The OBD-II protocol is supported as follows: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,250xKbaud)B.USER1 CAN(11xbit ID,125xKbaud)C.USER2 CAN(11xbit ID,50xkbaud)Latest V2.1 Super Mini ELM327 Bluetooth OBD2 Scanner for Multi-brands CAN-BUS Supports All OBD2 Protocol works on Android Windows Symbian, used to read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).Latest V2.1 Super Mini ELM327 Bluetooth OBD2 Scanner for Multi-brands CAN-BUS Supports All OBD2 ProtocolTop 6 Reasons To Get Super MINI ELM327 Bluetooth1. Software Version : V2.12. Hardware Version : V1.53. Works with all OBD-II compliant vehicles4. Wireless (Bluetooth)5. Software included for Palm, PDA, Windows PC, Windows Smartphone6. Supports ISO 9141, KWP2000, CAN busSupported protocols:0.Automatic1.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,250xKbaud)B.USER1 CAN(11xbit ID,125xKbaud)C.USER2 CAN(11xbit ID,50xkbaud)xdefault settings (user adjustable)MINI ELM327 Bluetooth Functions:Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).Clear trouble codes and turn off the MIL ('Check Engine' light)Display current sensor data, including:Engine RPMCalculated Load ValueCoolant TemperatureFuel System StatusVehicle SpeedShort Term Fuel TrimLong Term Fuel TrimIntake Manifold PressureTiming AdvanceIntake Air TemperatureAir Flow RateAbsolute Throttle PositionOxygen sensor voltages or associated short term fuel trimsFuel System statusFuel PressureMany others Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.