2019 Nissan Altima forward collision avoidance problems

Tl* the contact owns a 2019 nissan altima. The contact stated that while driving at various speeds the collision avoidance system would randomly activate and reduce the vehicle's speed. The failure occurred although no objects were present nearby. The cause of the failures were not determined. In addition, while driving approximately 35 MPH and pressing the brake pedal the vehicle slowed before the braking system malfunctioned causing the vehicle not to stop and crashed into the rear of a truck.

Tl* the contact owns a 2019 nissan altima. The contact stated that while driving approximately 45-50 MPH, the vehicle stalled with the automatic emergency braking (aeb) warning light illuminated. The vehicle independently returned to normal operation. The contact stated that the failure recurred 6 times. The sensor position was adjusted however, the failure recurred. The vehicle was taken back to the same dealer and the contact was informed that the aeb sensor was defective and needed to be replaced.