OBD-II

**OBD-II**
OBD-II (On-Board Diagnostics II) is a standardized system used in vehicles to monitor and report on the health and performance of various engine and vehicle components. It provides diagnostic information through a universal port, enabling mechanics and car owners to quickly identify issues related to emissions, engine, transmission, and other critical systems. Commonly used with scan tools and code readers, OBD-II helps facilitate efficient troubleshooting, maintenance, and repairs, improving vehicle reliability and compliance with environmental regulations.