Service bulletins for the 2013 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.
662 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Equipment and accessories are shown. Show all
| SM 48-2022 | 2022-07-01. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
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| A4522262067132_1 | 2022-06-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains instructions for when the message "Audi pre sense currently restricted. See owner's manual" is displayed in the instrument cluster without DTCs. |
| A4622312051095_6 | 2022-06-07. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions on how to download and use the Audi Frequency App. |
| 27 13 17 2033524 | 2022-05-31. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; EQUIPMENT. Cruise control sporadically does not work, set button jams |
| 26 14 23 2037812 | 2022-05-31. Service bulletin. STRUCTURE; EQUIPMENT. These noises may be a result of contact between an exhaust heat shield and the body of the vehicle. Rattling noises are heard coming from underneath the vehicle. |
| 26 13 18 2027945 | 2022-05-31. Service bulletin. EQUIPMENT:MECHANICAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Humming or metallic rattling noise from under the vehicle, heard most consistently during engine idle or slow acceleration. Initial inspection indicates that the noise is coming from the exhaust system. Relative movements in the rear mounting of the exhaust system (rear silencer). |
| A9022572032113_6 | 2022-05-05. Service bulletin. EQUIPMENT:ELECTRICAL. This is an informational bulletin containing information about the outside temperature reading. |
| 27 13 18 2023282 | 2022-05-02. Service bulletin. EQUIPMENT. Battery testing and charging for vehicles equipped with a Battery Data Manager (BDM - J367). When the InCharge 940 is used as a battery charger in auto mode, it performs a battery condition test and may prematurely fail the battery if the charging takes place at the jumper posts in the engine compartment. This is due to the added resistance in the system between the battery and jumper posts. When the InCharge 940 is used as a battery charger in manual mode, the battery condition test is not performed. |
| DC_20220329 | 2022-04-05. Service bulletin. EQUIPMENT. Dealer Communication: Vehicle Sales Reporting, Reinstatement, and Audit Policy |
| A4622282051095_5 | 2022-03-04. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions on how to download and use the Audi Frequency App. |
| 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. |
| A462227203418119 | 2022-02-04. Service bulletin. EQUIPMENT; SERVICE BRAKES; EQUIPMENT ADAPTIVE/MOBILITY. This technical service bulletin provides troubleshooting for brake noise. |
| Audi Newsletter | 2021-12-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Elso pro reminder. |
| Audi Newsletter | 2021-12-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ODIS Quick Reference Guide was sent to all dealer technicians (non-corporate |
| Audi Newsletter | 2021-12-13. Service bulletin. EQUIPMENT. Several weeks ago, the ODIS Quick Reference Guide was sent to all dealer technicians (non-corporate |
| Upcoming Update | 2021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. Upcoming Update 28G6. |
| 9113142013790 8 | 2021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. The navigation DVD or other CD/DVD cannot be ejected. |
| 7413162035814 1 | 2021-12-13. Service bulletin. SEATS; EQUIPMENT. 74 Front center armrest is stuck, does not slide, or is inoperative. |
| 5513332035797 1 | 2021-12-13. Service bulletin. EQUIPMENT. The customer complains of hearing a creaking or knocking noise. |
| 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. |
| 28G6 7K | 2021-11-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Update Bulletin |
| 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 |
| A9121342018187_1 | 2021-10-05. Service bulletin. EQUIPMENT. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker. |
| A8721162041717_7 | 2021-10-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This informational bulletin details on how to get a GFF test plan for A/C compressor replacements. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.