What is the OBD port and how do I use it in my Audi A3?

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Alex Russo 1 hour ago

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What is the OBD port and how do I use it in my Audi A3?

I've heard about the OBD port in my Audi A3, but I'm not sure what it does or how to use it. Can someone please explain?

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**Jake Hernandez** · Answer 1 · 2026-01-20T18:10:05+00:00

The OBD port, also known as the on-board diagnostics port, is a standard connection port found in most vehicles. It allows you to access diagnostic information, such as engine codes, to troubleshoot any issues with your car.

What is the OBD port and how do I use it in my Audi A3?

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