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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
A9120652036576_62020-06-04. Service bulletin. EQUIPMENT. This informational bulletin contains instructions for when a phone is connected to the vehicle via Bluetooth, one of the following conditions occurs when the user searches for a contact name in the MMI address book (by using the MMI control knob or the voice recognition system): *The MMI screen goes blank then restarts. *The MMI screen freezes for a few minutes then recovers.
A6420742020552_92020-06-04. Service bulletin. VISIBILITY:WINDSHIELD; EQUIPMENT. This bulletin provides instructions on how to clean exterior glass.
A4220442038689_42020-06-04. Service bulletin. EQUIPMENT; SUSPENSION. This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps.
TT 91 18 062020-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Apple car play function.
A4020052024318_92020-06-04. Service bulletin. EQUIPMENT; WHEELS. This technical service bulletin provides instructions for correcting a clicking sound from the wheel bearing(s).
A0120622033001212020-06-04. Service bulletin. ENGINE; EQUIPMENT. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A5120132009967_12020-04-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for vehicle inspection, protection removal, and detailing.
A9120392018187112020-03-05. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker.
A9219242038151112020-01-08. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
A9419182012749_12020-01-08. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad, 2018-2021 A5 Sportback, 2010-2012, 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2004-2006 A7, 2004-2011 S7, 2021 RS6 Avant, 2004-2006 S8
A0019292031473_22020-01-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains instructions for when car wash bristles are stuck in the headlights. 2015-2021 A3 Cabriolet, 2015-2018 A3 e-tron, 2011-2021 A4 allroad, 2018-2021 A5 Sportback, 2011-2012 and 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2021 RS6 Avant
20AUTIRECHAINS2020-01-08. Service bulletin. EQUIPMENT; TIRES; EQUIPMENT ADAPTIVE/MOBILITY. New document 2004-2020 A4 allroad, A6 allroad, A8L, R8 Spyder
A0019262052680_22019-10-02. Service bulletin. EQUIPMENT. This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage.
16AUUSMaint9192019-10-02. Service bulletin. EQUIPMENT. ADDITIONAL MAINTENANCE ITEMS: Perform first at 35,000 miles and thereafter every 40,000 miles. DSG/S tronic - Change ATF oil and replace transmission filter element for clutch hydraulics (A3, S3, TT, TTS, S5, S5 Cabriolet, RS 5, S6, and S7 only) Added: Footnote 3: "For the 8K2 Audi S4 use the MY 2015 maintenance card. This is a push behind vehicle based on the PR code"
A9619432056019_12019-09-10. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. This bulletin contains instructions for when the anti-theft alarm went off for no reason or did not go off. Includes A3 Cabriolet 2015-2020, 2010-2020 A4 Allroad, 2018-2020 A5 Sportback, RS5 Cabriolet 2010-2012 and 2018-2020, 2018-2020 S5 Sportback, 2010-2011 S7, 2010 S8, 2019-2020 e-tron Quattro.
A481977 2053869-2019-04-01. Service bulletin. STEERING; EQUIPMENT. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800.
A921916 20381512019-04-01. Service bulletin. EQUIPMENT; VISIBILITY:REAR WINDOW WIPER/WASHER. This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
A911929 20535982019-04-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin contains instructions for MIB2 Standard on how to update the MMI.
SM 44-2017 EN2019-04-01. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return all part numbers listed in the document and order the superseded part numbers going forward.
Scheduled Mainte2019-02-19. Service bulletin. EQUIPMENT; TIRES. Revision to Tires-rotate: 5K only; added "(except R8)"
A511711 2009967-2019-02-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for vehicle inspection, protection removal, and detailing.
A351833 2028085-2018-10-15. Service bulletin. EQUIPMENT; POWER TRAIN. This bulletin contains instructions for diagnosing transmission leaks and repairing them.
SM 91-20182018-09-17. Service bulletin. EQUIPMENT:ELECTRICAL. The part numbers listed in the document are to be returned if they meet the criteria provided.
A911801 2042942-2018-09-17. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains instructions for when the Audi connect Gen 2 system is not functioning and there is a "Please wait.." message.
A371882 2051685-2018-09-17. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin contains repair instructions for when DTC P179E00 is stored and the mechantronic unit and/or gear sensor G676 are being replaced.

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