On-board diagnostics - Wikipedia
On-board diagnostics (OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards to …
What is OBD? What You Need to Know - AutoZone
Modern on-board diagnostic systems take a lot of the guesswork out of figuring out what's wrong with your vehicle. Learn how OBD works.
OBD-Codes OBD-II Trouble Codes - DTC Codes Car Repair
A car repair resource site that helps you diagnose vehicle OBD, OBD-II, and OBD2 problems. We have many articles on how to diagnose and repair many check engine light codes.
What Does OBD Stand For? The Automotive Acronym Explained
May 19, 2025 · Curious what OBD stands for in cars? Learn what On-Board Diagnostics means, how it works, and why it’s essential for vehicle maintenance.
From dongles to diagnostics, here’s all you need to know about OBD/OBD …
Apr 25, 2023 · OBD stands for On-Board Diagnostic. It’s the standardized system that allows external electronics to interface with a car’s computer system. It has become more important as cars have …
What Is an OBD2 Scanner and How Does It Work? - MotorTrend
Aug 26, 2024 · Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs. Your check engine light can come on a host of reasons, …
What Are OBD-II Codes? A Complete Guide by Kelley Blue Book
Do you know what those fault codes displayed on your vehicle’s on-board diagnostics system mean? Check out our guide to OBD-II codes.
How OBD Works - OBD Guides
On-Board Diagnostics (OBD) systems form a real-time monitoring network inside every modern vehicle, designed to analyze performance, emissions, and critical engine operations.
Understanding Car Diagnostics (OBD): A Practical Guide for …
Jul 19, 2025 · OBD stands for On-Board Diagnostics, a built-in computer system in vehicles that monitors engine performance, emissions, and other critical systems. It logs Diagnostic Trouble …
Complete List of OBD2 Codes: OBDII & OEM Diagnostic Trouble Codes
Jan 29, 2013 · What is a Diagnostic Trouble Code (DTC)? Diagnostic trouble codes (or fault codes) are obd2 codes that are stored by the on-board computer diagnostic system. These are stored in …