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Identifying fault codes Audi A4 2001 - 2004 | Haynes Manuals

A4

Audi A4

2001 - 2004
Time
10 minutes
Difficulty
If a fault occurs, some of the systems will generate and store a fault code
Open the ashtray and unclip the cover from the 16-pin diagnostic socket. 2001-on models only

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