Service bulletins for the 2011 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.
543 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 1913462033491 5 | 2021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Customer may report coolant leaking from the engine area. |
|---|---|
| 1713462030197 12 | 2021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Upon customer complaint of excessive engine oil consumption. |
| 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. |
| A0121102028842_3 | 2021-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin gives instructions for identifying chip tuning. |
| A4821092028220_9 | 2021-09-03. Service bulletin. EQUIPMENT. This technical service bulletin informs the reader that damage to the appearance of the leather steering wheel caused by outside influence is not covered under warranty. |
| A0021482021205_6 | 2021-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This informational bulletin explains how to order replacement VIN plates, Safety Certification Labels, etc. |
| A0021472031473_3 | 2021-07-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. |
| SM 44-2021 | 2021-07-02. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| A1921182061604_4 | 2021-06-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin contains instructions for resolving a coolant leak. |
| A9121042024323_8 | 2021-06-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning. |
| A9021032058077_5 | 2021-06-03. Service bulletin. EQUIPMENT; SERVICE BRAKES. This bulletin contains instructions for determining unexpected Audi presense interventions. |
| A1021222018288_9 | 2021-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This technical service bulletin reminds the reader to check for metal debris when replacing an engine. |
| A0021442052680_3 | 2021-06-03. Service bulletin. EQUIPMENT. This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage). |
| A8721132010146_1 | 2021-06-03. Service bulletin. STRUCTURE. This bulletin contains instructions for properly cleaning and removing a musty odor in the vehicle. |
| A6421802020552_1 | 2021-06-03. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This bulletin provides instructions on how to clean exterior glass. |
| ELSAallignAudi | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM. Elsa2Go campaign information is now 100% aligned with ElsaPro. This update to Elsa2Go ensures that both systems are displaying the same campaign information, including OPEN/CLOSED status, repair date as well as criterions at the same time without any discrepancy. |
| A9021982059335_2 | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This bulletin contains information on noises from the instrument cluster installation area. |
| A9021002032113_5 | 2021-05-06. Service bulletin. EQUIPMENT. This information bulletin contains a background on the outside air temperature reading. |
| A4021242016453_4 | 2021-05-06. Service bulletin. SUSPENSION. This bulletin contains instructions for determining if bushings need to be replaced. |
| A7021722038029_8 | 2021-05-06. Service bulletin. STRUCTURE; EQUIPMENT. This bulletin contains repair instructions for various squeaks and/or rattles that are heard from the roof area on vehicles equipped with pananormic sunroof. |
| A5721752022032_9 | 2021-05-06. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This technical service bulletin provides troubleshooting information for the vehicle locking system. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.