Mazda CX-30 2021 recalls, problems, complaints and safety

NHTSA lists 2 safety recalls issued for the Mazda CX-30 2021 and 101 complaints filed by owners. It's the model year with the most complaints for the Mazda CX-30 between 2016 and 2025.

These are recalls issued for this model and year, not for your specific car. A car may already be repaired or may not be included. Confirm with your VIN on NHTSA.

Recalls issued for the Mazda CX-30 2021

Tires
NHTSA campaign 21V101000 · 2021-02-22

What happens

Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.

Consequence

A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.

Remedy

Mazda will notify owners, and dealers will replace all four tire air valves with new parts, free of charge. The recall began April 6, 2021. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 4721B.

The repair is free at any dealer of the brand.

NHTSA 21V101000

Structure and body
NHTSA campaign 21V086000 · 2021-02-18

What happens

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.

Consequence

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.

Remedy

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.

The repair is free at any dealer of the brand.

NHTSA 21V086000

Complaints from other owners

101 complaints filed with NHTSA by owners of this model.

10 with a crash · 13 injuries

Most reported problems on the Mazda CX-30 2021

• Engine: 49 (49% of complaints)
• Electrical system: 14 (14% of complaints)
• Forward collision avoidance: 12 (12% of complaints)
• Wipers: 9 (9% of complaints)
• Powertrain and transmission: 8 (8% of complaints)

Complaints are written by owners and NHTSA doesn't verify each one. They're useful to spot trends.

What to check before buying a Mazda CX-30 2021

• Confirm by VIN on NHTSA that the recalls on this list were repaired.
• Start it cold, listen for noises, look for oil or coolant leaks and exhaust smoke.
• Test lights, windows, locks, the screen and dashboard warning lights; have trouble codes scanned.
• Ask whether the system braked on its own for no reason ("phantom braking") and whether software updates are pending.
• Get an inspection from an independent mechanic before paying.

Safety rating (NCAP)

Mazda CX-30 recalls by year

• 2016 : 3 recalls · 48 complaints
• 2017 : 1 recall · 21 complaints
• 2018 : 1 recall · 10 complaints
• 2019 : 2 recalls · 27 complaints
• 2020 : 3 recalls · 34 complaints
• 2021 : 2 recalls · 101 complaints
• 2022 : 1 recall · 33 complaints
• 2023 : 1 recall · 25 complaints
• 2024 : 2 recalls · 33 complaints
• 2025 : 1 recall · 26 complaints

Guides for this check

• What is a car recall and how to get it fixed for free
• Pre-purchase inspection for a used car: what to check
• Questions to ask the seller of a used car

Frequently asked questions

How many recalls does the Mazda CX-30 2021 have?

NHTSA lists 2 safety recalls issued for the Mazda CX-30 2021. That doesn't mean every car has them open: confirm with the VIN at nhtsa.gov/recalls. The repair is free at the dealer.

What is the most common problem with the Mazda CX-30 2021?

In complaints filed with NHTSA, the most mentioned component is: engine (49 of 101 complaints). Complaints aren't verified one by one, but they show trends.