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Service bulletins for the 2005 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.

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

By type

By component

By trouble code

Bulletins, newest first
4613352017130112024-03-04. Service bulletin. SERVICE BRAKES. Brakes squeel
441346201033452024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
401227202431832024-03-04. Service bulletin. WHEELS. Clicking noise from wheel bearing
441455201033462024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
481463202822042024-03-04. Service bulletin. STEERING. Steering wheel leather damage, all vehicles
40122720243182024-02-26. Service bulletin. WHEELS; BACK OVER PREVENTION. Clicking noise from wheel bearing
40122620243182024-02-20. Service bulletin. WHEELS; BACK OVER PREVENTION. Clicking noise from wheel bearing
37126720280532024-02-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). TCM software update for downshift concerns
17123220185502024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Oil consumption measurement - Repair Authorization (CA)
01137020182602024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. MIL on (P1545, P0121, P0123, P0221 or P0222 stored in ECM)
01136920283442024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Idle speed characteristic during cold start
01125720283442024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Idle speed characteristic during cold start
Update91i82024-01-22. Service bulletin. UNKNOWN OR OTHER. Google Maps Street View (NVLW))
AUD4927ENG2024-01-22. Service bulletin. UNKNOWN OR OTHER. Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota.
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.
Edition292023-10-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Elsaweb Newsletter
Edition262023-10-16. Service bulletin. UNKNOWN OR OTHER. Elsaweb 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
Edition302023-10-10. 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
Edition582023-10-10. 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

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