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Whoa Holy Phantom Braking
- Thread starter petechatelain
- Start date
I think the "Bug Report" voice command has to be at or near the event time, but I am not certain. From a practical perspective, they likely don't have time time or staff to research too far back to try to match the imagery to your report.
Thanks.
My speculation is that any AI Tesla uses isn't sophisticated enough to find these on its own. Tesla really should push for more Bug Reports since we are all Beta Testers, but they don't, perhaps to avoid scaring people?
Regardless, these are all important as phantom braking can be dangerous and suggests that the system learning isn't anywhere near where it needs to be.
Each Bug Report should make it better, or so we all hope!
Lasttoy
Active Member
Mine still happens only when backing up. Buddy was in Saturday, it did it 4 times in one backup.
Nope, that's what happens when you back up without your seatbelt on and lift your butt off the seat . . . or so I'd guess from personal experience.
Jae001
Member
I have owned my 2016 Model S for a year now and have never had this happen to me. One thing it has done is change lanes on it's own when it is following another car or a car passes between me and the car in front of me. I have almost sideswipe cars on 2 different occasions. That is worse than the phantom breaking. At least getting rear ended it won't be your fault.
roblab
Active Member
Lasttoy
Active Member
I never move without belt fastened, I certainly dont lift my fat butt off the seat. It's just magic. I mentioned it today on phone with help desk. He said had heard the complaint.
Happened to me in my M3 yesterday for the first time. I’ve got 1030 miles and only read about phantom braking. I was in the fast lane on the freeway without any cars in adjacent lanes changing lanes or anything. It was fairly cloudy so no shadows or anything on the road and the car braked abruptly while I was going 80. It brought me down to around 60. Thank god no one was behind me.
I recently returned from 7,000 mile road trip. I have 2018 Model 3. During my trip I had several events of phantom braking.
During one of those events I was nearly rear-ended by a semi. This was a particularly hard braking event and my speed dropped quite a bit before I could jump onto the accelerator. Even though the whole thing was over in 2 seconds, I was so shaken up that it took a while to regain my composure. I still don't know how the semi did not hit me, but his horn did let me know how unhappy he was with my driving. No doubt this is a major safety issue.
During one of those events I was nearly rear-ended by a semi. This was a particularly hard braking event and my speed dropped quite a bit before I could jump onto the accelerator. Even though the whole thing was over in 2 seconds, I was so shaken up that it took a while to regain my composure. I still don't know how the semi did not hit me, but his horn did let me know how unhappy he was with my driving. No doubt this is a major safety issue.
I keep my foot on the accelerator when going under bridges or large signs. Had a major braking event when my windshield was first replaced and went under a large street sign. But by having having my foot on the accelerator (Not pushing it), I could react quickly. Fortunately only has happened to me once.
For me we have a 2016 Model X with FSD HW3 mcu1 the phantom braking seems to occur when the traffic in the other lane slows too much. My lane might be moving along fine but if there is too much differential between my lane and the adjacent lane the car wants to slow down, so I don't go screaming past the traffic in the lane to the right of me. I remember at some point there was an update to slow down when the adjacent lanes were moving too slowly but it seems like its gotten more cautious and slows down even if it isn't necessary.
Actually I feel like the phantom braking happens more at dusk and at night than during the day. Of course when the sun is directly in front of you that doesn't help by blinding the camera but I wouldn't put that in the phantom braking category.
GoldenBasis
Member
That seems to explain the latest behavior. In addition to highway exits ramp braking, lately the car has been violently braking on a city through street at very low speed. There are speed cameras on this street near my home so I always set AP speed to the limit (40km/h) which is very slow. The lane is double wide with parking in the right lane but few cars are actually parked there. It seems when I am passing by a parked car, the AP beeps loudly and slams on the brakes and then continues. This is a fairly recent 2020.20?, occurrence but it is not safe at all.
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