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September 29, 2025 Service bulletin

This bulletin provides information when the DTC U300100 is logged I n the electromechanical brake servo.

Audi technical service bulletin TSB_2079459_1 for 2022-2026 Audi A3, 2022-2026 Audi S3 and 2022-2026 Audi RS 3.

Bulletin number
TSB_2079459_1
Component
Service brakes
Summary
This bulletin provides information when the DTC U300100 is logged I n the electromechanical brake servo.

Owners of these vehicles have filed 6 complaints in the brakes category.

Vehicles covered

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