Acura RDX Service Bulletins (2021)
193 manufacturer communications on file.
- May 18, 2026•Document ID: 11033180Over The AirELECTRICAL SYSTEM
- Mfr Comm. #:
- B21673
- Date Added:
- June 2, 2026
- Manufacturer:
- ACURA
SummaryOver The Air Update - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System Updates. System Updates contain upgrades that fix a variety of operational errors and/or enhancements that add new functionality. Information for the various software releases can be found in this document. Software version: D.1.6.4
Associated Products (1)Associated Documents - October 17, 2025•Document ID: 11024891Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B23-004
- Date Added:
- November 4, 2025
- Manufacturer:
- ACURA
Summary"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."
Associated Products (5)Associated Documents - September 17, 2025•Document ID: 11023274Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- B25-049
- Date Added:
- September 23, 2025
- Manufacturer:
- ACURA
SummaryService Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.
Associated Products (6)Associated Documents - May 30, 2025•Document ID: 11019258Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- B19-053
- Date Added:
- June 5, 2025
- Manufacturer:
- ACURA
SummaryService Bulletin - The front and/or rear brakes make a high-pitched squeal when the brakes are lightly applied at 24 km/h (15 mph) or less, with ambient temperatures below 10°C (50°F).
Associated Products (4)Associated Documents - May 16, 2025•Document ID: 11019244Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- B19-053
- Date Added:
- June 5, 2025
- Manufacturer:
- ACURA
SummaryService Bulletin - The front and/or rear brakes make a high-pitched squeal when the brakes are lightly applied at 24 km/h (15 mph) or less, with ambient temperatures below 10°C (50°F).
Associated Products (4)Associated Documents - May 10, 2025•Document ID: 11018501OtherSTRUCTURE:BODY
- Mfr Comm. #:
- BTI&05092025901
- Date Added:
- May 20, 2025
- Manufacturer:
- ACURA
SummaryDealer 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.
Associated Products (9)Associated Documents - April 25, 2025•Document ID: 11018015OtherSTRUCTURE:BODY
- Mfr Comm. #:
- BTI&04252025901
- Date Added:
- May 6, 2025
- Manufacturer:
- ACURA
SummaryDealer 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.
Associated Products (9)Associated Documents - December 18, 2024•Document ID: 11012814Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B23-025
- Date Added:
- January 13, 2025
- Manufacturer:
- ACURA
SummaryService Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can potentially affect the audio sound quality.
Associated Products (1)Associated Documents - September 18, 2024•Document ID: 11008048OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- ONL6M309172024
- Date Added:
- September 26, 2024
- Manufacturer:
- ACURA
SummaryOwner Notification Letter - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can potentially affect the audio sound quality.
Associated Products (10)Associated Documents - July 30, 2024•Document ID: 11005523Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B24-045
- Date Added:
- August 2, 2024
- Manufacturer:
- ACURA
SummaryService Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system transport (MOST) bus network which can potentially affect the audio sound quality.
Associated Products (4)Associated Documents - July 30, 2024•Document ID: 11005521OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- BBOM07302024902
- Date Added:
- August 2, 2024
- Manufacturer:
- ACURA
SummaryDealer Message - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the Media Oriented System Transport (MOST) bus network which can potentially affect the audio sound quality.
Associated Products (10)Associated Documents - July 13, 2024•Document ID: 11005193Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- B19-053
- Date Added:
- July 24, 2024
- Manufacturer:
- ACURA
SummaryService Bulletin - The front and/or rear brakes make a high-pitched squeal when the brakes are lightly applied at 24 km/h (15 mph) or less, with ambient temperatures below 10°C (50°F).
Associated Products (4)Associated Documents - May 11, 2024•Document ID: 11000272Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- B19-053
- Date Added:
- May 22, 2024
- Manufacturer:
- ACURA
SummaryService Bulletin - The front and/or rear brakes make a high-pitched squeal when the brakes are lightly applied at 15 mph or less, with ambient temperatures below 50° F.
Associated Products (4)Associated Documents - April 2, 2024•Document ID: 10253294Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- B19-053
- Date Added:
- April 17, 2024
- Manufacturer:
- ACURA
SummaryService Bulletin- The front and/or rear brakes make a high-pitched squeal when lightly applied at 15 mph or less. The front brakes stop squealing when they are warmed up.For the front brakes, the brake damping force of applied shims is insufficient at colder temperature. For the rear brakes, there is not enough dampening between the rear brake pads and shims.
Associated Products (4)Associated Documents - March 27, 2024•Document ID: 10252481Service Bulletin/Repair InstructionsPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN
- Mfr Comm. #:
- B23-010
- Date Added:
- April 3, 2024
- Manufacturer:
- ACURA
SummaryService Bulletin - During engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed DTC rich criteria.
Associated Products (6)Associated Documents - March 12, 2024•Document ID: 10251896Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- B20-053
- Date Added:
- March 19, 2024
- Manufacturer:
- ACURA
SummaryService Bulletin - The MIL is flashing with a loss of power. This is most common in hot, humid regions, or after a period of rainfall. Humid air within the intake passage may condense and accumulate moisture during steady driving which enters the engine and may cause a misfire and a flashing MIL.
Associated Products (2)Associated Documents - February 15, 2024•Document ID: 10250736Service Bulletin/Repair InstructionsVISIBILITY
- Mfr Comm. #:
- BTI&02152024901
- Date Added:
- February 27, 2024
- Manufacturer:
- ACURA
SummaryDealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2024 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.
Associated Products (4)Associated Documents - January 22, 2024•Document ID: 10249207Service Bulletin/Repair InstructionsVISIBILITY
- Mfr Comm. #:
- BTI&01222024902
- Date Added:
- January 26, 2024
- Manufacturer:
- ACURA
SummaryDealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2024 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.
Associated Products (4)Associated Documents - January 17, 2024•Document ID: 10249203Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- B23-004
- Date Added:
- January 26, 2024
- Manufacturer:
- ACURA
SummaryService 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.
Associated Products (5)Associated Documents - January 2, 2024•Document ID: 10248681Service Bulletin/Repair InstructionsVISIBILITY/WIPER; VISIBILITY
- Mfr Comm. #:
- BTI&01022024902
- Date Added:
- January 9, 2024
- Manufacturer:
- ACURA
SummaryDealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2024 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.
Associated Products (4)Associated Documents