Service bulletins for the 2004 Audi A4
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.
172 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Steering are shown. Show all
| TSB-38-09-01 | 2010-03-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); STEERING:GEAR BOX (OTHER THAN RACK AND PINION). AUDI: VEHICLE WILL NOT MOVE IN ANY GEAR. ATF PUMP BORDER BUSHING MAY FAIL AND CAUSE A LOSS OF OIL PRESSURE. THE ATF PUMP IS INCORPORATED IN THE VALVE BODY. THE PUMP IS NOT A SERVICEABLE PART. IMPROVED ATF PUMP INCORPORATED IN THE VALVE BODY FROM 1/04 VEHICLE PRODUCTION. *PE |
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| 480501 | 2005-03-15. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. POWER STEERING, NOISY. TO INCLUDE 2006 MODELS. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.