The vehicle dossier US · 2021
2021 Acura
RDXProblems & recalls
112 distinct owner reports in the NHTSA snapshot. Other components appears in 53 of them. Explore what was reported—and which official actions are on file.
01 / Owner-reported evidence
What owners reported.
Categories attached to 112 distinct reports. A report can mention more than one component, so category totals can overlap.
See original component labels
These are reports made to NHTSA, not verified diagnoses. More reports can reflect more vehicles, more time on the road, or greater reporting activity.
The reporting timeline
When reports arrived.
Reports by year filed, not by the year a problem occurred. Showing the latest 7 years with reports.
22,500 miles is the median among 12 reports with usable mileage. The middle half spans 1,200–60,000 miles.
This describes the submitted reports. It does not predict when a vehicle will fail.
02 / Official safety campaigns
3 recall campaigns on file.
A campaign can cover only certain production dates or configurations. The count does not tell you whether an individual car has an open recall.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGERCampaign 26V332000
Reported concern
Honda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022 CR-V, 2017-2018, 2021 Civic Type R, 2017-2021 Civic hatchback, 2016-2020 Civic coupe, 2016-2022 Civic, 2017-2022 Accord Hybrid, and 2016-2022 Accord vehicles. The front passenger seat weight sensor may crack and short circuit, which can cause the air bags to deploy unintentionally during a crash.
Manufacturer’s stated response
Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed July 7, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH, NOC, POD, BOE, UOF, POB, EOG, AOI, QO8, TOJ, DO7, and SOK. This recall expands previous NHTSA recall number 24V064. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 29, 2026.
Manufacturer campaign: Refer to Comments
Read campaign 26V332000 at NHTSAAIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGERCampaign 24V064000
Reported concern
Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V, CR-V Hybrid, Passport, Ridgeline, Accord Hybrid, 2020 Acura MDX, 2022 Acura MDX, 2020-2022 Acura RDX, and 2020-2021 Acura TLX vehicles. The front passenger seat weight sensor may crack and short circuit, failing to suppress the air bag as intended.
Manufacturer’s stated response
Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed March 28, 2024. This is a phased recall. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls are XHP and VHQ.
Manufacturer campaign: XHP, VHQ
Read campaign 24V064000 at NHTSAPOWER TRAIN:DRIVELINE:DRIVESHAFTCampaign 21V939000
Reported concern
Honda (American Honda Motor Co.) is recalling certain 2021 Acura RDX and 2022 CR-V Hybrid vehicles. A component in the right or left front driveshaft may have been improperly heat-treated, which could result in driveshaft failure.
Manufacturer’s stated response
Dealers will replace the right or left front driveshaft as necessary, free of charge. Owner notification letters were mailed January 24, 2022. Owners may contact Honda customer service 1-888-234-2138. Honda's numbers for this recall are BBY, NBW, and OBX.
Manufacturer campaign: BBY, NBW, OBX
Read campaign 21V939000 at NHTSA03 / The manufacturer’s record
Instructions. Updates. Responses.
194 distinct communications list this model-year. Showing the latest 12. A matching model-year does not establish that every engine, trim or reported symptom is covered.
B21673Over 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 …NHTSA ID 11033180
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 for the various software releases can be found in this document. Software version: D.1.6.4
Campaign / software reference: D.1.6.4
Components: ELECTRICAL SYSTEM. Confirm detailed applicability in the original document.
Source record 11033180 at NHTSAB23-004"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 fo…NHTSA ID 11024891
"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."
Components: STRUCTURE:BODY. Confirm detailed applicability in the original document.
Source record 11024891 at NHTSAB25-049Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.NHTSA ID 11023274
Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.
Components: ENGINE. Confirm detailed applicability in the original document.
Source record 11023274 at NHTSAB19-053Service 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).NHTSA ID 11019258
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).
Components: SERVICE BRAKES. Confirm detailed applicability in the original document.
Source record 11019258 at NHTSAB19-053Service 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).NHTSA ID 11019244
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).
Components: SERVICE BRAKES. Confirm detailed applicability in the original document.
Source record 11019244 at NHTSABTI&05092025901Dealer 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 whi…NHTSA ID 11018501
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.
Components: STRUCTURE:BODY. Confirm detailed applicability in the original document.
Source record 11018501 at NHTSABTI&04252025901Dealer 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 whi…NHTSA ID 11018015
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.
Components: STRUCTURE:BODY. Confirm detailed applicability in the original document.
Source record 11018015 at NHTSAB23-025Service 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…NHTSA ID 11012814
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.
Components: ELECTRICAL SYSTEM. Confirm detailed applicability in the original document.
Source record 11012814 at NHTSAONL6M309172024Owner 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 po…NHTSA ID 11008048
Owner 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.
Components: ELECTRICAL SYSTEM. Confirm detailed applicability in the original document.
Source record 11008048 at NHTSAB24-045Service 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 p…NHTSA ID 11005523
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.
Components: ELECTRICAL SYSTEM. Confirm detailed applicability in the original document.
Source record 11005523 at NHTSABBOM07302024902Dealer 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 pot…NHTSA ID 11005521
Dealer 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.
Components: ELECTRICAL SYSTEM. Confirm detailed applicability in the original document.
Source record 11005521 at NHTSAB19-053Service 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).NHTSA ID 11005193
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).
Components: SERVICE BRAKES. Confirm detailed applicability in the original document.
Source record 11005193 at NHTSARecords below contain the NHTSA bulk summary unless a document-reviewed explainer is linked. A service bulletin is not a safety recall or a promise of a free repair. Records may be revised or superseded; verify the current document with the manufacturer.
04 / Agency investigations
Official inquiries.
An investigation is an inquiry into a potential concern. Its presence does not establish a defect, and a closed case does not certify a car’s condition.
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