Service bulletins for the 2020 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.
234 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| BTI&10212022903 | 2022-10-24. 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. |
|---|---|
| BBTS221001 | 2022-10-12. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; VISIBILITY. Tech Line Article - If you are inspecting an MDX/RDX and notice a loss of auto function or no function of the sunroof/sunshade, please try these steps before removing any parts or trying any other repairs. |
| BTI&10062022908 | 2022-10-12. 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&10062022906 | 2022-10-12. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; 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. |
| B21-014 | 2022-10-05. Service bulletin. FUEL SYSTEM, GASOLINE. Service Bulletin - (Repair Procedure Revision) Due to swelling of the fuel pump motor impeller, the fuel pump may seize and stop working. If this occurs, the check engine light may be displayed with DTC P0087 (Fuel Rail Pressure Too Low) stored, the engine may not start, or the engine could stall while driving, increasing the risk of a crash. Replace the fuel pump motor. |
| BTI&09152022901 | 2022-09-22. Service bulletin. VISIBILITY; 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. |
| B21-029 | 2022-09-09. Service bulletin. ELECTRICAL SYSTEM. Service bulletin - As of August 23, 2022, the Product Improvement Campaign has ended. The TCU can no longer be updated using Over The Air updates. If the customer needs to restore TCU services, the only option is to replace the TCU. This would be done as a customer pay repair. |
| B22-016 | 2022-09-09. Service bulletin. ELECTRICAL SYSTEM. "Dealer message - Audio sound stops and No Audio Connection message appears in the audio display. NOTE: This is not related to MOST ring break conditions." |
| ONLP6B08082022 | 2022-09-09. Service bulletin. ELECTRICAL SYSTEM. Customer letter - Our records indicate that a Product Update has not been completed on this vehicle . The audio/information screen may show the clock being off by 1 hour. To correct this, an audio software update is available. Acura strongly recommends updating your vehicle as soon as possible. |
| 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. |
| B22-014 | 2022-07-07. Service bulletin. EQUIPMENT; VISIBILITY; STRUCTURE. Service bulletin - The rear windshield glass is shattered or broken with no external impact. Incorrect specification for the rear defroster grid. |
| 24142_acura_6gb_ | 2022-07-07. Service bulletin. ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT. "Notice - Our records indicate that a PRODUCT IMPROVEMENT UPDATE has not been completed on this vehicle (Vehicle Identification Number [VIN NUMBER]). The date for updating vehicles was extended from February 22, 2022 to August 22, 2022. As of August 23, 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported. The Telematics Control Unit (TCU) using the Over the Air (OTA) update is required to connect to the VoLTE network to continue communications. Acura strongly recommends updating your vehicle as soon as possible, or risk having to replace the TCU at your cost." |
| 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. |
| BPO05022022901 | 2022-06-06. Service bulletin. EQUIPMENT. Dealer message - American Honda is investigating a potential quality concern with RDX Accessory Cross Bar kit. Due to this investigation, American Honda is requesting all dealers to return any uninstalled inventory to American Honda for investigation and validation by the supplier. |
| B98015 | 2022-05-09. Service bulletin. EQUIPMENT. Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated. |
| 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&04132022901 | 2022-05-06. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. 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&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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.