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August 26, 2026 Service bulletin

This bulletin provides information when the horn sound quality is poor.

Audi technical service bulletin TSB_2074436_3 for 2011-2025 Audi A4, 2011-2025, 2027 Audi A6 and 2011-2025 Audi Q5 and others.

Bulletin number
TSB_2074436_3
Component
Unknown or other
Summary
This bulletin provides information when the horn sound quality is poor.

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