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2025 Mazda Cx 30 Recalls, Issues & Maintenance

The 2025 Mazda Cx 30 carries 1 open NHTSA recall — most recently covering software. Owners report 6 recurring issue clusters, led by “Tire pressure sensor variance.” Mazda's Skyactiv engines use unusually high compression ratios (13:1 to 16:1) and require strict adherence to oil intervals — extending oil life on a Skyactiv engine accelerates carbon buildup on intake valves. Mazda's published Schedule 1 (severe) covers most US driving conditions. Mazda3, CX-5, CX-30, and CX-50 share the Skyactiv-G platform.

1 Open Recall

Source: NHTSA

AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE

Campaign #25V357000 · May 29, 2025

Issue: 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.

Recall data refreshed Sep 6, 2026.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2025 Mazda Cx 30.

Reported to NHTSA

Tire pressure sensor variance

TIRES

3 NHTSA complaints · 2025-12 → 2026-01

“Tire psi seems to vary greatly under mild conditions. Drove 10 miles- city. 40mph. 70 degree weather. Increased 3psi”
— Owner report, NHTSA ODI #11706193
“The tire pressure has also been varying quite a bit with inconsistent levels across all tires since purchase over the past 3 months”
— Owner report, NHTSA ODI #11714374
“At an unspecified service visit I Was told tires were at manufacturers recommended psi YESTERDAY - left the lot at 1530. The next morning - warning system indicated low psi- even as low as 30psi and front passenger so low it did not give a reading???”
— Owner report, NHTSA ODI #11703134

Read all complaints on NHTSA →

Fuel economy below advertised estimate

UNKNOWN OR OTHER, FUEL/PROPULSION SYSTEM

3 NHTSA complaints · 2025-12 → 2025-12

“It seems like the computer has defaulted to receive the lowest possible gas mileage- if this is somehow communicating with the fuel system- its definitely affecting how much mileage I could be getting and robbing me of up to 100 miles per tank”
— Owner report, NHTSA ODI #11703823
“Car is forecasted to get 290 miles off a full tank after doing nothing but highway driving. 10 miles less than when I first drove it (off the lot and primary highway driving) and 60 miles less than it should according to Mazda statement of 21-30mpg”
— Owner report, NHTSA ODI #11703502
“I wondered if, after my first service visit on 11-12-25, the dealership put regular leaded gas instead of premium in it, because there was a noticeable difference in gas mileage and the engine started revving pretty high, in my opinion”
— Owner report, NHTSA ODI #11703136

Read all complaints on NHTSA →

ABS and i-Activsense malfunction warnings

ELECTRICAL SYSTEM, FORWARD COLLISION AVOIDANCE

4 NHTSA complaints · 2025-02 → 2026-05

“2025 Mazda CX-30 experienced a sudden complete loss of power while driving at highway speed with no prior warning lights or indications of malfunction. Immediately before shutdown, steering became extremely stiff due to loss of power steering assist”
— Owner report, NHTSA ODI #11740473
“The contact owns a 2025 Mazda CX-30. The contact stated that upon starting the vehicle, the messages "i-Activsense Malfunction", "In Vehicle Network malfunction" and "ABS Malfunction" were displayed”
— Owner report, NHTSA ODI #11643903
“The vehicle has major electrical issues. The ABS and all over driver safety options would shut off for days at a time”
— Owner report, NHTSA ODI #11723758

Read all complaints on NHTSA →

Phantom braking and false ADAS alerts

VEHICLE SPEED CONTROL, FORWARD COLLISION AVOIDANCE

3 NHTSA complaints · 2025-12 → 2025-12

“Warning sensors activate randomly- of oncoming vehicles- in my opinion for no reason. Enough space between cars. Normal speeds, etc”
— Owner report, NHTSA ODI #11703137
“I have noticed over 30 things wrong with this car. Including but not limited to- the FIRST THINGS I mentioned to the dealership there seems to be apull to the right (suspension/alignment)”
— Owner report, NHTSA ODI #11703129
“Iactive sensor indicated there was a/n (obstruction) or something preventing iactive from working (i dont remember what it said)? I dont remember- but either way- i find it distracting”
— Owner report, NHTSA ODI #11703141

