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
Only bulletins with component: Glass, wipers and mirrors are shown. Show all
| A642285202055211 | 2022-08-04. Service bulletin. VISIBILITY; EQUIPMENT. This bulletin provides instructions on how to properly clean exterior glass. |
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| A9222312067557_1 | 2022-08-04. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin advises that the window washer pump may become blocked due to frozen washer fluid; one more more DTCs may be present: DTCs B126101, B126111, or B126113. |
| A8722272041717_8 | 2022-06-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This informational bulletin details on how to get a GFF test plan for A/C compressor replacements. |
| A872225201014617 | 2022-05-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin contains instructions for properly cleaning and removing a musty odor from the heating and ventilation system. |
| A6421802020552_1 | 2021-06-03. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This bulletin provides instructions on how to clean exterior glass. |
| 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.