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: Body and frame are shown. Show all
| A0021472031473_3 | 2021-07-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. |
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| A8721132010146_1 | 2021-06-03. Service bulletin. STRUCTURE. This bulletin contains instructions for properly cleaning and removing a musty odor in the vehicle. |
| A7021722038029_8 | 2021-05-06. Service bulletin. STRUCTURE; EQUIPMENT. This bulletin contains repair instructions for various squeaks and/or rattles that are heard from the roof area on vehicles equipped with pananormic sunroof. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.