Service bulletins for the 2020 Audi A4 allroad
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.
712 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Suspension are shown. Show all
| A4022452047920_6 | 2022-08-03. Service bulletin. SUSPENSION. The bulletin contains diagnosis information for noises on the front end of the vehicle. |
|---|---|
| A4322632051336_6 | 2022-07-01. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM. This bulletin contains repair instructions for DTC B200FF0. |
| A4322582059665_3 | 2022-07-01. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM. This bulletin contains a software update that corrects the control module configuration and addresses a warning light. |
| A402237202431811 | 2022-04-05. Service bulletin. SUSPENSION:FRONT:WHEEL BEARING. This bulletin describes the proper procedure to address a clicking or clacking noise from the wheel bearing |
| A4222482038689_6 | 2022-04-05. Service bulletin. SUSPENSION. This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. |
| A402234201819410 | 2022-04-05. Service bulletin. SUSPENSION. This informational bulletin contains knowledge on why oil may appear on one or several of the shock absorbers. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.