Service bulletins for the 2003 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.
163 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Electrical system are shown. Show all
| 09012006 | 2007-01-16. Service bulletin. ELECTRICAL SYSTEM:IGNITION. IGNITION COILS MAY FAIL CAUSING A ROUGH IDLE OR REDUCED DRIVING POWER COULD OCCUR. *KB |
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| 0401 | 2004-11-02. Service bulletin. ELECTRICAL SYSTEM. TIPTRONIC SWITCH F189, PRINTED CIRCUIT BOARD FAILURE. SELECTOR LEVER INDICATOR (PRNDL) LIGHT FULLY ILLUMINATED; TIPTRONIC FEATURE DOES NOT FUNCTION; 18152 TIPTRONIC SWITCH (F189) SHORT CIRCUIT TO GROUND. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.