TOPDON AL400 OBD Scanner Code Reader, Check Engine Light for Car after 2003 Smog Emission Test, O2 Sensor Test, I/M Readiness, EVAP Test, ALL 10 OBD2 Modes, DTC Lookup, Pluag&Play, Graphic Data Stream

• 2026 Newest Code reader, Wide vehicle coverage, DTC Lookup—The TOPDON ArtiLink400 scan tool works for US vehicles after 1996/EU after 2000 and Asia after 2006 that follow ✅KWP2000, ✅ISO9141, ✅J1850 VPW, ✅J1850 PWM, and ✅CAN protocols, including passenger cars, SUVs, etc. The simple design and easy-to-use features allow anyone to easily fix emission-related issues common in cars that are three or more years old. Its DTC library base helps users find DTCs definitions with ease.
• CHECK ENGINE LIGHT ON REASON: Don't know why the engine light is on? A minor fault like loose gas cap? Vacumm leaks, Oxygen Sensor problem, or a serious problem? Take the guesswork out of car repair. Do the check yourself before repair shop does save you a lot.
• ONE-CLICK SMOG CHECKER: I/M readiness button checks the exhaust fumes to help automobiles pass emissions tests with one click, without having to visiting repair shops.
• 10 OBDII FUNCTIONS: this scanner provides all OBD2 functions for vehicles compatible with OBD/EOBD/CAN (Controller Area Network) protocol. The most commonly used OBD features include reading and erasing DTCs, I/M readiness, graphic data stream, freeze frame, O2 sensor test, on-board monitor test, EVAP test, and vehicle information.
• NOTE: TOPDON AL400 is our basic OBD2 scanner. It can check engine faults, but no errors of other systems. It's just enough to meet your basic scanning and troubleshooting needs.

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