KONNWEI KW903 Bluetooth 3.0 OBDII Car Code Adapter


Regular price $15.99

Konnwei KW903 ELM327 Bluetooth 3.0 OBD2 OBDII Car Engine Diagnostic Code Scanner,only can detect 12V gasoline car


  • The device is a small adapter that plugged into the vehicle OBD-connector.On Bluetooth, it connects to any computer, tablet or smartphone, With associated diagnostic procedures . Doing these simple operations, you will be able:
  • Measure the fuel consumption.
  • Display real-time operating performance of the car, such as momentum,vehicle speed, oil pressure, coolant temperature, engine load, intake manifold pressure, throttle position, the values of oxygen sensors, air intaketemperature, and more.
  • Turn off the MIL (signal Check Engine).
  • Download data to external media in a variety of formats for later printing.
  • Record various parameters, display graphics in real time, and more.
  • With kw903 you will be able to perform a complete computer diagnostics car and even to correct minor faults without resorting to service stations.
  • kw903 scantool is a high-quality automotive scanning tool, supports all OBD-II


  • Supply voltage(VDD):12V
  • work temperature range: -20 ~ +70℃
  • Storage temperature range:-40 ~ +125℃
  • RF sensitivity(Basic Rate): -85db
  • Modulation Mode:GFSK
  • Frequency Range:2402 ~ 2480MHZ
  • Transmission Range:10M
  • Bluetooth Profile:SPP
  • UART Params:38400,8,n,1
  • Color: A,B,C,D,E,F
  • Weight:88g
  • Size: Approx. 120mm x 75mm x 40mm
  • Material: ABS
  • Small size, compact structure. Plug and never unplug
  • Stable wireless connection
  • No wires or batteries (adapter is powered by the diagnosis size sockets)
  • Stop communication, wait half an hour, auto sleep
  • Supports all OBDII protocols
  • The adapter uses the fastest and most reliable ARM chips

Protocols :

  • 0.Automatic
  • 1.SAE J1850 PWM(41.6Kbaud)
  • 2.SAE J1850 VPW(10.4Kbaud)
  • 3.ISO9141-2(5 baud init,10.4Kbaud)
  • 4.ISO14230-4 KWP(5 baud init,10.4 Kbaud)
  • 5.ISO14230-4 KWP(fast init,10.4 Kbaud)
  • 6.ISO15765-4 CAN(11bit ID,500 Kbaud)
  • 7.ISO15765-4 CAN(29bit ID,500 Kbaud)
  • 8.ISO15765-4 CAN(11bit ID,250 Kbaud)
  • 9.ISO15765-4 CAN(29bit ID,250 Kbaud)
  • A.SAE J1939 CAN(29bit ID,250*Kbaud)
  • B.USER1 CAN(11*bit ID,125*Kbaud)
  • C.USER2 CAN(11*bit ID,50*kbaud)
  • default settings(user adjustable)

Package included: 

  • 1 x KW903 ELM327 Scanner ;
  • 1 x Mini CD ;
  • 1 x User Manual