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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.

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By component

By trouble code

Only bulletins with component: Software are shown. Show all

Bulletins, newest first
A0023822047812_72024-01-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
A9123542067843_32024-01-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information when the configuration appears without apparent reason with MIB3.
A9123432071056_22023-12-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when Outlook contacts are not accessible via the MMI when using Apple devices with MIB3.
A9123072064681_32023-07-10. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information for when wireless charging with the Audi Phone Box does not work.
A9123952067843_22023-06-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides instructions to disable the configuration wizard.
A4622332051095_72022-07-01. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
DC_Closure 90T22022-06-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This is to inform you that Audi has decided to discontinue the update that was being provided under Service Action 90T2.
A9122002067021_12022-06-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin describes several software updates that addresses a variety of errors that may occur in the MIB3.
A4822272065871_22022-05-05. Service bulletin. STEERING; ELECTRICAL SYSTEM:SOFTWARE. The steering warning lamp may light up in the instrument cluster with a steering fault due to a software issue. This bulletin describes the steps to perform the update.
Dealer 90T22022-03-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; COMMUNICATION. Update the emergency call module control unit and communication unit software.
Circular 90T22022-03-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; COMMUNICATION. Update the emergency call module control unit and communication unit software.
A9122772066074_12022-03-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; LANE DEPARTURE: ASSIST. A software malfunction in the MMI may cause the steering correction setting for the lane assist to not be available. A solution is currently under development, and the bulletin requests that technicians submit a PSS record for review.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.