On-Board Diagnostics (OBD) is a system that monitors a car’s computer system and reports diagnostic trouble codes. OBD helps mechanics and drivers rapidly diagnose issues with OBD-equipped vehicles.
Autel AL439 Code Reader Tester
The AutoLINK AL439 is an engine code reader and electrical testing tool. It can read and erase engine codes, display live and freeze frame data, supports all 10 OBDII test modes, and performs I/M readiness/emissions testing.
AD10 can help ordinary car owners to check at any time whether the vehicle is out of order, display the cause of the fault and maintenance suggestions, monitor the vehicle status in real time, find out safety hazards early to ensure safe driving.