Autel AL519 【All 10 Modes of OBDII Tests】Autel AL519 OBDII scanner can perform all 10 modes of OBDII tests for complete OBD2 diagnosis. AL519 scanner is the most complete & cost-effective OBD2 code reader for home mechanics and DIYers to solve check engine light issue & daily quick check. 【Turn off Check Engine Light(MIL)】AL519 check engine code reader offers complete OBDII diagnostics. 【Works on 99% Vehicles】Autel AutoLink AL519 car diagnostic tool supports all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN and can work on almost all OBDII compliant vehicls- post 1996 for cars sold in the U.S., post 2006 for EU-based and post 2009 for Asia-based cars. 【Quick DTC Definition Lookup】 【Patented One-Click Smog Check & User Friendly Design】.