NHTSA Complaint #11521008 — 2019 TESLA MODEL S

The contact owns a 2019 Tesla Model S. The contact stated while driving 76 MPH with the adaptive cruise control activated, the vehicle experienced phantom braking and decelerated to 45 MPH. The contact stated that the cruise control function then activated and operated as designed and the vehicle then regained speed and accelerated to the desired speed. The failure occurred twice within 20 miles. The contact stated that during the first failure, there was no other vehicles nearby; however, the contact had passed another vehicle the second time the failure was experienced. The dealer was made aware of the failure; however, the mechanic was unable to duplicate the failure. The vehicle had not been diagnosed or repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 24,500.