ELM327 USB OBD2 Diagnostic Scanner with CH340 Chip

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The ELM327 USB OBD2 cable is a low cost, economical diagnostic scanner that is compatible with a wide range of car diagnostic software for Windows PC. Paired with compatible diagnostic software, the ELM327 USB Cable allows you to easily scan and clear engine codes, view and record real-time engine and performance data, view emissions status and more.


  • *Low cost, economical USB scanner for basic car diagnostics
  • Read and erase diagnostic trouble codes (DTCs) and turn off the check engine light
  • View real-time vehicle data, graphs and performance parameters
  • Find and fix problems before they happen
  • Compatible with all OBDII compliant vehicles
  • Compatible with Windows XP 7 8 10 (32/64-bit) and Mac OSX
  • Microchip PIC18F25K80 Micro-controller

Multi-Protocol Support:                                

  • ISO 9141-2 (5 baud init, 10.4 kbaud)
  • ISO 14230-4 KWP (5 baud init, 10.4 kbaud) (KWP2000)
  • ISO 14230-4 KWP (fast init, 10.4 kbaud) (KWP2000)
  • ISO 15765-4 CAN (11 bit ID, 500 kbaud)
  • ISO 15765-4 CAN (29 bit ID, 500 kbaud)
  • ISO 15765-4 CAN (11 bit ID, 250 kbaud)
  • ISO 15765-4 CAN (29 bit ID, 250 kbaud)
  • SAE J1850 PWM (Older Ford vehicles)
  • SAE J1850 VPW (Older GM vehicles)

Vehicle Coverage: Works on all OBDII Vehicles (1996+ in USA) and EOBD vehicles (Petrol cars from 2001+ and diesel cars from 2003/2004 in Europe)
For your vehicle to be OBDII compliant it must have a 16-pin DLC (Data Link Connector) under the dash and the Vehicle Emission Control Information Label must state that the vehicle is OBD II compliant


  • Connection: USB 2.0/1.1
  • Indicator LEDs: OBD Tx/Rx , RS232 Tx/Rx , Power
  • Voltage: 12V
  • USB to Serial Chip: CH340G USB to Serial Chip
  • Supported OS: Windows XP 7 8 10 (32/64-bit) and Mac OSX

*CH340 USB to Serial Chip Info:

Low cost USB to Serial chip that works great for basic car diagnostics to read and clear engine codes and read engine data. For more advanced diagnostics such as special tests, ECU programming, long-term/commercial use or viewing real-time data for periods of time, we recommend using our ELM327 USB Cables that use the Prolific PL2303, SI Labs CP2102 or FTDI FT232RL Chips