What the source says
The documented condition
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 identified by NHTSA
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.
Campaign 21V939000; report received 2021-12-02. Source checked 2026-10-18.
Source component: POWER TRAIN:DRIVELINE:DRIVESHAFT
Compare the pattern
Symptoms and vehicle scope
Condition described by NHTSA
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.
Vehicles and limits
- NHTSA model names: RDX. Model years: 2021.
- NHTSA campaign 21V939000
- The complete campaign lists 279 potentially affected units across all listed vehicles.
- A make, model and year match does not establish VIN eligibility.
Manufacturer position
What the official procedure directs
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.
Mileage context
Campaign 21V939000 is based on the recalled vehicle population and VIN, not a published mileage threshold. Mileage alone cannot confirm or exclude it.
Original evidence
Open the documents behind this record.
NHTSA safety recall · 21V939000 · 2021-12-02
NHTSA campaign 21V939000
Official component, defect, consequence and remedy; checked 2026-10-18.
Repair paths and safe checks
Match the action to the evidence.
Official recall 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.
Confirm VIN eligibility and current remedy instructions with the manufacturer.
Check the complete VIN
Check the 17-character VIN at NHTSA.gov/recalls and ask the manufacturer whether this campaign remains open for the vehicle.
The model-year list is not proof that an individual vehicle is affected.
Record reviewed in the source on 2026-10-18. Confirm the current document and VIN instructions before arranging work.