Read all complaints on NHTSA →

Door autolock and liftgate malfunction

ELECTRICAL SYSTEM, UNKNOWN OR OTHER

4 NHTSA complaints · 2025-12 → 2026-01

“I have been having repeated issues with the doors not autolocking, liftgate functionality, rear seat sensor, and random (collision?) warnings/sensors - among other settings that keep coming undone (audio options, etc) since the purchase of this car”
— Owner report, NHTSA ODI #11714353
“At 1833 yesterday evening, the doors did not autolock”
— Owner report, NHTSA ODI #11703396
“Dash button for lift gate not working. Occasionally the doors dont autolock Both of these things have happened multiple times since I drove the car off the lot”
— Owner report, NHTSA ODI #11703366

Read all complaints on NHTSA →

Pedal entrapment and unintended acceleration crash

SERVICE BRAKES, HYDRAULIC, VEHICLE SPEED CONTROL

2 NHTSA complaints · 2025-09 → 2026-02

“The contact owns a 2025 Mazda CX-30. The contact stated that while driving at approximately 2 mph into his garage, his right foot had slipped between the brake pedal and the accelerator pedal, and he was unable to get his foot out from under the pedals”
— Owner report, NHTSA ODI #11715886
“Had this Mazda CX30 as a rental car for about a week. Was pulling into the driveway, hit the brakes, and the vehicle took off full speed causing a crash”
— Owner report, NHTSA ODI #11687780

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 11, 2026. Investigation data refreshed Sep 11, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter

Every 5,000 mi

Replace 0W-20 full-synthetic oil every 5,000 miles under Schedule 1. Schedule 2 (highway-only): 7,500 miles. Mazda CX-50 Turbo and CX-9: 5,000 miles regardless of schedule.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 7,500 mi

Rotate tires every 7,500 miles. AWD CX-5, CX-50, and CX-9: 5,000 miles to prevent uneven wear from front-biased AWD coupling.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 7,500 mi

Inspect brake pads, rotors, and parking brake at every oil change. Mazda3 and CX-5 front pads typically last 35,000-50,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 30,000 mi

Replace DOT 3 brake fluid every 30,000 miles or 36 months.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Engine Air Filter

Every 30,000 mi

Replace engine air filter every 30,000 miles. Skyactiv-G direct injection is sensitive to airflow restriction — inspect at every oil change.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Automatic Transmission Fluid

Every 60,000 mi

Replace ATF every 60,000 miles severe / 100,000 normal. Use Mazda FZ ATF — substitutes cause harsh 1-2 shifts and torque converter shudder.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Spark Plugs

Every 60,000 mi

Iridium spark plugs every 60,000 miles on Skyactiv-G 2.0L and 2.5L. CX-50 Turbo and CX-9 Turbo: 45,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

FL-22 Long-Life Coolant

Every 60,000 mi

Mazda FL-22 (yellow): first change at 120,000 miles or 10 years, then every 60,000. Do not substitute — silicate-free formula prevents water pump damage on Skyactiv engines.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Transfer Case / Rear Diff (AWD)

Every 60,000 mi

AWD CX-5, CX-50, CX-9: replace transfer case fluid and rear diff fluid every 60,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$105–$140

Shop

~$75–$100

DIY

~$15–$40

AWD/4WD vehicles only. Easy drain-and-fill on most platforms.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 15,000 mi

Replace cabin air filter every 15,000 miles. Behind the glove box on Mazda3, CX-5, CX-30, and CX-50.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

No occupant deaths in FARS 2010–2024 crashes are on record for this year and model. That is the census answer for the window, and it says nothing more than that.

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

2

complaints mentioning a crash

0

complaints mentioning a fire

Reviewed known issues for this vehicle·Open recalls for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2025 Mazda Cx 30 reflects Mazda's published service intervals. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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