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What 138 owners told NHTSA about the 2014 Mazda Mazda3 Sedan

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (138)Crash / fire / injury (12)Electrical system (27)Fuel system (24)Brakes (22)Engine (13)Backup camera & sensors (11)Speed control (9)Parking Brake (8)Transmission & drivetrain (7)Seat belts (5)Visibility & wipers (5)

27 of 138 complaints match · Electrical system · clear filters · page 2 of 2

May 22, 2014Electrical systemSpeed control

TL* THE CONTACT OWNS A 2014 MAZDA MAZDA3. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE CHECK ENGINE, TRACTION, AIR PRESSURE, AND BRAKE WARNING LIGHTS ILLUMINATED. IN ADDITION, THE VEHICLE DECELERATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE REPAIRS WERE UNKNOWN. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 3,500.

NHTSA ODI 10593507

May 5, 2014Electrical systemEngine

TL* THE CONTACT OWNS A 2014 MAZDA MAZDA3. THE CONTACT STATED THAT WHILE COMING TO A STOP, THE VEHICLE LUNGED FORWARD. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN STATED THAT THE POWER MODULE NEEDED TO BE UPDATED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 7,600 AND THE CURRENT MILEAGE WAS 9,200. UPDATED 07/16/14 MA

NHTSA ODI 10586595

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Working with the data? Download all 138 complaints as CSV · fetched from NHTSA July 18, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2014 Mazda Mazda3 Sedan verdict →