Glossary / General

OBD‑II

8 Episode Mentions
Too Afraid to Ask

OBD‑II is the current computer system in cars that lets mechanics read detailed error codes and data. Every U.S. car made after 1996 has the same plug for this system.

Technical Definition

OBD‑II (On‑Board Diagnostics II) is the modern, standardized diagnostic system that became mandatory in U.S. cars by 1996. It provides detailed engine data, emissions information, and a universal 16‑pin connector.

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