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Service bulletins for the 2016 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.

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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
A871563 2010146-2017-10-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Supersedes Technical Service Bulletin Group 87 number 14-54 dated August 28, 2014. There is an unpleasant, musty odor coming from the heating and ventilation system. The odor usually occurs when the vehicle has been sitting unused for five hours or more. The odor usually occurs within 20 to 60 seconds after the vehicle is started. Condensation, which is a normal condition in all A/C systems, can cause a musty odor. If the odor is noticeable in the vehicle when the engine is not turned on, the cause may be mold and mildew in the passenger compartment, and not be related to the A/C system. All other possible sources of the odor must be investigated before this bulletin can be performed.
A911582 2029903-2017-10-21. Service bulletin. EQUIPMENT:ELECTRICAL; BACK OVER PREVENTION: CAMERA SYSTEM. Supersedes Technical Service Bulletin Group 91 number 12-42 dated June 20, 2012. The customer complains about the picture quality of rearview backup camera image in the MMI screen. The picture is fuzzy or distorted. The picture looks too bright, too dark, or opaque in certain areas of the image. The colors of the objects in the image are incorrect or slightly off. The guidelines used for parking are fuzzy, distorted, or pixelated when compared with the guidelines displayed on another vehicle?s MMI.
A911578 2011500-2017-10-21. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Supersedes Technical Service Bulletin Group 91 number 08-129 dated November 12, 2008. Customer states that the reception of satellite radio occasionally fades or drops out. The information display may show a message related to the satellite radio, such as "Linking", "Updating", "Acquiring Signal", "Loading", "No Signal", or "No Sat".
PDI - 2016 ALL M2017-10-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This document contains the Audi vehicle detail report checklist. DO NOT use accessories (radio, etc.) while performing detail, as this can discharge the battery. Refer to TSB 2009967 for Detailer responsibilities, specific use of chemicals, and for part numbers to order materials. Only operate power convertible top with engine running to conserve battery power (A5/S5 Cab, R8 ONLY). DO NOT allow convertible top to remain in a partially opened or partially closed position for longer than 5 minutes. This will cause the top to stop functioning and will require service (A5/S5 Cab, R8 ONLY). DO NOT treat vehicle parts painted with matte finish paint using polishing materials or hard wax. NEVER use protective wax. It can destroy the matte finish effect. Only use a microfiber cloth for cleaning (R8 ONLY).
PDI - 2016 ALL M2017-10-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This document contains the Audi vehicle detail report checklist. DO NOT use accessories (radio, etc.) while performing detail, as this can discharge the battery. Refer to TSB 2009967 for Detailer responsibilities, specific use of chemicals, and for part numbers to order materials. Only operate power convertible top with engine running to conserve battery power (A5/S5 Cab, R8 ONLY). DO NOT allow convertible top to remain in a partially opened or partially closed position for longer than 5 minutes. This will cause the top to stop functioning and will require service (A5/S5 Cab, R8 ONLY). DO NOT treat vehicle parts painted with matte finish paint using polishing materials or hard wax. NEVER use protective wax. It can destroy the matte finish effect. Only use a microfiber cloth for cleaning (R8 ONLY). This document is in Spanish.
A911639204201332017-03-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE AND RESOLVE ISSUES WITH AUDI CONNECT ONLINE DESTINATION SEARCH, GOOGLE EARTH NAVIGATION VIEW, AND INRIX ONLINE TRAFFIC.
A911636204194022017-03-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE AN ISSUE WITH THE SATELLITE RADIO ANTENNA AND HOW TO UPDATE THE SOFTWARE.
A171672203811962017-03-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR.
2016 A4_S42017-02-24. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. NEW PUBLICATION
A201669204418212017-02-23. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. THIS TECHNICAL SERVICE BULLETIN IS REPAIR AUTHORIZATION FOR ISSUES WITH FUELING THE VEHICLE.

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