Service bulletins for the 2021 Acura RDX
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.
194 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Body and frame are shown. Show all
| B23-004 | 2025-11-04. Service bulletin. STRUCTURE:BODY. "Service Bulletin - A pop noise can occur from the rear roof area when turning into driveways, bumps, or on an incline due to, in some cases, the panoramic roof frame mounting bolts are unable to maintain the necessary clamp force. This can allow shifting, which may lead to a pop noise." |
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| BTI&05092025901 | 2025-05-20. Other. STRUCTURE:BODY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2025 RDXs and 2022-2025 MDXs with a client complaint of a pop noise in the rear sunroof area. Clients may describe a single pop noise heard while driving over a bump or turning in and out of driveways. 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&04252025901 | 2025-05-06. Other. STRUCTURE:BODY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2025 RDXs and 2022-2025 MDXs with a client complaint of a pop noise in the rear sunroof area. Clients may describe a single pop noise heard while driving over a bump or turning in and out of driveways. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B23-004 | 2024-01-26. Service bulletin. STRUCTURE. Service Bulletin - A pop noise from the rear roof area occurs when turning into driveways, bumps, or on an incline. It was determined that, in some cases, the panoramic roof frame mounting bolts are unable to maintain the necessary clamp force. This can allow shifting, which may lead to a pop noise. |
| B23-004 | 2023-08-18. Service bulletin. STRUCTURE. Service Bulletin - Pop noise from the rear roof area when turning into driveways, bumps, or on an incline due to panoramic roof frame mounting bolts unable to maintain the necessary clamp force. This can allow shifting, which may lead to a pop noise. |
| B23-013 | 2023-07-27. Service bulletin. STRUCTURE:INTERIOR PANELS:SUN VISOR; ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY. Service Bulletin - The client may notice a loss of auto function, or no function, of the sunroof glass/sunshade due to a Motor-Control Unit error code in the clock frequency check falsely detecting a failure. |
| B23-013 | 2023-07-21. Service bulletin. STRUCTURE; VISIBILITY:SUN/MOON ROOF ASSEMBLY. Service Bulletin - The client notices loss of auto function, or no function, of the sunroof glass/sunshade due to a Motor-Control Unit error code in the clock frequency check falsely detecting a failure. |
| B23-013 | 2023-06-02. Service bulletin. STRUCTURE; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:INTERIOR PANELS:SUN VISOR. Service Bulletin - A driver can notice loss of auto function, or no function, of the sunroof glass/sunshade due to Motor-Control Unit error code in the clock frequency check falsely detecting a failure. |
| BTI&09092022901 | 2022-09-14. Service bulletin. STRUCTURE; VISIBILITY. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. 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&08252022902 | 2022-09-09. Service bulletin. VISIBILITY; STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. 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&08102022903 | 2022-09-09. Service bulletin. STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. 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&07262022903 | 2022-08-02. Service bulletin. STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. 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&07212022901 | 2022-08-02. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). 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&07052022901 | 2022-08-02. Service bulletin. STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). 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&06202022901 | 2022-07-07. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). 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&06162022901 | 2022-07-07. Service bulletin. EQUIPMENT; STRUCTURE; VISIBILITY:SUN/MOON ROOF ASSEMBLY. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind. |
| BTI&06092022901 | 2022-07-07. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE; EQUIPMENT. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind. |
| BTI&06022022902 | 2022-07-07. Service bulletin. EQUIPMENT; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind. |
| BTI&05172022902 | 2022-06-06. Service bulletin. STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind. |
| BTI&05122022901 | 2022-06-06. Service bulletin. STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind. |
| BTI&05062022904 | 2022-06-06. Service bulletin. STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind. |
| BTI&04192022901 | 2022-05-06. Service bulletin. STRUCTURE; STRUCTURE:BODY:ROOF AND PILLARS. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind. |
| BTI&04052022902 | 2022-05-06. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&04052022901 | 2022-05-06. Service bulletin. STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind. |
| BTI&03292022902 | 2022-04-07. Service bulletin. STRUCTURE; VISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT:MECHANICAL. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal 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.