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
| BTI&10162023903 | 2023-10-25. Service bulletin. VISIBILITY; VISIBILITY/WIPER. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2021-2022 RDXs with a client complaint of the front wipers inop. To fully 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&10022023904 | 2023-10-17. Service bulletin. VISIBILITY/WIPER; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2021-2022 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&09142023901 | 2023-09-21. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2021-2022 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&08302023902 | 2023-09-06. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2021-2022 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| 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. |
| B20-031 | 2023-07-06. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; ELECTRICAL SYSTEM. Service Bulletin - There is a popping or crackling from the speakers, a blank display, or no sound from the audio system due to a loose connection in the MOST bus network. |
| 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&03282023902 | 2023-04-04. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 MDXs & RDXs with a client complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B23-010 | 2023-03-23. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - Under certain circumstances, the vehicle may experience driveability concerns. This may result in the following DTC’s to set: • P0300 (Random Misfire Detected), • P0301 (No. 1 Cylinder Misfire Detected), • P0302 (No. 2 Cylinder Misfire Detected), • P0303 (No. 3 Cylinder Misfire Detected), • P0304 (No. 4 Cylinder Misfire Detected), • P0172 (Fuel System Too Rich) |
| BTI&03132023906 | 2023-03-18. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 MDXs & RDXs with a client complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. 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&02232023904 | 2023-03-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 MDXs & RDXs with a client complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. |
| BTI&02072023902 | 2023-02-15. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Dealer Message- American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 MDXs & RDXs with a client complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. 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&01182023901 | 2023-01-25. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 MDXs & RDXs with a client complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. 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&01172023 | 2023-01-25. Service bulletin. 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 it's 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&01032023904 | 2023-01-11. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 MDXs & RDXs with a client complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. 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&01032023902 | 2023-01-11. Service bulletin. VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. 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 it's 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&12132022905 | 2022-12-21. Service bulletin. 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&12132022904 | 2022-12-21. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 RDXs & TLX L4s with a client complaint of an oil leak or a dealer technician noticing an oil leak from the head cover gasket during a routine maintenance. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&12132022902 | 2022-12-21. Service bulletin. VISIBILITY. 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&11282022905 | 2022-12-06. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. 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&11282022903 | 2022-12-06. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 RDXs & TLX L4s with a client complaint of an oil leak or a dealer technician noticing an oil leak from the head cover gasket during a routine maintenance. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BTI&11282022902 | 2022-12-06. Service bulletin. SERVICE BRAKES; PARKING BRAKE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 RDXs with a client complaint of a front and/or rear brake noise which can be described as a squeal. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BTI&11282022901 | 2022-12-06. Service bulletin. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.