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Service bulletins for the 2021 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.

785 on file from NHTSA, as of 2026-10-19.

By type

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.
A0123692071199_22023-09-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information for when the MIL is on and P045600 is stored.
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.
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.
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.
A9022382065490_22022-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. This bulletin describes a concern where the message "SAFE CP" displays in the virtual cockpit and recommends a software update to resolve this matter.

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