Service bulletins for the 2021 Acura NSX
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.
25 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| BTI&05062022905 | 2022-06-06. Service bulletin. STEERING. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
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| BTI&04132022902 | 2022-05-06. Service bulletin. STEERING:COLUMN; STEERING. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&03282022902 | 2022-04-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STEERING. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&03112022906 | 2022-03-15. Service bulletin. STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&02232022 | 2022-03-02. Service bulletin. STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&02082022903 | 2022-02-15. Service bulletin. STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&02082022902 | 2022-02-15. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&01222022904 | 2022-01-26. Service bulletin. STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&01222022903 | 2022-01-26. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&01032022911 | 2022-01-12. Service bulletin. STEERING; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&01032022909 | 2022-01-12. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&11292021902 | 2021-12-03. Service bulletin. STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&11292021901 | 2021-12-03. Service bulletin. STRUCTURE:INTERIOR PANELS:DASHBOARD; EQUIPMENT:ELECTRICAL; STRUCTURE; STRUCTURE:BODY:DOOR. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B21100A | 2021-11-16. Service bulletin. AIR BAGS; SEATS. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor. |
| BTI&10202021903 | 2021-10-28. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&10202021902 | 2021-10-28. Service bulletin. STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&10012021902 | 2021-10-16. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&09072021902 | 2021-09-16. Service bulletin. STRUCTURE:BODY; STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B21-025 | 2021-09-02. Service bulletin. WHEELS. Service Bulletin - There is a clicking from the wheel area while driving. |
| BTI&08192021905 | 2021-08-25. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&07302021903 | 2021-08-03. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B21-025 | 2021-07-27. Service bulletin. WHEELS. Service Bulletin - There is a clicking from the wheel area while driving. |
| BTI&07122021 | 2021-07-21. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&06082021901 | 2021-06-18. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS05192021 | 2021-05-25. Service bulletin. VISIBILITY; STRUCTURE; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 NSXs with a client complaint of wind noise. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.