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Service bulletins for the 2021 Audi Q3

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.

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

By type

By component

By trouble code

Bulletins, newest first
A6022592065731_22022-06-07. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin describes how to modify the sunroof frame if the sunroof glass panel or sunroof frame require replacement, as replacement components have been updated.
A4422922022563212022-06-07. Service bulletin. STEERING. This bulletin provides information regarding vibrations or movement that are felt in the wheel.
A9022582059335_32022-05-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains information on noises from the instrument cluster installation area.
A8722252010146172022-05-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin contains instructions for properly cleaning and removing a musty odor from the heating and ventilation system.
A9022572032113_62022-05-05. Service bulletin. EQUIPMENT:ELECTRICAL. This is an informational bulletin containing information about the outside temperature reading.
A9622762064361_22022-05-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides instruction for a software update in instances where there is a traffic sign recognition fault.
A8722242064077_12022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A4622302034181202022-05-05. Service bulletin. SERVICE BRAKES. This technical service bulletin provides troubleshooting for brake noise.
A9022562066712_12022-05-05. Service bulletin. STEERING; ELECTRICAL SYSTEM:HORN. This bulletin provides instruction to address a horn that is sounding unintentionally while turning the wheel.
A6622862046229_32022-05-05. Service bulletin. STRUCTURE. This informational bulletin outlines proper warranty procedure for optical defects.
A2022422065287_32022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes the repair procedure to address an internal defect in the EVAP leak detection pump causing false leak detection.
DC_202203292022-04-05. Service bulletin. EQUIPMENT. Dealer Communication: Vehicle Sales Reporting, Reinstatement, and Audit Policy
A8722222066686_22022-04-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin describes a software update to address DTC B131811 in the HVAC control module.
A8722212066686_12022-04-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin describes a software update to address DTC B131811 in the HVAC control module.
A2722442064534_22022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for when DTC P0A1E00 and/or P10F300 is stored in the starter/generator control module with a warning message.
A9122922065728_22022-04-05. Service bulletin. EQUIPMENT. This bulletin describes an error which may arise due to a bug in the software of a customer's phone, which causes the Apple CarPlay screen to appear blank, and for audio drop-outs.
A9122892037809_92022-04-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin contains instructions about updating the navigation map.
A4222482038689_62022-04-05. 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.
A4022342018194102022-04-05. Service bulletin. SUSPENSION. This informational bulletin contains knowledge on why oil may appear on one or several of the shock absorbers.
A4822232053869_52022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800.
SM 17-20222022-04-05. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
A9122872066315_12022-04-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin describes a condition in which the USB ports may become damaged during use, and the procedure to repair.
A1722172060750_32022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A9022462052299_42022-03-04. Service bulletin. EQUIPMENT. This bulletin contains repair instructions for proper transport mode deactivation (DTC U142100, DTC P169A00, and U13EB00 ).
A4622282051095_52022-03-04. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions on how to download and use the Audi Frequency App.

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