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: Tail lights are shown. Show all
| A9423672071954_1 | 2023-11-06. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight. |
|---|---|
| A9421422063973_1 | 2021-08-04. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for a tail light warning with DTCs B16D431, B16D531, B16D631, and/or B16D731. |
| Dealer 94M9 | 2021-02-04. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING:TAIL LIGHTS. The rear lid auxiliary tail lamp may flicker due to an internal electronics problem (increased resistance). As a result, the rear lid auxiliary tail lamp may sporadically fail to function. This issue does not affect the function of the other rear lamps on the vehicle. |
| Circular 94M9 | 2021-02-04. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. The rear lid auxiliary tail lamp may flicker due to an internal electronics problem (increased resistance). As a result, the rear lid auxiliary tail lamp may sporadically fail to function. This issue does not affect the function of the other rear lamps on the vehicle. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.