Identifying fault codes Audi A3 2003 - 2008 | Haynes Manuals

Identifying fault codes Audi A3 2003 - 2008 | Haynes Manuals

Regular checks /

October 2025

1 minute read

Time

10 minutes

Difficulty

Find your vehicle

- step 1

If a fault occurs, some of the systems will generate and store a fault code

- step 2

The 16-pin diagnostic connection is located under the driver side of the fascia

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