Service bulletins for the 2008 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.
311 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| TRMDMVID_Audi | 2021-09-03. Service bulletin. AIR BAGS. In conjunction with the Idaho DMV, Audi will be sending Takata airbag recall reminder notices to approximately 688 Audi owners in the State of Idaho on August 30, 2021. |
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| 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. |
| TRMDMVNY_Audi | 2021-07-02. Service bulletin. AIR BAGS. In conjunction with the New York DMV, Audi will be sending Takata airbag recall reminder notices to approximately 6,957 Audi owners in the State of New York on June 21, 2021. |
| TRMTXDMV_Audi | 2021-06-03. Service bulletin. AIR BAGS. In conjunction with the Texas DMV, Audi will be sending Takata airbag recall reminder notices to approximately 7,185 Audi owners in the State of Texas on May 17, 2021. |
| 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). |
| 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. |
| A4021242016453_4 | 2021-05-06. Service bulletin. SUSPENSION. This bulletin contains instructions for determining if bushings need to be replaced. |
| A5721752022032_9 | 2021-05-06. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This technical service bulletin provides troubleshooting information for the vehicle locking system. |
| A9121862062713_1 | 2021-04-06. Service bulletin. EQUIPMENT. This bulletin contains repair instructions for when there is radio static when the rear heater is active. |
| A9421362023322_3 | 2021-04-06. Service bulletin. EXTERIOR LIGHTING. This informational bulletin contains information on the different shading of LED headlights. |
| A4621252054385_2 | 2021-03-04. Service bulletin. EQUIPMENT; SERVICE BRAKES. This informational contains an explanation for when the customer hears creaking noises when braking at almost standstill (crawling when pulling away or briefly before standstill). |
| A462123202258410 | 2021-03-04. Service bulletin. SERVICE BRAKES. This informational bulletin provides diagnostic information for brake conditions. |
| A1721122060750_2 | 2021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks. |
| SM C-2020 | 2021-01-08. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed (State of California only). |
| A0020362002047_1 | 2020-12-21. Service bulletin. EQUIPMENT:ELECTRICAL. This information bulletin contains instructions for technicans on how to ensure their TAC call goes smoothly. |
| A1720112060750_1 | 2020-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This bulletin contains instructions for using the UV additive to find engine oil leaks. |
| 21AUTIRECHAINS | 2020-10-06. Service bulletin. TIRES; EQUIPMENT; WHEELS. Added new graphic to reflect where to find MY 21 information |
| Audi Part Labels | 2020-09-03. Service bulletin. EQUIPMENT. Recall Reminder Part Labels |
| TRMMIDOS_Audi | 2020-09-03. Service bulletin. AIR BAGS. In conjunction with the Michigan Department of State, Audi will be sending Takata airbag recall reminder notices to approximately 3,000 Audi owners in the State of Michigan on August 10, 2020. |
| TRMTX_Audi | 2020-08-06. Service bulletin. AIR BAGS. In conjunction with the County of Fort Bend, Audi will be sending Takata airbag recalll reminder notices to approximately 370 Audi owners in the State of Texas on July 28, 2020. |
| TRMTN_Audi | 2020-08-06. Service bulletin. AIR BAGS. In conjunction with the Tennessee DMV, Audi will be sending Takata airbag recall reminder notices to approximately 2,300 Audi owners in the State of Tennessee on July 7, 2020. |
| TRMMRFL_Audi | 2020-07-07. Service bulletin. AIR BAGS. In conjunction with the City of Miramar, Audi sent Takata airbag recall reminder notices to approximately 89 Audi owners in the State of Florida on June 26, 2020. |
| TRMLPCA_Audi | 2020-07-07. Service bulletin. AIR BAGS; EQUIPMENT. In conjunction with the City of La Puente, Audi will be sending Takata airbag recall reminder notices to approximately 45 Audi owners in the State of California on June 22, 2020. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.