2024 Mazda Cx-30 problems, complaints & recalls
Most-reported problem areas: Service Brakes (3) · Electrical System (3) · Air Bags (3)
🧭 Reliability snapshot
Compared against other Mazda Cx-30 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (2)
Air Bags: Air Bag/Restraint Control Module:software 2025-05-29 · campaign 25V357000 · 171,412 vehicles
Defect: Mazda North American Operations is recalling certain 2024-2025 Mazda3 and CX30 vehicles. The Sophisticated Air Bag Sensor (SAS) units may set an error code and deactivate the air bags, due to a low battery condition.
Risk: Air bags that do not deploy in the event of a crash increase the risk of injury.
Fix: Dealers will reprogram the SAS unit with improved software or replace the unit, free of charge. Owner notification letters were mailed July 24, 2025. Mazda's number for this recall is 7525E.
Lane Departure: Sensing System: Camera 2024-09-03 · campaign 24V649000 · 672 vehicles
Defect: Mazda North American Operations (Mazda) is recalling certain 2024 Mazda 3, CX-30, and 2025 CX-50 vehicles. A malfunction in the forward sensing camera (FSC) may prevent the automatic emergency braking system and the lane-keep assist system from functioning. In addition, the headlights will not automatically adjust from high beams to low beams as intended.
Risk: Automatic braking, steering assist, and headlight control systems that do not function as intended can increase the risk of a crash.
Fix: Dealers will inspect and replace the forward sensing camera as necessary, free of charge. Owner notification letters were mailed September 24, 2024. Owners may contact Mazda customer service at 1-800-222-5500, Option 6. Mazda's number for this recall is 6824H.
Service bulletins (242)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-09-18 · SA-012-26d · Service Bulletin/Repair Instructions
description some customers may experience a message "tcu malfunction. have the vehicle inspected" in the instrument cluster. additional symptoms that may occur: connected vehicle one time passcode (otp) may fail. connected vehicle remote functions may fail. the following dtc's may be stored: b1252:
Unknown Or Other 2026-09-17 · SA-042-26a · Service Bulletin/Repair Instructions
mazda connected services - frequently asked questions (faq) this service alert supersedes the previously issued sas listed below. the changes are noted in red text. sa-042/26 06/30/26 description frequently asked questions (faq) index general questions mazda connect indication setup and getting st
Electrical System 2026-09-11 · SA-041-26a · Service Bulletin/Repair Instructions
description if you encounter any type of electrical concern (e.g, dead battery, engine no start, dtc(s) stored...), interview the customer before proceeding with normal mgss diagnosis by asking if any aftermarket devices have been installed. aftermarket devices may be the cause of the electrical con
Unknown Or Other 2026-09-10 · SA-038-26b · Service Bulletin/Repair Instructions
this service alert supersedes the previously issued service alert listed below. the changes are noted in red text. sa-038/26 08/18/26 and 06/15/26 description some customers may complain about any of the following: 1. infotainment center display does not provide the authorization code (otp) during t
Unknown Or Other 2026-09-04 · SA-038-26a · Service Bulletin/Repair Instructions
this service alert supersedes the previously issued service alert listed below. the changes are noted in red text. sa-038/26 06/15/26 description some customers may complain about any of the following: 1. infotainment center display does not provide the authorization code (otp) during the mymazda a
Unknown Or Other 2026-08-19 · SA-039-26a · Service Bulletin/Repair Instructions
this service alert supersedes the previously issued sa(s) listed below. the changes are noted in red text. sa-039/26 06/15/26 mazda connect symptom troubleshooting description customers having mazda connect concerns should have their vehicle repaired using the following repair procedure.
Showing the 6 most recent of 242 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-19 · Forward Collision Avoidance: Automatic Emergency Braking“since purchasing the vehicle, the braking system has activated on its own for no reason. today, oct 19, 2026, it was cold and it said the system was failing. my camera system fails when it rains. my 2024 mazda cx-30 has 62,000 miles and is experiencing the exact catastrophic phantom braking and forward camera failures detailed in nhtsa recall 24v…”
2026-10-16 · Wheels · 💥 crash“airbags did not deploy, sensors keep going off, car keeps over heating even before accident did take it in to mazda to be fixed two months prior.…”
2026-09-09 · Power Train“the vehicle is experiencing premature transmission failure, since about 9,000 miles. mazda has been dropping the ball at replacing it under warranty and we found out there are 3 other cx-30s that i know of with similar issues. i believe mazda has a faulty transmission in these cars based off my findings and other complaints. …”
2026-08-31 · Service Brakes“what is happening with my car are the exact symptoms of the known mazda recall 6824h - where the smart brake support suddenly engages for no reason and when it does not need to - which has almost caused me to be rear-ended a few times. this has happened at least 7-8 times since i have owned the vehicle. apparently, my vin does not fall under the ca…”
2026-08-14 · Electrical System“reporting product defect in mazda vehicles i am writing to bring to your attention a recurring design flaw affecting current mazda vehicles, including models such as cx30, mx30, and potentially the mazda3 series. following heavy rain or high humidity conditions, there is a consistent issue with the tire pressure sensor alarming and the smart key …”
2026-08-03 · Unknown Or Other“when i first got my mazda cx30 2024 new lease ,my breaks were very weak & didn't perform as new. only 2 years later w 9k miles on it, mazda states my breaks need to be replaced. my rotors need to be shave. a whole list of services on a car thats 2 years old. my concern is, break service at 9k confirm my car wasn't new and that mazda put my safety …”
2026-06-16 · Service Brakes“what component or system failed or malfunctioned, and is it available for inspection upon request? the automatic braking turned on while i was accelerating. my car is available for inspection. how was your safety or the safety of others put at risk? i could have been rear ended because my car automatically braked at an unpredictable time in rush ho…”
2026-05-16 · Structure:body“ [xxx] fuel door assembly has come loose from body. it looks like the clips that hold it in place have become worn or loose by the weight of the gas nozzle or by the fact that the gas door will not close correctly and car wash machine has made it looser and it appears to not shut all the way, and the body colored panel has fallen off as a result …”
2026-04-14 · Electrical System“the vehicle intermittently fails to start when pressing the push-button start system. the start/stop button becomes unresponsive despite normal conditions (key present, brake engaged, no warning indicators preventing ignition). this has now occurred twice within two years of ownership, indicating a recurring issue rather than an isolated incident.…”
2026-04-06 · Visibility/Wiper“i was driving down the highway and the sun roof just exploded send shards of glass everywhere and nothing had hit it or anything. it just exploded. when i got to the dealer the person ahead of me had the exact same thing and we compared pictures. it was scary, dangerous and really loud when it happened. …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.