2021 Mazda Mazda3
1 recalls · 49 complaints · Safety Score C
Recall History
Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.
Consequence & Remedy
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.
Recent Complaints
| Date | Component | Description | Crash | Fire |
|---|---|---|---|---|
| 01/25/2026 | Power Train | My rear differential case cracked, anytime the four wheel drive system was engaged the entire drivetrain would lock up. ... | No | No |
| 10/27/2025 | Suspension | At 31,000 miles the control arm lower ball joints are torn on both lower. They must be replaced. This is a safety hazard... | No | No |
| 05/27/2025 | Power Train | I was driving when all the sudden there was a loud bang sound. The differential housing cracked. The when awd is demande... | No | No |
| 04/23/2025 | Engine | Spontaneous loss of power while driving on highway. Check engine light came on. Speed limited by car. Continues to vibra... | No | No |
| 02/28/2025 | Steering,electrical System,vehicle Speed Control | During the incident, the vehicle exhibited an uncontrollable malfunction—the steering wheel suddenly jerked sharply to t... | Yes | No |
| 02/21/2025 | Engine | The thermostat malfunctioned on this vehicle, resulting in the thermostat remaining open and providing excess coolant to... | No | No |
| 02/21/2025 | Forward Collision Avoidance,lane Departure | When this feature is left on in my vehicle, it will detect curves, vehicles, and objects that are not there, and as a re... | No | No |
| 02/21/2025 | Electrical System,unknown or Other | The driver window, upon attempted to be let up, will start to go up then go all the way down, ignoring the function to g... | No | No |
| 12/16/2024 | Engine | The contact owns a 2021 Mazda Mazda3. The contact received notification of an unknown Class Action Lawsuit Number howeve... | No | No |
| 11/26/2024 | Power Train | Radiators are failing 3 years after the warranty period. Its leading to coolant lost and perhaps overheating the engine. | No | No |
Most Complained-About Components
Frequently Asked Questions
The 2021 Mazda Mazda3 has 1 recall campaigns on record with NHTSA. Total complaints filed: 49.
The 2021 Mazda Mazda3 has a Safety Score of 53/100 (Grade C). This score factors in recall severity (40%), complaint frequency (30%), crash and fire reports (20%), and trend direction (10%).
The 2021 Mazda Mazda3 received a Safety Score of C. This vehicle has an average safety record. There are 2 crash reports on file. There are 2 fire reports.
Contact your nearest Mazda dealership to schedule a free recall repair. You can also check your specific vehicle by VIN at NHTSA.gov. Manufacturers are required by law to fix recall-related defects at no cost.
Safety Score is calculated from recall severity (40%), complaint frequency (30%), crash/fire reports (20%), and safety trend (10%).