KONNWEI KW850 Automotive Scanner Function List: 1. Read engine or emission related fault codes error codes. 2. Erase and delete the fault code, 3. Turns off Check Engine Light (MIL), warning light, clears codes and resets monitors 4. Retrieves generic (P0, P2, P3 and U0), manufacturer specific (P1, P3 and U1) codes and pending codes 5. Easily determines the cause of the Check Engine Light (MIL), show definitions of the fault codes. 6. Displays monitor and I/M readiness status (emissions) 7. Reads live PCM data stream 8. Displays Live sensor data readings in both text mode and graph mode (1996 and newer vehicles) 9. Storage data stream, and playback, printing the stored sensor readings.