Real-time parameters: RPM, speed, pedal position, spark advance, airflow rate, coolant temperature, etc.
Status of “Check Engine” light
Emission readiness status
Freeze frame: a “snapshot” of parameters at the time a trouble event has occurred.
Diagnostic trouble codes (DTCs).
Oxygen sensor test results
Vehicle Identification Number (VIN)
Number of ignition cycles
AllData, AutoData, OBD Data, Gds, Kds, Haynespro, Workshopdata, DrCar, Professional car repair
Number of miles driven with MIL on