Service bulletins for the 2012 Audi A4
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.
591 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Parking brake are shown. Show all
| 46148420311353 | 2024-03-04. Service bulletin. PARKING BRAKE. Yellow warning light for electric parking brake on, ACC inoperative once |
|---|---|
| 27 13 20 2033524 | 2022-05-02. Service bulletin. PARKING BRAKE. Incorrect tolerances of cruise control ?Set? button. Cruise control deactivates sporadically or cannot be activated. A new set speed cannot be saved. ?Set? button on cruise control stalk does not work. |
| A9121642024323_7 | 2021-02-04. Service bulletin. PARKING BRAKE:ELECTRICAL:CONTROL MODULE. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.