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Service bulletins for the 2009 Audi S4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

226 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Manual transmission are shown. Show all

Bulletins, newest first
30 13 18 20282292022-05-31. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:MANUAL TRANSMISSION; ENGINE. Vehicle does not start or only starts when the clutch pedal is pressed very firmly
30 13 18 20282292022-05-02. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; ELECTRICAL SYSTEM. There may be clutch mechanism wear. Customer may report that the vehicle does not start or only starts when the clutch pedal is pressed very firmly. The message ?Press clutch pedal to start vehicle? may appear in the instrument cluster.
TSB-34-12-082012-04-11. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. AUDI: WHEN VEHICLE IS AT CONSTANT SPEED OR IS ACCELERATING, FROM THE FRONT CAN HEARD CONSTANT HOWLING, OR DRONING, OR A SCRAPING NOISE. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.