AUDI
A9421422063973_1
Manufacturer communications
- Publication date
- 2021-07-14
- Received by NHTSA
- 2021-08-04
- NHTSA record numbers
- 10199220
Manufacturer summary
Original wording in English
This bulletin contains a software update for a tail light warning with DTCs B16D431, B16D531, B16D631, and/or B16D731.
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.