Service bulletins for the 2021 Audi TT
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.
628 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A4220442038689_4 | 2020-06-04. 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. |
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| A4020062059474_1 | 2020-06-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). |
| A872005201014615 | 2020-05-07. Service bulletin. EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS:WATER HEATER. This bulletin contains instructions for properly cleaning and removing a musty odor in the vehicle. |
| A9020452059335_1 | 2020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information on noises from the instrument cluster installation area. |
| A9020442032113_3 | 2020-05-07. Service bulletin. ELECTRICAL SYSTEM. This information bulletin contains a background on the outside air temperature reading. |
| A6420722047061_2 | 2020-05-07. Service bulletin. STRUCTURE. This bulletin contains a cleaning procedure from leftover residue from suction cups or labels. |
| A5120132009967_1 | 2020-04-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for vehicle inspection, protection removal, and detailing. |
| A912039201818711 | 2020-03-05. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker. |
| A4420732056386_3 | 2020-03-05. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. |
| A9020372058077_3 | 2020-02-08. Service bulletin. EQUIPMENT. This bulletin contains instructions for determining unexpected Audi pre sense interventions. |
| A9020362058077_2 | 2020-02-08. Service bulletin. SERVICE BRAKES; EQUIPMENT. This bulletin contains instructions for determining unexpected Audi pre sense interventions. |
| A9119232037809_5 | 2020-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin contains instructions about updating the navigation map. |
| A921924203815111 | 2020-01-08. 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_1 | 2020-01-08. 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_2 | 2020-01-08. 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 |
| A9219232038151_1 | 2019-12-07. Service bulletin. VISIBILITY; VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct. 2015-2021 A3 Cabriolet, 2016-2018 A3 Sportback, 2018-2021 A5 Sportback, 2012 and 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2021 RS 6 Avant |
| A4419722056386_2 | 2019-12-06. Service bulletin. STEERING. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. 2019-2021 A3 Cabriolet, 2019-2021 A5 Sportback, 2019-2021 RS5 Cabriolet, 2019-2021 S5 Sportback, 2021 RS6 Avant |
| A4419702056386_1 | 2019-11-07. Service bulletin. WHEELS. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. 2019-2021 A3 Cabriolet, A5 Sportback, RS5 Cabriolet, S5 Sportback, 2021 RS6 Avant |
| A0019252011732_1 | 2019-10-21. Service bulletin. ELECTRICAL SYSTEM. 00 Software Version Management (SVM), operating instructions |
| A9119932037087_4 | 2019-10-15. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for enabling text message notifications through the MMI system. |
| A0019262052680_2 | 2019-10-02. Service bulletin. EQUIPMENT. This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage. |
| A9119762051720_3 | 2019-09-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for submitting a customer registration form for the Audi phone box to the customer's Mobile Network Operator. |
| A1719982028440_4 | 2019-09-09. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. This informational bulletin explains when the range display is empty in the on-board computer. Also A3 Cabriolet 2015-2021, A3 Sportback 2016-2018, 2005 A4 Cabriolet , 2005-2009 S4 Cabriolet, 2010-2012 and 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2021 S6, 2005 and 2006 A7, 2005-2011 and 2021 S7 2005-2006 and 2021 S8, 2019-2021 E-Tron Quattro |
| A9119742037809_4 | 2019-09-09. 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 |
| A0019222047812_6 | 2019-07-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin contains instructions for setting up and using the SD Creator program. 2010-2021 A3, 2015-2021 A3 Cabrio, 2010-2016 A3 Sportback, 2010-2021 A4, 2010-2021 A4 allroad, 2010-2012 A4 Avant, 2010-2021 A5 Cabrio, 2010-2021 A5 Coupe, 2018-2021 A5 Sportback, 2010-2021 A6, 2010-2021 A7, 2010-2021 A8, 2010-2019 e-tron, 2019-2021 e-tron quattro, 2015-2021 Q3, 2010-2021 Q5, 2010-2021 Q7, 2019-2021 Q8, 2010-2020 R8 Coupe, 2011-2020 R8 Spyder, 2017-2019 RS3, 2010-2021 RS5, 2010-2020 RS5 Cabrio, 2016-2018 RS6, 2016-2018 RS7, 2010-2012 S4, 2010-2021 S5 Cabrio, 2010-2021 S5 Coupe, 2018-2021 S5 Sportback, 2010-2021 S6, 2010-2020 S7, 2010-2021 SQ5, 2010-2021 TT Coupe, 2010-2021 TT Roadster |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.