CarRecallDB

2020 Mazda CX-30 recalls and problems

3 recalls and 34 owner complaints on file with NHTSA for the 2020 Mazda CX-30.

3
recalls
34
owner complaints
1
complaints mentioning a crash
0
mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2020 Mazda CX-30 recalls

Structure: body, hatchback/liftgate

NHTSA campaign 21V086000 · reported February 18, 2021 · Mazda North American Operations · 13,857 vehicles potentially affected

The 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.
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 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

NHTSA campaign 20V346000 · reported June 12, 2020 · Mazda North American Operations · 24,037 vehicles potentially affected

The 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.
The 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.
The 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

NHTSA campaign 20V347000 · reported June 12, 2020 · Mazda North American Operations · 12,097 vehicles potentially affected

The 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.
The 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.
The 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.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Oct 6, 2026 · Engine

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 showing up on a…

Sep 3, 2026 · Power train

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 transmission fluid…

Jul 18, 2026 · Exterior lighting

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 have appeared on…

Jan 10, 2026 · Electrical system

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, creating a safety…

Nov 30, 2025 · Service brakes · crash reported

The front camera didn't operate properly The brakes have an elongated stopping distance

CX-30 model years compared

YearRecallsComplaintsCrashesFires
2020 33410
2021 2101100
2022 13340
2023 12550

Across all years, the 2021 CX-30 has the most complaints (101). All Mazda CX-30 years →

Questions

Does the 2020 Mazda CX-30 have any recalls?
Yes. NHTSA lists 3 recalls for the 2020 Mazda CX-30, the most recent reported on February 18, 2021 (Structure: body, hatchback/liftgate). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2020 Mazda CX-30?
Owners have filed 34 complaints with NHTSA. The most frequently reported area is unknown or other (9 complaints), followed by service brakes (7).
How many 2020 Mazda CX-30 complaints mention a crash or fire?
1 of 34 complaints report a crash and 0 a fire; 0 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received October 6, 2026.