Service bulletins for the 2021 Audi e-tron
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.
1220 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Heating and air conditioning are shown. Show all
| A5721862058452_3 | 2021-12-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW. This bulletin contains repair instructions for when the rear window defog button will light up and then turn off. |
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| A8721162041717_7 | 2021-10-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This informational bulletin details on how to get a GFF test plan for A/C compressor replacements. |
| A8721142063467_1 | 2021-06-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This bulletin contains instructions for addressing a A/C noise with no DTCs. |
| A6820272061594_1 | 2021-01-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. This bulletin contains instructions for addressing center console and dashboard noises. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.