Forward Collision Avoidance Related Problems of the 2021 Tesla Model S

Table 1 shows five common forward collision avoidance related problems of the 2021 Tesla Model S. The number one most common problem is related to the adaptive cruise control (23 problems). The second most common problem is related to the automatic emergency braking (18 problems).

Table 1. Forward Collision Avoidance related problems of Tesla Model S


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

The Adaptive Cruise Control problem

On October 17, 2025, while using full self-driving (fsd) mode on my 2021 Tesla Model S plaid, the car failed to stop at two red lights within a three-hour period. In each case, the car attempted to drive through the intersection even though the signal was solid red.   Read details...

The Automatic Emergency Braking problem

Third time this week I have been thrown forward into the steering wheel with no cars or objects surrounding me.   Read details...

The Warnings problem

There was a trash can on the edge of the road and my vehicle was in autopilot/fsd mode and for some reason it swerved over too close to the edge of the road. I intervened in time to avoid hitting the trash can head-on but it still struck the passenger side mirror and scraped across the passenger   Read details...


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



Model S Service Bulletins
Model S Defect Investigations