NHTSA Complaint #11440863 — 2020 TESLA MODEL Y

VEHICLE SPEED CONTROL issue reported to NHTSA

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Complaint Details

ODI Number	11440863
Vehicle	2020 TESLA MODEL Y
Component	VEHICLE SPEED CONTROL
Date of Incident	November 16, 2021
Date Filed	November 18, 2021
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	IL

Consumer Description

On open freeway, I 76 between 7 am and 8 am Tuesday November 16, between Ogdallala NE and Brush CO. Using adaptive cruise control with autopilot steering (as well as without autosteer), multiple episodes of severe "phantom breaking" where the car slams on the breaks for no apparent reason. No other cars around. Flat, clear open freeway. Reported the issue to Tesla service. Even though there were multiple (>10 episodes in one hour) they have demanded to know the exact time stamp. I was able to give time within 1 hour period, vehicle location. Service says if there is a hardware issue they will look at it. If it is "firmware" it will need to wait for a firm ware update. This is dangerous. What if the car slams on the breaks at 80mph, with someone following close behind? You might be rearended. Really serious safety issue. My car has latest FSD beta 10.4. This is much worse than before this "upgrade"

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