NHTSA Complaint #11483197 — 2019 TESLA MODEL X

What component or system failed or malfunctioned, and is it available for inspection upon request? -- Cruise Control system (with or without Full Auto-pilot engaged) How was your safety or the safety of others put at risk? -- Vehicle comes to a near complete stop from highway speeds, in traffic, to avoid 'something' that doesn't exist Has the problem been reproduced or confirmed by a dealer or independent service center? -- No, but can be reproduced on Highway 54 between El Paso, TX and Alamogordo, NM Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? -- No Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? - No, problem has occurred since April 2022 after receiving the Full Self-driving beta software update. Description of problem: Vehicle is suffering from the well known "Phantom Braking" issue and appears to be getting worse. The problem can be reproduced 100% of the time on Highway 54 between El Paso, TX and Alamogordo, NM. With Cruise Control activated and set to 75 MPH (Auto-pilot disengaged), vehicle will hard brake to 45 MPH or less and then resume back to 75 MPH; essentially "brake checking" the vehicle directly behind. No injuries or accidents to report at this time