The 2021 Acura RDX has 3 NHTSA recall campaigns affecting an estimated 849,285 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 151 complaints with NHTSA, most often about the unknown or other. Last updated July 20, 2026.
Air bags that deploy unintentionally during a crash increase the risk of injury.
Remedy
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…
AIR BAGS24V0640002024-02-01750,114 affected
Defect
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…
Consequence
An air bag that deploys unintentionally during a crash can increase the risk of injury.
Remedy
Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed March 28, 2024, October 18, 2024, and August 2025. 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.
POWER TRAIN21V9390002021-12-02279 affected
Defect
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.
Consequence
Driveshaft failure can cause a sudden loss of drive power, or cause the vehicle to roll away when parked if the parking brake is not applied. Either condition can increase the risk of a crash or injury.
Remedy
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.
Complaints by component
UNKNOWN OR OTHER
28
1crashes1injuries
ENGINE
19
2crashes
SERVICE BRAKES
14
1crashes
AIR BAGS
11
POWER TRAIN
9
STRUCTURE:BODY
9
1injuries
VISIBILITY/WIPER
9
ELECTRICAL SYSTEM
8
VEHICLE SPEED CONTROL
7
1crashes
SEATS
6
Total complaints151
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“On or about xxx, my 2021 acura rdx, with approximately 121,078 miles, suddenly displayed multiple dashboard warning lights and system-failure messages while I was driving. These included the check-engine light, road departure mitigation system problem, steering, stability-control,…”
“On or about xxx, my 2021 acura rdx, with approximately 121,078 miles, suddenly displayed multiple dashboard warning lights and system-failure messages while I was driving. These included the check-engine light, road departure mitigation system problem, steering, stability-control,…”
“On or about xxx, my 2021 acura rdx, with approximately 121,078 miles, suddenly displayed multiple dashboard warning lights and system-failure messages while I was driving. These included the check-engine light, road departure mitigation system problem, steering, stability-control,…”
“On march 20th, my husband and I went out to dinner with three friends. We arrived around 6:50 pm and left our car with the valet. When we returned later that evening to pick up the vehicle, a valet employee approached us and asked us to walk with him to the car. The police were already present at…”
“Got in my vehicle as usual, started the vehicle shortly after I heard cracking thought nothing of it and all of a sudden the rear tailgate window shattered completely.”
“The contact owns a 2021 acura rdx. While driving at an undisclosed speed, there was an abnormal gunshot sound coming from the vehicle. The vehicle was driven to the residence. The contact inspected the exterior of the vehicle but found no failure. The contact stated that the following day, while…”
“- rear window shattered without impact or any signs of stress. - safety at risk if driving and breakage occurs. In this case I was away from the parked vehicle when the shattering occurred. - there are quite a few reports of this issue online in facebook acura owner groups and in published news…”
“- rear window shattered without impact or any signs of stress. - safety at risk if driving and breakage occurs. In this case I was away from the parked vehicle when the shattering occurred. - there are quite a few reports of this issue online in facebook acura owner groups and in published news…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Acura RDX as of
July 20, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.