Hyundai recalls 421,000 vehicles over AI braking system software bug
Hyundai recalled 421,000 vehicles after the NHTSA discovered a software bug in the forward collision-avoidance system that caused vehicles to brake unexpectedly. The defect reportedly led to 376 reports of unintended braking and four crashes.
What happened
The National Highway Traffic Safety Administration discovered a software bug in the front camera systems of Hyundai vehicles that caused the Forward Collision Avoidance system to exhibit increased sensitivity and activate prematurely.
The software issue could cause sudden braking when not intended by the driver, potentially increasing the risk of rear-end crashes with following vehicles.
The NHTSA documented 376 reports of unexpected braking between October 2024 and April 2026, with four crashes reported.
Reported impact
The recall affects more than 421,000 vehicles, including 2025-2026 Hyundai Santa Cruz and Tucson models in both standard fuel and hybrid versions.
Owners face the risk of sudden unintended braking that could lead to collisions with other vehicles.
Index analysis
The system exhibited unexpected behavior due to a software fault in front camera processing, causing false collision detection and premature braking engagement.
Governance controls
Hyundai issued a recall and notified owners through NHTSA mail by July 17, offering software updates at authorized dealers.
Classification
Sources and evidence
This record was researched and written by the Index, based on the following original reporting.