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
| TSB_2012749_18 | 2025-05-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the exterior lights have moisture accumulation. |
|---|---|
| TSB_2071893_2 | 2025-05-03. Service bulletin. SEATS. This TSB provides damage assessment guidelines for textile seat covers. |
| TSB_2061922_4 | 2025-05-03. Service bulletin. VISIBILITY/WIPER. This TSB provides information on proper documentation for visual complaints regarding the headlights and taillights. |
| TSB_2077475_1 | 2025-05-03. Service bulletin. POWER TRAIN. This TSB provides information when the earbox warning light is on; event memory entry P0174A00/P174E00. |
| TSB_2077443_1 | 2025-04-04. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when convenience opening does not work. |
| TSB_2077320_1 | 2025-04-04. Service bulletin. UNKNOWN OR OTHER. This TSB is a label placement guide as required by CARB for remanufactured parts. |
| TSB_2075530_2 | 2025-04-04. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds. |
| TSB_2071185_2 | 2025-04-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information regarding various comlaints related to Apple CarPlay with Apple iOS devices. |
| TSB_2041717_13 | 2025-04-04. Service bulletin. VISIBILITY/WIPER. This bulletin provides information regarding the GFF test plan required for A/C compressr replaements regardless of the concern. |
| TSB_2038689_9 | 2025-04-04. Service bulletin. SUSPENSION. This bulletin provides information regaridng securting the bump stops when there are noises form the rear of the vehicle. |
| TSB_2018194_12 | 2025-04-04. Service bulletin. SUSPENSION. This bulletin serves as an assessment aid for shock absorber leaks. |
| TSB-2077014_1 | 2025-03-19. Service bulletin. STEERING. This bulletin provides information when there are cracking noises from the steering rack when steering. |
| TSB-2076945_1 | 2025-03-19. Service bulletin. STRUCTURE:BODY. This bulletin provides information about leather care and seat repair. |
| A5325102043016_4 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when there are visible wires in the interior. |
| A9125072061028_6 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are no services in the MMI and the SOS LED does not turn green after PDI. |
| A6625162049680_3 | 2025-02-05. Service bulletin. STRUCTURE:BODY. This TSB provides information when the exterior rubber trim is spotted. |
| A4025922076604_1 | 2025-02-05. Service bulletin. SUSPENSION. This TSB provides informaiton about locating noises coming from suspension. |
| A4025902018194_11 | 2025-02-05. Service bulletin. SUSPENSION. This bulletin is an assessment aid for shock absorber leaks. |
| A3725312074822_2 | 2025-02-05. Service bulletin. SUSPENSION. This bulletin provides information when noises from wheel input shaft/drive shaft are reported. |
| A4825772065978_4 | 2025-02-05. Service bulletin. STEERING. This bulletin provides information when the steering wheel does not heat up sufficiently. |
| A4025872047920_11 | 2025-02-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when noises from the front end and dash panel, rolling noises are noted. |
| A9124922068573_4 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message. |
| A9024582075217_2 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the display of guages is faulty in Audi virtual cockpit. |
| A9024502070020_5 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Audi virtual cockpit display has semi-circular marks on edges of the display. |
| A9024492076100_1 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when myAudi requires a user to log in again. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.