2024 Mazda CX-30 Problems: 6 Known Issues
2024 model year · 1,800+ owner reports · Updated October 2026
According to Au7o's analysis of 1,800+ owner reports, the 2024 Mazda CX-30 has 6 documented known issues, with 3 rated critical. The most serious are Forward Sensing Camera Malfunction Disables Automatic Emergency Braking, Lane-Keep Assist and Auto High Beam - Recall 24V649000 (6824H) ($0-$0 repair), Sophisticated Air Bag Sensor (SAS) Deactivates Air Bags After Full Battery Discharge - Recall 25V357000 (7525E) ($0-$0 repair) and Torque Converter Lock-Up Clutch Wear Contaminating ATF with Iron Powder - Chirp on 3-4 Upshift (TSB 05-005/23) ($1,500-$3,200 repair). The most commonly reported issue is Infotainment System Freezing / CarPlay Disconnecting with 1,800 owner reports. Across all issues with published estimates, repair costs range from $1,500 to $3,200. DIY maintenance guides at au7o.io.
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All 6 Known Issues
NHTSA Recalls5 recalls
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
Mazda North American Operations (Mazda) is recalling certain 2022-2023 CX-30 and 2023 CX-50 vehicles. The anti-lock brake system (ABS) Hydraulic Control Unit (HCU) may be damaged, which can result in reduced braking ability.
LANE DEPARTURE: SENSING SYSTEM: CAMERA
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.
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE
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.
STRUCTURE:BODY:HATCHBACK/LIFTGATE
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.
TIRES:VALVE
Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.
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Frequently Asked Questions
What are the most common Mazda CX-30 problems?
According to Au7o's analysis of 1,800+ owner reports, the 2024 Mazda CX-30 has 6 documented issues. The most frequently reported are: Forward Sensing Camera Malfunction Disables Automatic Emergency Braking, Lane-Keep Assist and Auto High Beam - Recall 24V649000 (6824H), Sophisticated Air Bag Sensor (SAS) Deactivates Air Bags After Full Battery Discharge - Recall 25V357000 (7525E), Torque Converter Lock-Up Clutch Wear Contaminating ATF with Iron Powder - Chirp on 3-4 Upshift (TSB 05-005/23). Of these, 3 are rated critical and should be addressed promptly.
Is the Mazda CX-30 reliable?
The 2024 Mazda CX-30 has 6 known issues documented across 1,800+ owner reports. 3 issues are rated critical: Forward Sensing Camera Malfunction Disables Automatic Emergency Braking, Lane-Keep Assist and Auto High Beam - Recall 24V649000 (6824H) and Sophisticated Air Bag Sensor (SAS) Deactivates Air Bags After Full Battery Discharge - Recall 25V357000 (7525E) and Torque Converter Lock-Up Clutch Wear Contaminating ATF with Iron Powder - Chirp on 3-4 Upshift (TSB 05-005/23). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mazda CX-30 problems?
Repair costs for known Mazda CX-30 issues range from $0 to $3,200, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Forward Sensing Camera Malfunction Disables Automatic Emergency Braking, Lane-Keep Assist and Auto High Beam - Recall 24V649000 (6824H), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2024 Mazda CX-30 Forward Sensing Camera Malfunction Disables Automatic Emergency Braking, Lane-Keep Assist and Auto High Beam - Recall 24V649000 (6824H)?
A small run of 2024 CX-30 vehicles built July 10-23, 2024 received forward sensing camera (FSC) units that, due to an improper program setting, were not switched from production mode to normal mode. The camera can fail to operate, which silently disables Smart Brake Support autom… Repairs typically run $0-$0. Severity: high.
What is the 2024-2025 Mazda CX-30 Sophisticated Air Bag Sensor (SAS) Deactivates Air Bags After Full Battery Discharge - Recall 25V357000 (7525E)?
On 2024-2025 CX-30 vehicles the Sophisticated Air Bag Sensor unit can latch an internal fault code when the 12V battery is completely discharged - specifically when the ignition is left in the ON position for more than about two hours without the engine running. Once the vehicle… Repairs typically run $0-$0. Severity: high.
What is the 2020-2024 Mazda CX-30 Torque Converter Lock-Up Clutch Wear Contaminating ATF with Iron Powder - Chirp on 3-4 Upshift (TSB 05-005/23)?
On CX-30 models with the 2.5L SkyActiv-G equipped with cylinder deactivation and the 6-speed automatic transaxle, the torque converter lock-up clutch wears excessively. The resulting iron powder contaminates the automatic transaxle fluid, producing a distinct chirp or stick-slip… Repairs typically run $1,500-$3,200. Severity: high.
What is the 2020-2025 Mazda CX-30 Infotainment System Freezing / CarPlay Disconnecting?
The Mazda Connect infotainment system in CX-30 frequently freezes, reboots, or loses Apple CarPlay/Android Auto connection. Issues are exacerbated by certain phone models and iOS/Android updates. Wireless CarPlay implementations are particularly unstable. Firmware updates from Ma… Repairs typically run $0-$800. Severity: medium.
What is the 2020-2025 Mazda CX-30 i-Activsense False Emergency Braking & Spurious Brake/Driver-Assist Warnings?
CX-30 owners report the i-Activsense automatic emergency braking system activating with no real obstacle (phantom braking) or grabbing when maneuvering around vehicles at low speed, with the system noticeably more sensitive than rivals even at its lowest setting. Owners also repo… Severity: medium.
What is the 2020-2025 Mazda CX-30 Cylinder Deactivation Valvetrain Tapping/Rattle (Switchable HLA Air Entrapment) - SA-026/23?
CX-30s with the 2.5L naturally aspirated SkyActiv-G equipped with cylinder deactivation can develop a tapping/rattling noise from the valve train area. Mazda Service Alert SA-026/23 says the condition can occur on new vehicles moved repeatedly over short distances (transport, gar… Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.