for fuel efficiency and safer driving habits
- Free lifetime software updates and multilingual support for global users
Supported protocols
- ISO 15765-4 CAN (11-bit & 29-bit, 250-500 Kbaud)
- ISO 9141-2 (5-baud init, 10.4 Kbaud)
- ISO 14230-4 KWP (standard & fast init, 10.4 Kbaud)
- SAE J1850 PWM (41.6 Kbaud)
- SAE J1850 VPW (10.4 Kbaud)
Supported functions
Depending on vehicle compatibility the following functions are supported:
- Full-system read and clear of trouble codes across engine, transmission, ABS, airbags, TPMS, steering, safety, and comfort systems
- Live data streaming: sensor readings like engine RPM, coolant temperature, battery voltage, fuel trims, etc.
- Maintenance/service light reset and oil life reminders reset
- Trip recorder: recording mileage, fuel consumption, max engine load, max coolant temperature
- Driving behavior monitor: detecting sudden acceleration, braking, sharp turns
Included items
- 1 × XTOOL Advancer AD20 Pro dongle (Diagnostic tool)
- 1 × user manual (Advancer AD20 Pro)
Supported languages
English, Spanish, Russian, Arabic, French, German, Japanese, Korean, Polish, Portuguese










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