ELM327 V2.1 Bluetooth 4.0 OBD2 Scanner for iOS & Android

ELM327 V2.1 Bluetooth 4.0 OBD2 Car Diagnostic Scanner

Stop guessing what that "Check Engine" light means! The ELM327 V2.1 Bluetooth 4.0 OBD2 Scanner plugs directly into your car's OBD2 port and instantly connects to your smartphone or PC — giving you real-time engine data, trouble code readings, and the power to reset warning lights right from your phone. No more expensive mechanic visits just to find out what's wrong.

Made in Mainland China.

Why Choose This ELM327 V2.1 BT 4.0 Scanner?

• Bluetooth 4.0 Dual Mode — Works seamlessly with iOS, Android, and Windows devices
• CAN Chip Reserved — More accurate data transmission, stronger vehicle adaptation, and better connection stability
• Easy App Setup — Simply scan the built-in QR code on the device interface to download and install the compatible app; no CD required
• CE Certified — Meets European safety and quality standards
• Firmware Version V2.1 — Latest software for maximum compatibility and reliability
• Multi-Language Support — Czech, Danish, English, French, German, Hungarian, Italian, Polish, Spanish, and Turkish

Key Functions

• Read and display diagnostic trouble codes (DTCs) — both generic and manufacturer-specific — with definitions from a database of over 3,000 generic codes
• Clear trouble codes and turn off the MIL ("Check Engine" light)
• Display real-time live sensor data including:
  • Engine RPM
  • Calculated Engine Load
  • Coolant Temperature
  • Fuel System Status & Fuel Pressure
  • Vehicle Speed
  • Short & Long Term Fuel Trim
  • Intake Manifold Pressure
  • Timing Advance
  • Intake Air Temperature
  • Air Flow Rate (MAF)
  • Absolute Throttle Position
  • Oxygen Sensor Voltages
  • And many more!

Vehicle Compatibility

Important: Supports 12V gasoline/petrol vehicles only. Diesel vehicles are not supported.

• American cars: 1998 and newer
• European cars: 2000 and newer
• Asian cars (Japan, Korea, China, etc.): 2002 and newer
• Russian cars (VAZ/UAZ/GAZ): 2012 and newer

Technical Specifications

• Firmware Version: V2.1
• Bluetooth Version: BT 4.0 Dual Mode
• Compatible OS: iOS / Android / Windows
• Certification: CE
• Battery Required: No (powered by vehicle OBD2 port)

What's in the Box?

• 1 × ELM327 V2.1 BT 4.0 OBD2 Scan Tool (with retail box)

Learn More About OBD Systems

For more information on how on-board diagnostics work and what OBD codes mean, visit the U.S. EPA's On-Board Diagnostics resource.

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Frequently Asked Questions

Q: Does this ELM327 V2.1 OBD2 scanner work with iPhones and iPads (iOS)?

A: Yes! Thanks to its Bluetooth 4.0 Dual Mode design, this ELM327 scanner is fully compatible with iOS devices including iPhone and iPad, as well as Android smartphones and Windows PCs. Simply scan the QR code on the device to download the recommended OBD app for your platform.

Q: Will this OBD2 scanner work with my car?

A: This scanner supports 12V gasoline vehicles — American cars from 1998+, European cars from 2000+, Asian cars (Japan, Korea, China) from 2002+, and Russian cars (VAZ/UAZ/GAZ) from 2012+. Note: diesel vehicles are not supported.

Q: Can I clear the Check Engine light with this ELM327 scanner?

A: Absolutely. In addition to reading diagnostic trouble codes (DTCs), this OBD2 code reader can clear those codes and reset the MIL (Malfunction Indicator Lamp), commonly known as the "Check Engine" light, directly from your phone.

Q: Do I need to install a CD or software disc to use this scanner?

A: No CD is included or needed. Simply plug the scanner into your car's OBD2 port, then scan the QR code displayed on the device interface to download the latest compatible app for your iOS or Android device — quick and hassle-free.