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 …
What You Need to Know About OBD
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.
What is OBD? Understanding On-Board Diagnostics | Noregon
OBD systems monitor emissions to ensure that vehicles meet minimum requirements at all times. They also alert users when emissions exceed acceptable limits so that the issue can be …
OBD1 vs OBD2: What’s the Real Difference? Complete Guide (2025)
Feb 20, 2025 · On-Board Diagnostics, commonly known as OBD, revolutionized how we maintain and repair vehicles. These systems monitor vital engine and emissions functions, providing …
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 …
On Board Diagnostics (OBD): What Is It and What Does It Mean to …
Oct 12, 2023 · OBD, or on board diagnostics, was introduced by General Motors in 1981 to monitor the emission control system in the car. In 1986 California mandated that all cars sold …
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.
What is OBD? - OBD Solutions
What is OBD? OBD stands for “ O n- B oard D iagnostics.” It is a computer-based system originally designed to reduce emissions by monitoring the performance of major engine …