2020–2021 Mazda CX-30 Structure Recall 21V086000 (Mazda 4621B)
NHTSA recall 21V086000 (Mazda recall 4621B) covers about 13,857 2020–2021 Mazda CX-30 vehicles (structure), filed with NHTSA Feb 18, 2021. There is no do-not-drive or park-outside advisory.
Source: NHTSA campaign 21V086000 · Data as of Nov 6, 2026 · By CarWhere Research
What's recalled
Component: Structure (body, hatchback/liftgate)
Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-30 vehicles. When fully opened, the power liftgate may partially lower unexpectedly when the vehicle is parked facing uphill on a slope.
The risk
If the power liftgate unexpectedly lowers while a person is accessing the rear storage area of the vehicle, it can increase their risk of injury.
The remedy and its status
Mazda will notify owners, and dealers will update the power liftgate control module software and inspect the serial number of the power liftgate drive unit, replacing it if necessary, free of charge. The recall began April 8, 2021. Owners may contact Mazda customer service at 1-800-222-5500 option 4. Mazda's number for this recall is 4621B.
Status: NHTSA lists Apr 8, 2021 as the owner-notification date for this campaign.
Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Mazda recall number 4621B
NHTSA lists the manufacturer's own recall number for 21V086000 as 4621B. Owner letters and dealer service departments often use this code, so a search for "4621B recall" refers to the same campaign.
Affected models and years
Models and model years NHTSA lists for this campaign. Not every vehicle of a listed model and year is included; check by VIN.
| Vehicle | Model years | More |
|---|---|---|
| Mazda CX-30 | 2020–2021 | — |
Key dates
- Report filed with NHTSA
- Feb 18, 2021
- Owner notification
- Apr 8, 2021
- Recall initiated by
- the manufacturer
- Filed by
- Mazda North American Operations
Check your VIN for 21V086000
- Find the 17-character VIN on the driver-side dashboard (visible through the windshield), the door-jamb sticker, or your registration.
- Enter it in NHTSA's free VIN recall lookup. It shows every open recall on that exact vehicle, including this one if it applies and hasn't been repaired.
- If 21V086000 is open, call any Mazda dealer's service department and give them the recall number (21V086000 or 4621B). The repair is free.
Not sure of the exact model or year? Decode it first with the free VIN decoder.
Frequently asked questions
What is recall 21V086000?
NHTSA recall 21V086000 (Mazda recall 4621B) covers about 13,857 2020–2021 Mazda CX-30 vehicles (structure), filed with NHTSA Feb 18, 2021. There is no do-not-drive or park-outside advisory. It covers certain 2020-2021 CX-30 vehicles.
Is it safe to drive a vehicle with recall 21V086000?
NHTSA's record for 21V086000 carries no do-not-drive or park-outside advisory. The risk NHTSA lists is: "If the power liftgate unexpectedly lowers while a person is accessing the rear storage area of the vehicle, it can increase their risk of injury." Get the free repair as soon as it is available for your vehicle.
How do I know if my vehicle is affected by 21V086000?
Only a VIN lookup can tell you. Not every vehicle of the listed models and years is included, and repaired vehicles drop off. Enter your 17-character VIN in NHTSA's free recall lookup at nhtsa.gov/recalls, or ask any Mazda dealer to check it.
What is the fix for recall 21V086000, and is it free?
NHTSA's record says: "Mazda will notify owners, and dealers will update the power liftgate control module software and inspect the serial number of the power liftgate drive unit, replacing it if necessary, free of charge." NHTSA lists Apr 8, 2021 as the owner-notification date for this campaign. Safety-recall repairs are done free of charge at authorized dealers.
What is the Mazda recall number for 21V086000?
NHTSA lists the manufacturer's own recall number as 4621B. Dealers and owner letters often use that code (4621B) instead of the NHTSA campaign number 21V086000.
Sources and method
- NHTSA recall record for 21V086000, from NHTSA's public recall campaign database. Problem, risk and remedy text is NHTSA's own wording.
- "Vehicles affected" is NHTSA's potential-units-affected count for the whole campaign.
- Data as of Nov 6, 2026. NHTSA updates campaigns as manufacturers file amendments, so check the official record for the latest.
Related recalls
- 25V357000: 2024–2025 Mazda CX-30 & Mazda Mazda3 air bags (May 29, 2025)