NHTSA Complaint #11454193 — 2021 TESLA MODEL Y

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL issue reported to NHTSA

Check any vehicle history by VIN - Free vehicle history report

Complaint Details

ODI Number 11454193
Vehicle 2021 TESLA MODEL Y
Component FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
Date of Incident
Date Filed
Mileage N/A miles
Crash No
Fire No
Injuries 0
Deaths 0
Vehicle Towed No
State OR

Consumer Description

This vehicle when on ADAS (aka autopilot) and adaptive cruise control I experience constant "phantom" braking where car will slow down or slam on brakes for seemingly no reason. Most noticeable on a non separated highway phantom braking occurs constantly and is very predictable when large truck is near on the oncoming lane; happens probably 80% of the time. Slamming on the brakes for no reason is alarming and dangerous in my estimation. This system is completely unusable and very unnerving. Ironically I had a 2019 Model 3 with the same features and did this very rarely so this feature is much worse than it was on older vehicles with radar.

Related Complaints for the 2021 TESLA MODEL Y

Other FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL Complaints

#11713621 When driving with cruise control engaged the car randomly brakes and shows a "curvature assist " indication. The car ...
#11704381 In early Nov 2025 my Tesla Model Y began intermittently showing warnings about the forward collision warning system a...
#11700791 The car has a feature called "curvature assist" that takes control of braking and steering at times when using cruise...
#11687653 Tesla’s Full Self-Driving (FSD) system has repeatedly demonstrated unsafe behavior in my 2021 Model Y (VIN [XXX] , ~6...
#11683388 Immediately after an over-the-air (OTA) update on Aug 8, 2025, my vehicle began showing camera connection errors and ...

Recent Complaints for the 2021 TESLA MODEL Y

#11719252 STEERING Both torn bushing and broken links at 29k miles.
#11719252 SUSPENSION Both torn bushing and broken links at 29k miles.
#11719252 WHEELS Both torn bushing and broken links at 29k miles.
#11718843 LANE DEPARTURE: ASSIST The car suddenly reduced lane assistance and steering assistance functionality. After calling Tesla they said it is n...
#11718843 LANE DEPARTURE: WARNING The car suddenly reduced lane assistance and steering assistance functionality. After calling Tesla they said it is n...
Check any vehicle history by VIN - Free vehicle history report