2020 Acura RDX TSBs

234 manufacturer communications for the 2020 Acura RDX sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2020 RDX problem report covers complaints, recalls, and investigations.

234Communications
1Campaigns & extensions

What the bulletins cover

Electrical93 bulletins
Visibility & wipers69 bulletins
Body & structure44 bulletins
Engine23 bulletins
Fuel system23 bulletins
Suspension15 bulletins

Warranty extensions, campaigns & software updates

Worth checking your VIN against — these can mean free or reimbursed work if your vehicle qualifies.

Electrical B21673 May 18, 2026 Software update

Over 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…

Most recent service bulletins

The 20 most recent of 234 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Body & structure B23-004 October 17, 2025

"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…

Engine B25-049 September 17, 2025

Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.

Brakes & stability B19-053 May 30, 2025

Service 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).

Brakes & stability B19-053 May 16, 2025

Service 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).

Body & structure BTI&05092025901 May 10, 2025

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…

Body & structure BTI&04252025901 April 25, 2025

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…

Electrical B23-025 December 18, 2024

Service 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.

Electrical B24-045 July 30, 2024

Service 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.

Brakes & stability B19-053 July 13, 2024

Service 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).

Brakes & stability B19-053 May 11, 2024

Service 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.

Brakes & stability B19-053 April 2, 2024

Service 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…

Transmission & drivetrain B23-010 March 27, 2024

Service Bulletin - During engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed DTC rich criteria.

Engine · Electrical B20-053 March 12, 2024

Service 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…

Brakes & stability B19-053 February 20, 2024

Service Bulletin - The front and/or rear brakes make a high-pitched squeal when lightly applied at 15 mph or less due to the front brake discs being too stiff and not enough dampening between the rear brake pads and shims on the rear brakes.

Visibility & wipers BTI&02152024901 February 15, 2024

Dealer 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.

Suspension B20-025 February 15, 2024

Service Bulletin - Customers are experiencing a squeaking or creaking from the front suspension area when going over bumps or rough roads due to rubber in the right or left lower control arm bushing contacting the front subframe.

Visibility & wipers BTI&01222024902 January 22, 2024

Dealer 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.

Body & structure B23-004 January 17, 2024

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…

Visibility & wipers BTI&01022024902 January 2, 2024

Dealer 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.

Visibility & wipers BTI&11272023904 November 27, 2023

Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2023 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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Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.