Safety recallPrompt inspection

2019 Mazda Mazda3 · Driver assistance

Driver assistance system may not respond correctly

The Smart Brake System (SBS) can falsely detect an obstacle while driving, activating the automatic emergency braking system and suddenly stopping the vehicle.

Vehicles covered
2019 to 2020
Evidence level
Official safety recall
Information reviewed
August 3, 2026
Jurisdiction
United States

What the reviewed source says

Start with the documented condition, not a parts guess.

NHTSA campaign 19V907000 includes certain 2019 to 2020 Mazda Mazda3 vehicles. 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. Stopping the vehicle unexpectedly increases the risk of a crash.

Words owners may use

Does this match the moment?

“collision warning not working”“lane assist turns off”“car brakes by itself”“driver assistance unavailable”“safety system warning”“automatic braking problem”

Symptoms in the pattern

  • A driver assistance warning may appear or the affected feature may respond incorrectly
  • An open campaign appears when the complete VIN is checked
  • Some recalled vehicles may show no advance warning before the component fails

Vehicles and scope

  • 2019 to 2020 Mazda Mazda3
  • NHTSA campaign 19V907000
  • The manufacturer filing lists 35,390 potentially affected units across the complete campaign.
  • VIN eligibility determines whether this recall applies to an individual vehicle

Manufacturer position

What the official procedure directs

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.

Mileage context

Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.

Original evidence

Open the documents behind this page.

Repair paths and safe checks

Separate the diagnosis from the action.

Official repair pathAuthorised dealer · Confirm with VIN

Use the official recall 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.

Boundary

Do not buy parts from the campaign description alone. VIN scope, superseded remedies and parts availability can change.

What owners reported

Did this repair fix the same symptom on your car?

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Safe owner checkBasic check · 5 minutes

Check the complete VIN before arranging work

Enter the 17-character VIN in NHTSA's recall lookup and ask the manufacturer or an authorised dealer to confirm whether the campaign is open for this vehicle.

Boundary

A year, make and model match does not prove that every vehicle is included. The VIN result controls eligibility.

What owners reported

Did this repair fix the same symptom on your car?

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