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  1. 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 …

  2. 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.

  3. 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.

  4. 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 …

  5. 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.

  6. Everything You Need To Know About OBD, OBD II | Dongles ...

    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 …

  7. 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 …