WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Audi TTS

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.

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

By type

By component

By trouble code

Bulletins, newest first
A9120922053916_22020-09-03. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen.
2010-2021EngOil2020-09-03. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document
A4020132059474_22020-08-06. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; EQUIPMENT. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A9120842060194_12020-08-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT. This bulletin states to create a PSS for when the Gas pop-up is blank.
A1720062028440_52020-08-06. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT. This informational bulletin explains when the range display is empty in the on-board computer.
21VEHCONDREP7132020-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New Document
21TT-TECHREPORT2020-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New Document
21TTCSTDELIVERY2020-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New Document
21TIREPRSTBL062020-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. New Document
21TechRefGde6302020-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New Document
21DETAILREPT7132020-08-06. Service bulletin. EQUIPMENT. New Document
A1920042025303_12020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants.
A4020102044060_52020-07-07. Service bulletin. SUSPENSION. This technical service bulletin asks the reader to check for improperly installed or deformed front shock bellows and to replace if necessary.
A9020512058077_42020-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for determining unexpected Audi pre sense interventions.
A9120722037809_62020-07-07. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions about updating the navigation map.
A0020382039206_32020-07-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin contains instructions on how to use the QR code in a TSB.
A9120702044694_22020-06-04. Service bulletin. EQUIPMENT. This technical service bulletin provides troubleshooting for issues with the navigation map database.
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.
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.
A4020062059474_12020-06-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A9020442032113_32020-05-07. Service bulletin. ELECTRICAL SYSTEM. This information bulletin contains a background on the outside air temperature reading.
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.
A9119232037809_52020-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin contains instructions about updating the navigation map.
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.
A9119742037809_42019-09-09. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin contains instructions about updating the navigation map. 2015-2021 A3 2017-2021 A4, Q7, and R8 2018-2021 A5, Q5, and SQ5 2016-2021 TT, TTS, TTRS, and Roadster 2019-2021 A6, A7, A8, Q3, Q8, and Audi e-tron quattro

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