TOPDON AD500 OBD2 Scanner & Car Code Reader — 5" Touchscreen, Engine/ABS/SRS/Transmission Diagnostics, 6 Resets

The TOPDON AD500 is a handheld OBD2 scan tool that reads and clears engine, ABS, SRS and transmission codes while offering six service resets, live data recording, AutoVIN and free Wi‑Fi upgrades.

Designed for car owners and DIY mechanics who want a reliable, easy-to-use diagnostics device, the AD500 combines a 5" touchscreen with physical buttons, fast AutoVIN identification, and expanded coverage for modern vehicles. It supports full OBD2 functions plus targeted four-system checks and a suite of reset utilities so you can find issues, clear codes, and perform routine maintenance without a trip to the shop.

How does the AD500 identify and diagnose vehicle problems?

The AD500 quickly reads Diagnostic Trouble Codes (DTCs) across engine, ABS, SRS and transmission systems and presents human-readable code descriptions. AutoVIN automatically detects the vehicle’s VIN to speed up the connection process, while live data streams let you monitor sensors in real time.

• AutoVIN for instant vehicle identification
• Four-system DTC reading and clearing (Engine/ABS/SRS/Transmission)
• Live data streaming and data recording for later review
• DTC lookup and report exporting via email for documentation

What maintenance and reset functions are included?

The unit offers six common service functions to reset maintenance reminders and recalibrate vehicle systems after repairs. These tools help maintain accurate system performance following tasks like oil changes, battery replacement, or steering repairs.

• Oil service reset to clear interval reminders
• Throttle adaptation for throttle body relearns
• SAS (Steering Angle Sensor) calibration after alignment
• TPMS and BMS reset plus EPB electronic parking brake operations

Will the AD500 work with newer vehicles and secure gateways?

The AD500 supports modern CAN FD protocols and offers compatibility with manufacturers that implement secure gateway systems. It includes specific bypass capability for the FCA Secure Gateway to access diagnostics on many Chrysler, Jeep and Fiat models from recent years.

• CAN FD support for 2020+ vehicle networks
• FCA Secure Gateway bypass for applicable Chrysler group vehicles
• Coverage across 67+ brands (verify exact model coverage on TOPDON support)
• 12 user interface languages to suit global users

How easy is the AD500 to use daily and keep up to date?

Operation combines a responsive 5-inch touchscreen with tactile buttons for quick navigation in garages or roadside conditions. Built on Android 11 with a 1.5GHz quad-core CPU and 2GB RAM, it delivers smooth menu navigation, while Wi‑Fi lets you download lifetime free updates to keep the database current.

• 5" touchscreen plus buttons for simple control
• Android 11, 2GB RAM and 32GB storage for fast performance
• 3350mAh battery for extended field use
• Free lifetime software updates over Wi‑Fi

Who is this for: The TOPDON AD500 is aimed at DIY enthusiasts, home mechanics, and small-shop technicians who need a versatile, affordable scanner for routine troubleshooting and maintenance resets. If you want to diagnose core vehicle systems yourself, monitor live sensor data, and perform common service resets without specialized dealership tools, the AD500 delivers a balanced mix of coverage, usability, and upgradeable software. Confirm vehicle compatibility on TOPDON’s vehicle coverage page before purchase for model-specific support.