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 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 addressed and …
DIY Vehicle Programming | Custom OBDII Vehicle Computer Programmer
OBD Genie custom OBD II port vehicle ECU programmer delivers a wide range of programmable options geared to enable features in your car that are Ready for Use.
OBDLink® - Powerful Scan Tools For Android, iOS, & Windows
In addition to the included app, our tools are compatible with the most popular third-party apps. Explore a world of automotive possibilities, from customization to advanced monitoring. We stand behind our …
OBD1 vs OBD2: What’s the Difference & Which Scanner Do You Need?
Dec 5, 2025 · On-Board Diagnostics, commonly known as OBD, revolutionized how we maintain and repair vehicles. These systems monitor vital engine and emissions functions, providing crucial data …
OBD2 Explained - A Simple Intro [2025] – CSS Electronics
In response to this, modern alternatives have been developed including WWH-OBD (World Wide Harmonized OBD) and OBDonUDS (OBD on UDS). Both seek to streamline and enhance OBD …
Emissions Testing - Texas Department of Public Safety
OBDII testing uses a scan tool that plugs into the vehicle's computer and determines that the emission system and components are working properly. The test downloads stored information from the …
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.