AUNCH Creader CRP123 Professional Auto Diagnostic Scan Tool Car Code Reader Full OBD2 Functions + Engine/Transmission/ABS/SRS Diagnoses + Lifetime Free Update=An ideal choice for DIY auto Mechanic and repair shop! 【Why choose launch CRP123 as your diagnostic scan tool? 】 FOUR SYSTEMS TEST: This scanner supports engine/transmission/ABS/SRS diagnoses for you to get more problems solved. You can know about the health status of these systems and make sure they works OK for the driving safety FULL OBD2 FUNCTIONS: This scanner supports all 10 test mode of OBD2 functions, such as reading and clearing DTCs, graphical data streams, freeze frame, I/M readiness, O2 sensor test, on-board monitor test and more to check the emissions and turn off MIL EXTENSIVE COVERAGE+UPDATE.