Mazda Mazda3 Reliability & Diagnostics Hub
Review safety complaints, recall updates, and engine repair guides for the Mazda Mazda3. Sourced from official NHTSA databases.
Safety Recalls
19V907000 2020 Mazda MAZDA3 - FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
Summary: Mazda North American Operations (Mazda) is recalling certain 2019-2020 Mazda3 vehicles. The Smart Brake System (SBS) can falsely detect an obstacle while driving, activating the automatic emergency braking system and suddenly stopping the vehicle.
Remedy: Mazda will notify owners, and dealers will update the SBS software. In addition, vehicles with certain production dates will receive an instrument cluster software update or replacement and a replacement owner's manual. These repairs will be performed free of charge. The recall began February 14, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4219L.
20V346000 2020 Mazda MAZDA3 - SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
Summary: Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen.
Remedy: Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.
Frequently Asked Questions
What are common issues on a Mazda Mazda3?
Common failures vary by year, but often involve component wear in the powertrain, ignition system misfires, or oxygen sensor deterioration.
Where do I find the VIN on my Mazda Mazda3?
The 17-digit VIN is located on the driver's side dashboard near the windshield base, or inside the driver's door jamb sticker.