2020 Mazda CX-30 Problems, Complaints & Recalls
- Compared with other CX-30 years
- About as many complaints as other years 2nd of 7 for complaints
- Safety recalls
- 3 recalls: check your VIN
- NHTSA crash rating
- 5 out of 5 stars
Owners have filed 34 complaints with NHTSA about the 2020 Mazda CX-30. That ranks 2nd out of 7 CX-30 model years for complaints. The most reported problem area is unknown or other (9 complaints, 26%), typically at around 3,758 miles. Complaints mention 1 crash. There are 3 safety recalls covering this model year.
- 34owner complaints
- 3safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2020 Mazda CX-30 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Unknown or Other | 9 | 26% | 3,758 | — | — |
| Service Brakes | 7 | 21% | 3,950 | — | — |
| Engine | 6 | 18% | 3,950 | — | — |
| Electrical System | 5 | 15% | 27,458 | — | — |
| Fuel/propulsion System | 5 | 15% | 2,314 | — | — |
| Power Train | 4 | 12% | — | — | — |
| Structure | 3 | 9% | — | — | — |
| Exterior Lighting | 2 | 6% | — | — | — |
| Forward Collision Avoidance | 2 | 6% | — | — | — |
| Seat Belts | 2 | 6% | — | — | — |
| Suspension | 2 | 6% | — | — | — |
| Steering | 1 | 3% | 66,000 | — | — |
| Visibility/wiper | 1 | 3% | — | — | — |
| Wheels | 1 | 3% | 18 | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2020 Mazda CX-30 recalls (3)
Tap a recall to see the problem, the risk and the fix.
Structure:body:hatchback/liftgate
Problem: 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.
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.
Fix: 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.
Service brakes, hydraulic:foundation components:disc:caliper
Problem: Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen.
Risk: Loose brake calipers can reduce braking performance or interfere with wheel rotation, affecting vehicle handling. Either of these scenarios can increase the risk of a crash.
Fix: Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.
Fuel system, gasoline:delivery:hoses, lines/piping, and fittings
Problem: Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 vehicles equipped with all-wheel drive. The evaporative vent hose for the fuel tank may be disconnected, possibly allowing fuel to leak from the charcoal canister vent at the rear of the vehicle.
Risk: A fuel leak in the presence of an ignition source may increase the risk of a fire. Additionally, the engine may stall while driving, increasing the risk of a crash.
Fix: Mazda will notify owners, and dealers will inspect the evaporative vent hose in the fuel tank. If the hose is disconnected, it will be reconnected and the charcoal canister with some related parts will be replaced. Repairs will be performed free of charge. The recall began July 29, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4520F.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
Multiple fixes and repairs on a P0421 code. Repaired by Mazda with a new catalytic converter but then refused to replace it when the code came back saying it was not covered by the warranty. Mazda says it is not a common issue but they have had issues in the past with the same P0421 code repeatedly…
My car was squeaking and lurching around 3/4 gear. I took it in to the Mazda dealership (Northtowne Mazda in Kansas City) and they told me it was a "well-known issue" with this year and make of a Mazda. There is a problem with the torque converter lock-up clutch which sheds iron particles into the…
The front passenger side headlight is making a whirring noise whenever the light is turned on. Based on the NHTSA safety reports for this model, this indicates the fan is failing, and soon the headlight will also fail. Intact headlights are essential for driving safety at night. No warning messages…
My 2020 Mazda CX-30 has an intermittent no-start condition caused by a complete electrical failure. This occurs randomly, often overnight and after long or short trips. When it happens: The car does not respond to the key fob or ignition Dashboard warning lights are off Vehicle cannot be started…
The front camera didn't operate properly The brakes have an elongated stopping distance
Other Mazda CX-30 years
| Year | Complaints | Recalls |
|---|---|---|
| 2026 CX-30 | 4 | 0 |
| 2025 CX-30 | 26 | 1 |
| 2024 CX-30 | 31 | 2 |
| 2023 CX-30 | 25 | 1 |
| 2022 CX-30 | 33 | 1 |
| 2021 CX-30 | 101 | 2 |
| 2020 | 34 | 3 |
See all Mazda CX-30 problems by year, every Mazda model, or the Mazda VIN decoder.
Similar Mazda models
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Frequently asked questions
What are the most common problems with the 2020 Mazda CX-30?
Owners most often report unknown or other, service brakes, engine problems. The top one, unknown or other, accounts for 9 complaints.
Was there a recall on the 2020 Mazda CX-30?
Yes, 3 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2020 Mazda CX-30 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other CX-30 model years, the 2020 has about as many complaints as a typical year, and NHTSA rates it 5 out of 5 stars overall in crash tests. Always get a pre-purchase inspection and check the VIN for open recalls.