Autel AutoLink AL539B OBD2 Electrical Scanner Vietnam

Full OBD-II coverage (Modes 1–10) – Reads both generic (P0, P2, P3, U0) and manufacturer-specific (P1, P3, U1) codes, including pending faults. Live data display & graphing – Real-time PCM data, oxygen sensor metrics, freeze-frame readings, and emissions status with on-screen plotting. Unique One‑Click I/M Readiness test – Quickly checks vehicle emissions readiness for state inspections or drive cycle verification. Battery and charging system diagnosis – Load‑free tests for 12 V batteries, including AGM and standard types; also evaluates starting and charging circuits. Visual & audible alerts – Color-coded LEDs and built-in speaker assist in interpreting readiness and error states. Additional tools – Offers memory/battery backup for offline data review, vehicle info retrieval (VIN, CIN, CVN), multilingual menus, PC data printing, and free internet updates.