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,250*Kbaud)B.USER1 CAN(11*bit ID,125*Kbaud)C.USER2 CAN(11*bit ID,50*kbaud)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,250*Kbaud)B.USER1 CAN(11*bit ID,125*Kbaud)C.USER2 CAN(11*bit ID,50*kbaud)*default 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/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.