Service bulletins for the 2016 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.
465 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 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 |
|---|---|
| A9122892037809_9 | 2022-04-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin contains instructions about updating the navigation map. |
| 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. |
| SM 19-2022 | 2022-04-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward. |
| A4822232053869_5 | 2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. |
| A1722172060750_3 | 2022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks. |
| A4622282051095_5 | 2022-03-04. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions on how to download and use the Audi Frequency App. |
| A6922812056406_3 | 2022-03-04. Service bulletin. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT. This bulletin contains instructions for when the airbag warning is illuminated and DTC B13BCF2 is stored. |
| A9122752024323_9 | 2022-03-04. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning. |
| A462226202258411 | 2022-02-04. Service bulletin. SERVICE BRAKES. This informational bulletin provides diagnostic information for brake conditions. |
| A442287202256320 | 2022-02-04. Service bulletin. WHEELS. This bulletin provides information regarding vibrations or movement that are felt in the wheel. |
| A192228202530313 | 2022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants. |
| A192227202530312 | 2022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants. |
| A9122632065673_1 | 2022-02-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:ELECTRICAL. Certain customers may not see the information provided by Traffic Light Information Online (TLIO) system due to a recent system update; this bulletin describes the steps to identify and address this concern. |
| A462227203418119 | 2022-02-04. Service bulletin. EQUIPMENT; SERVICE BRAKES; EQUIPMENT ADAPTIVE/MOBILITY. This technical service bulletin provides troubleshooting for brake noise. |
| A6922792065962_1 | 2022-02-04. Service bulletin. SEAT BELTS; EQUIPMENT. This bulletin advises on identifying when a foreign object has obstructed normal operation of the seat belt. |
| A4421862056386_7 | 2022-01-05. Service bulletin. STEERING; SUSPENSION. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. |
| A4021312024318_1 | 2022-01-05. Service bulletin. WHEELS. This technical service bulletin provides instructions for correcting a clicking sound from the wheel bearing(s). |
| A4021302023187_6 | 2022-01-05. Service bulletin. STEERING. This information bulletin provides an explanation for squeaking noises heard when the steering wheel is turned or maneuvered. |
| A002155201173212 | 2022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates. |
| A4421842065160_1 | 2021-12-07. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; TIRES:TEMPORARY/EMERGENCY SPARE TIRE. This informational bulletin explains how the temporary/collapsible spare wheel inflates. |
| DC 20210928 | 2021-10-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer Communication - Vehicle Sales Reporting, Reinstatement, and Audit Policy Update - Effective September 30, 2021 |
| SM 70-2021 | 2021-10-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| A9121342018187_1 | 2021-10-05. Service bulletin. EQUIPMENT. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.