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Service bulletins for the 2009 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.

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

By type

By component

By trouble code

Bulletins, newest first
A0023742052680_42023-11-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on the additional reporting requirements for safety related inquiries.
Edition282023-10-16. Service bulletin. UNKNOWN OR OTHER. Elsaweb Newsletter
Edition402023-10-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Elsaweb Newsletter
Chart2023-10-10. Service bulletin. FUEL SYSTEM, OTHER. Audi Oil Capacity Chart
94F6UPDATE2023-10-10. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. Tail Lamp Seal (NVLW)
Edition392023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition382023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition462023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition452023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition442023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition422023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition342023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition532023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition512023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition542023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition582023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition602023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition662023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition642023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition1022023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition1062023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
A0023712070568_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
A9123262071264_12023-09-01. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT. This bulletin provides information for when the customer has concerns about the navigation route guidance.
A1023262018288102023-07-10. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine.
A9123062010146_82023-07-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information for when an unpleasant odor is coming from the heating and ventilation system.

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