Forward Collision Avoidance Related Problems of the 2021 Tesla Model Y

Table 1 shows six common forward collision avoidance related problems of the 2021 Tesla Model Y. The number one most common problem is related to the adaptive cruise control (374 problems). The second most common problem is related to the automatic emergency braking (164 problems).


Recently reported Forward Collision Avoidance problems of the 2021 Tesla Model Y

The Adaptive Cruise Control problem

The vehicle began experiencing repeated autopilot/fsd failures while driving. Symptoms included sudden autopilot disengagements, cruise control becoming unavailable, and loss of road visualization/navigation display functionality. The issue progressively worsened over time.   Read details...

The Automatic Emergency Braking problem

Phantom brake incident today,5/26/26. Traveling 35mph, brakes slammed on for no apparent reason. Seatbelt tightened and my head launched forward. Neck is very strained.   Read details...

The Warnings problem

Tesla’s full self-driving (fsd) system has repeatedly demonstrated unsafe behavior in my 2021 Model Y (VIN [xxx] , ~60,184 miles). The issues involve adaptive cruise control, lane keeping assistance, and forward collision warning.   Read details...


Forward Collision Avoidance related problems in other Tesla Model Y model year vehicles:



Model Y Service Bulletins
Model Y Defect Investigations