





TOPDON AD500
Price history via Keepa
We may earn a commission from links on this page.
Our verdict
The TOPDON AD500 is an excellent value for DIYers who need ABS and SRS coverage without the high cost of a professional shop tool. It is the perfect choice for home mechanics who prioritize long-term software support and reliable system diagnostics over advanced bi-directional testing.
- ✓Comprehensive system diagnostics
- ✓Includes essential maintenance resets
- ✓Lifetime free Wi-Fi updates
- ✕Lacks bi-directional control
- ✕Not suitable for advanced shop diagnostics
The TOPDON AD500 is a versatile OBD2 scanner designed for DIY enthusiasts and home mechanics who need more than just basic engine code reading. Featuring a clear 5-inch display, this diagnostic tool provides comprehensive access to vehicle systems, including ABS and SRS diagnostics, which are often missing from entry-level readers. It supports live data streaming, allowing users to monitor sensor performance in real-time to pinpoint intermittent issues before they result in a breakdown. With a focus on accessibility, the device offers a user-friendly interface that makes navigating complex diagnostic menus straightforward for those without professional training. One of the standout features of the TOPDON AD500 is its commitment to long-term value, as it comes with a lifetime of free Wi-Fi updates. This ensures that your diagnostic database stays current with newer vehicle protocols without requiring ongoing subscription costs. While it excels at reading codes and performing essential maintenance resets, it is important to note that this is not a professional-grade tool. It lacks bi-directional control capabilities, meaning it cannot command specific vehicle components to actuate, such as testing a fuel pump or cycling an ABS motor. For the average car owner or hobbyist, the TOPDON AD500 strikes an excellent balance between diagnostic depth and affordability, making it a reliable addition to any home garage for 2026 vehicle maintenance tasks.
Specifications
- Vehicle Coverage
- 1996 and newer OBDII vehicles
- Live Data Streaming
- ✓
- ABS/SRS Diagnostics
- ✓
- Bi-Directional Control
- –
- Free Updates
- 99 years
- Display Size
- 5 inches
Price history

Price last checked 30/06/2026 · Price history via Keepa
How it compares
| TOPDON AD500 | BlueDriver Bluetooth Pro | Veepeak OBDCheck BLE | |
|---|---|---|---|
| Vehicle Coverage | 1996 and newer OBDII vehicles | 1996 and newer OBD2 compliant vehicles | All 1996 and newer OBDII compliant vehicles |
| Live Data Streaming | ✓ | ✓ | ✓ |
| ABS/SRS Diagnostics | ✓ | ✓ | — |
| Bi-Directional Control | — | — | — |
Frequently asked questions
Does the TOPDON AD500 support bi-directional testing?
No, this model does not support bi-directional control. It is designed for reading codes and monitoring data rather than commanding vehicle components.
Are the software updates really free for the life of the tool?
Yes, the manufacturer provides lifetime free Wi-Fi updates for this model. You will not need to pay subscription fees to keep the scanner updated.
Will this work on my 2005 vehicle?
Yes, the TOPDON AD500 is compatible with all vehicles manufactured from 1996 onwards that utilize the OBDII standard.
Can this scanner reset ABS and SRS warning lights?
Yes, the AD500 is specifically equipped to perform diagnostics and resets for both ABS and SRS systems.




