Collision Mitigation Braking System activating with no obstacle
FORWARD COLLISION AVOIDANCE
50 NHTSA complaints · 2024-03 → 2026-03 (sample of 200 most-recent of 328 total)
“Driving on a clear road on a clear day with no car in front of me, the brake warning flashed and then the car braked on its own. There was NO reason for the warning or for the car to brake on its own. Automatic breaking isn’t even a feature on this car.”
“On July 30, 2025, my Honda’s Collision Mitigation Braking System (CMBS) randomly activated without any obstacles in front of the vehicle. Since then, this issue has happened numerous times while driving. When the incident occurs, the system flashes a “Brake” warning and…”
“The contact owns a 2020 Honda Accord. The contact stated that while driving at various speeds, the Automatic Emergency Braking System erroneously activated, causing the vehicle to abruptly stop in the middle of the road. The vehicle was taken to the local dealer, who was unable…”
“On September 2, 2025 at 1004-1005 EST, my car phantom braked, when there was nothing in front of me and this time instead of just flashing brake on the dashboard, it actually breaks itself and threw me into the steering wheel thank God my seatbelt caught me, but it really…”

