ELM327 V2.1 OBD2 WiFi Car Diagnostic Scanner Interface
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Prices updated: 13 Oct 2026
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About this product
A WiFi OBD-II diagnostic interface built around the ELM327 chipset, firmware V2.1. It plugs into the 16-pin OBD-II port of a vehicle and creates its own WiFi hotspot, letting a phone, tablet or laptop read diagnostic data and fault codes through a compatible app.
Specifications
- Chipset
- ELM327
- Connector
- OBD-II 16-pin
- Connectivity
- WiFi 802.11 b/g/n
- Operating voltage
- 12 V (from vehicle OBD port)
- Supported protocols
- ISO9141, KWP2000, J1850 PWM/VPW, CAN
- Compatibility
- iOS, Android, Windows
Frequently asked questions
How do I connect it to my car and phone?
Plug the adapter into the 16-pin OBD-II port, connect your phone or laptop to the adapter's WiFi hotspot, then open a compatible OBD diagnostic app and connect to the adapter.
Can it read and clear fault codes?
Yes. According to the listing, it reads and clears diagnostic trouble codes. The exact functions available depend on the diagnostic app you use.
