Service bulletins for the 2011 Audi S4
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.
775 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| A171673203019716 | 2017-02-23. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR EXCESSIVE OIL CONSUMPTION AND UPDATE THE SOFTWARE IF NEEDED. |
|---|---|
| A01166520354544 | 2017-02-23. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN CONTAINS INSTRUCTIONS FOR PRESSURE WASHING PORTS TO RESOLVE AN "AIR SYSTEM -- ACTION REQUIRED" MESSAGE. |
| A01166220404032 | 2017-02-23. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO REPLACE EITHER A COMBI VALVE OR VACUUM SOLENOID VALVE DEPENDING ON THE CIRCUMSTANCES UNDER WHICH DTC P244000 AND/OR P244200 WERE STORED. |
| A461644202763614 | 2017-02-15. Service bulletin. SERVICE BRAKES. THIS TECHNICAL SERVICE BULLETIN PROVIDES TROUBLESHOOTING FOR A BRAKE SQUEAL SOUND FROM THE FRONT BRAKES. |
| A461644202763614 | 2017-02-11. Service bulletin. SERVICE BRAKES. THIS TECHNICAL SERVICE BULLETIN PROVIDES TROUBLESHOOTING FOR A BRAKE SQUEAL SOUND FROM THE FRONT BRAKES. |
| A01166920330018 | 2017-02-10. Service bulletin. ENGINE. THIS TEHCNIAL SERVICE BULLETIN PROVIDES CLEANING INSTRUCTIONS FOR CARBON ACCUMULATION IN THE SECONDARY AIR PORTS IN THE CYLINDER HEAD. |
| A17167520381197 | 2016-10-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR. |
| A171674203019717 | 2016-10-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR EXCESSIVE OIL CONSUMPTION AND UPDATE THE SOFTWARE IF NEEDED. |
| EDITION 103 | 2016-05-23. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 24AS | 2016-05-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| SB-8K256H | 2016-05-23. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2027636/7 | 2016-05-23. Service bulletin. SERVICE BRAKES. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2027636/6 | 2016-05-23. Service bulletin. SERVICE BRAKES. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2027636/5 | 2016-05-23. Service bulletin. SERVICE BRAKES. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2033412/2 | 2016-05-23. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2034163/1 | 2016-05-23. Service bulletin. POWER TRAIN. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2027363/2 | 2016-05-23. Service bulletin. POWER TRAIN. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2027363/3 | 2016-05-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2038119/2 | 2016-05-19. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2038119/1 | 2016-05-19. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2033007/6 | 2016-05-19. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2036761/2 | 2016-05-19. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2026299/4 | 2016-05-19. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2031607/1 | 2016-05-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 2030197/6 | 2016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.