Description
YMIOT • OBD2 Automotive Diagnostic Tool W12
The YMIOT OBD2 Automotive Diagnostic Tool W12 is a Bluetooth 5.0 vehicle scanner designed for professionals and car enthusiasts who need full diagnostics for 12V vehicles. The instrument operates at 9–16V power via the vehicle’s OBD-II port and supports vehicle communication using ELM327-based standards. Compatible with Android, iOS, and Windows systems, the tool delivers real-time data, fault code detection, and vehicle parameter reading under harsh conditions from -40 °C to 85 °C. The humidity range is specified at less than 60%. It includes VIN, CID, and CVN retrieval for extended diagnostics.
Key benefits
- Bluetooth 5.0 wireless interface for stable communication at 2.4 GHz, PIN “1234” pairing
- Wide operating voltage range (9–16 V) to cover most vehicle diagnostic sockets
- Rugged environmental tolerance: works from -40 °C to 85 °C with < 60 % relative humidity
- Supports VIN, CID, CVN reading in addition to reading/clearing diagnostic trouble codes
- Multi-platform support: Android, iOS, and Windows compatible
Supported protocols
- ELM327 v1.5 / v2.1 standard
- ISO 9141-2
- ISO 14230-4 KWP2000
- ISO 15765-4 CAN (11/29 bit IDs, 250 & 500 kbaud)
- SAE J1850 PWM & VPW (dependent on protocol version)
Supported functions
Depending on vehicle compatibility, the following functions are supported:
- Reads and displays current, pending, and permanent trouble codes
- Erases fault codes and turns off the check engine light
- Real-time data streaming (e.g. engine RPM, coolant temperature, vehicle speed)
- Freeze-frame data viewing
- I/M readiness and emissions monitor status
- VIN, CID, CVN vehicle information retrieval
Included items
- 1 × YMIOT OBD2 Diagnostic Tool W12 (Model No. YMIOT-B / 2A2KR-YMIOTB)
- 1 × user manual













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