Where can I find the OBD port on a 2010 Audi A3?

My Nana has decided to stop driving, and she says she’s going to give me her car rather than sell it! It’s an older Audi A3, and it’s in really good shape. She did mention that the “check engine” light has been coming on sometimes, so I thought that I would do a quick diagnostic scan when I get it so I know what needs to be fixed. Do you know where the OBD port on a 2010 Audi A3 is?

Amber Reed · Answered on Feb 17, 2023
Reviewed by Shannon Martin, Licensed Insurance Agent.
Nice! Don’t tell your cousins or siblings, but we suspect that you might be the favorite grandchild.
The OBD port on a 2010 Audi A3 is on the driver’s side dashboard, under the steering wheel. It might be set back inside a little cubby hole, or it might be far down on the dashboard, so you may need to grab a flashlight and get up close and personal to find it.
There are a lot of different things that can cause a check engine warning light, and they range from simple sources like a loose gas cap, to more complex things like a bad oxygen sensor. Once you’ve found the 16-pin socket, you’ll be able to read the OBD codes and narrow down what might be the source of the trouble.
Some potential causes of a check engine light are things you can easily fix at home, but some other kinds of car repair tasks are best left to a professional mechanic. The 2010 Audi A3 was rated as having “above average” reliability according to RepairPal, so with proper maintenance you could have your A3 around for many more years to come!
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