There are 3 owner-reported tires & wheels complaints for the 2010 Mazda CX-9in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2010 MAZDA CX9. THE CONTACT STATED WHILE DRIVING AT 5 MPH AROUND A ROUNDABOUT, THE PASSENGER'S SIDE FRONT TIRE DETACHED INDEPENDENTLY WITHOUT WARNING. THE VEHICLE WAS TOWED TO MODERN MAZDA,68 WATERBURY RD, LJ CT 06787 BUT WAS NOT DIAGNOSED. THE DIAGNOSIS AND REPAIR WAS STILL PENDING. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND A CASE WAS OPENED. THE APPROXIMATE FAILURE MILEAGE WAS 135,000.
WHILE DRIVING ON HIGHWAY TPMS SIGNAL SOUNDED. EXITED IMMEDIATELY REAR RIGHT TIRE FLAT.UPON EXAMINATION VALVE HAD FALLEN INTO TIRE. CHANGED TIRE WENT TO SERVICE TIRE DEALER STATED ALL VALVES CORRODED BADLY. REPLACED ALL VALVES AT COSTCO THEY WERE UNABLE TO SERVICE TOO MUCH CORROSION. CX9 OWNERS SHOULD BE WARNED OF PROBLEM AND POSSIBLE CATASTROPHIC FAILURE.
TL* THE CONTACT OWNS A 2010 MAZDA CX9. THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE TIRE PRESSURE WARNING LIGHT ILLUMINATED AND THE CONTACT HEARD AN ABNORMAL NOISE. THE CONTACT MERGED TO THE SIDE OF THE ROAD AND REPLACED THE TIRE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE VALVE STEM FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 55,000. THE VIN WAS NOT AVAILABLE.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026