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 …

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 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 …

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.

5 days ago · On-Board Diagnostics, commonly known as OBD, revolutionized how we maintain and repair vehicles. These systems monitor vital engine and emissions functions, providing …

The OBD2 standard was recommended by the Society of Automotive Engineers (SAE) and standardized DTCs and the OBD connector across manufacturers (SAE J1962).

Explore the world of On-Board Diagnostics (OBD) with OBD Guides. Learn about OBD-I, OBD-II, and the latest in vehicle diagnostics and maintenance.

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.

On-Board Diagnostics, or OBD for short, refers to the in-built system within vehicles that tracks and communicates various aspects of its performance and condition. This crucial system uses …

OBD stands for “onboard diagnostics,” and is a protocol included in all modern vehicles. OBD2 software lets you access and interpret the data from your vehicle’s electronic control unit (ECU).