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Service bulletins for the 2006 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.

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

By type

By component

By trouble code

Bulletins, newest first
441346201033452024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
401334201819452024-03-04. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. Shock absorber leaks: assessment aid
461486202258452024-03-04. Service bulletin. SERVICE BRAKES. Brake pulsation diagnostic guidelines
401441201819462024-03-04. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. Shock absorber leaks: assessment aid
441455201033462024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
481463202822042024-03-04. Service bulletin. STEERING. Steering wheel leather damage, all vehicles
40144120181942024-02-26. Service bulletin. EQUIPMENT; STRUCTURE. Shock absorber leaks: assessment aid
40133420181942024-02-26. Service bulletin. BACK OVER PREVENTION; STRUCTURE. Shock absorber leaks: assessment aid
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)
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.
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
Edition422023-10-10. 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
Edition1062023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
DC_AudiRingsV122023-05-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Inside the Rings | Volume 12, Spring 2023
TRMDMV_MA_Audi2023-04-06. Service bulletin. AIR BAGS. In conjunction with the Massachusetts DMV, Audi will be sending Takata airbag recall reminder notices to approximately 2,907 Audi owners in the State of Massachusetts on March 13, 2023.
TRMDMV_NM_Audi2023-04-06. Service bulletin. AIR BAGS. In conjunction with the New Mexico DMV, Audi will be sending Takata airbag recall reminder notices to approximately 389 Audi owners in the State of New Mexico on March 13, 2023.
TRMDMV_CO_Audi2023-03-06. Service bulletin. AIR BAGS. In conjunction with the Colorado DMV, Audi will be sending Takata airbag recall reminder notices to approximately 2,174 Audi owners in the State of Colorado on February 13, 2023.
DC_Rings_VOL102023-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; AIR BAGS; EQUIPMENT:ELECTRICAL. Takata recall and 3G turndown

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