The 2020 Mazda CX-30 has 3 NHTSA recall campaigns affecting an estimated 49,991 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 47 complaints with NHTSA, most often about the unknown or other. Last updated July 5, 2026.
Recall campaigns
STRUCTURE21V0860002021-02-1813,857 affected
Defect
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…
SERVICE BRAKES, HYDRAULIC20V3460002020-06-1224,037 affected
Defect
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.
Consequence
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.
Remedy
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,…
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.
Consequence
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.
Remedy
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…
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“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,…”
“I own 2020 mazda cx 30 with 66000 miles. The transmission was shifting with jerky motions. On july 14, 2025 I brought the car to palisades mazda in rockland county new york to have transmission looked at and to change transmission fluid changed. After I dropped the car off later that day I got a…”
“The initial sensor alarm indication was low oil pressure and within less then an hour engine malfunction was detected and the vehicle stopped functioning. This incident occurred on [xxx] in sanantonio and thereafter it was towed to the mazda dealership for inspection upon request. I was driving…”
“The initial sensor alarm indication was low oil pressure and within less then an hour engine malfunction was detected and the vehicle stopped functioning. This incident occurred on [xxx] in sanantonio and thereafter it was towed to the mazda dealership for inspection upon request. I was driving…”
“The initial sensor alarm indication was low oil pressure and within less then an hour engine malfunction was detected and the vehicle stopped functioning. This incident occurred on [xxx] in sanantonio and thereafter it was towed to the mazda dealership for inspection upon request. I was driving…”
“The front camera didn't operate properly the brakes have an elongated stopping distance”
“The front camera didn't operate properly the brakes have an elongated stopping distance”
“The front camera didn't operate properly the brakes have an elongated stopping distance”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2020 Mazda CX-30 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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