Posted on 5/26/2022
On-Board Diagnostics (OBD) scanners are used to discover potential problems with your car. It connects to the car's internal computer system. OBD scanners are plugged directly into the OBD port in your car which scans the stored data to identify everything from loose wires to oxygen level issues. OBD scanners use error codes to display the automotive issue. The scanner reads the data which is recorded using Electronic Control Units (ECU) which are tiny computers also known as subsystems, each controlling a different vehicle part. When you start your car, the OBD system starts scanning the engine components to check performance. If there is a major error the "check engine" light will switch on. While it is not time to panic, it is a good idea to have your vehicle checked if this happens. The OBD system tracks and detects errors, for any component that impacts the engine. Some important components would be: Engine Misfires Emissions Control Systems Computer Systems ... read more