Four systems covered for diagnostics +10 obd2 function
engine system
anti-lock braking system (abs)
supplemental restraint system (airbag)
transmission system
five most commonly used functions + built-in dtc lookup library
1.oil reset
2.sas reset
3.epb service
4.tpms service
5.throttle adaptation: it also gets the built-in diagnostic trouble code (dtc) lookup library - defines the error code on the screen. this will save you the trouble of having to go online to look for the meaning of a diagnostic trouble code.