On a 1,500 mile road trip I experienced phantom braking once every 30 minutes while using both auto pilot and cruise control
2022 Tesla Model Y acceleration complaints
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2022 Tesla was in auto-pilot mode, not FSD. Phantom breaking occured on July 6 in Sacramento on Business 80, two incidents about 20 minutes apart. First incident, vehicle suddently slowed from about 65 to 30. Second incident, vehicle suddently slowed from about 65 to 10 (almost stopped) where we almost rearended. The driver was extremely angry as evidenced when he changed lanes to pass us (can't blame him), as Tesla began to reaccelerate. I have heard of phantom breaking incidents, but twice in one short trip where the second had the potential for a serious accident would indicate to me that Tesla needs to take action. I hope you relay this to them.
On July 2nd, 2022 I was driving back from a family visit in Palo Pinto County, TX and had auto pilot engaged for part of the drive. In a span of 40 minutes of that drive on a continuous stretch of Interstate 20 headed east to Dallas the car softly automatically braked once, and twice more strongly braked. In one of those instances I was near another car (near is defined as within 1/8th to 1/4 of a mile) and in both of the other instances I had NO one else within close proximity that could've caused a "reaction". That stretch of i20 is 2 lanes each direction with a median in between, no oncoming vehicles are within at least 75 - 100 feet. In the instance with the car closer, had I not been more reactive and paying attention closely, this WOULD have lead to an accident with another vehicle. In the instances with no traffic IMMEDIATELY near me.. given that rate of speed, it could STILL lead to an accident by over-reaction from others not expecting to see someone slamming on their brakes in a 75MPH zone. Tesla has been extremely unhelpful, their remote diag team says the system is "operating normally" and will not deal with the situation further.
When using cruise control (with or without auto steering to stay within a lane), the car randomly breaks. This does not appear to be associate with signage along the road. It appears to happen more frequently in the right most lane. There are certain locations where this problem always occurs, but we cannot determine what is different about that particular exit than others. The most dangerous situations have been when the breaking occurs with a car closely following while driving on an interstate in the mountains (I-70). A relative driving my car was almost rear ended at those speeds while driving on I-70. The breaking is random and unexpected, which makes it more dangerous because as driver you are not prepared for this to occur. At a speed limit of 65mph, when you are driving in a curve and suddenly the car brakes, especially when using regenerative breaking, it is the same as slamming on the brakes. This could cause you to loose control over your car. The issue has been known to Tesla but has not been fixed and new cars are advertised and sold with adaptive cruise control when in fact they are faulty, rendering the feature useless at best, dangerous in most cases.
I am reporting 3 incidences of Phantom braking with adaptive cruise control on, and 2 incidences of phantom vehicle displays on the central console while parking into a garage. 4/17/2022 ~ 1pm. on RT 101 CA between King City and Camp Robert Rest Area/Bradley. Traveling at 75-78 mph on widely separated divided straight highway, with no trees, only low grass, and no cars nearby, we (my wife driving) experienced two sudden jarring braking slowdowns. This is a hazard if there is a car tail-gating us or if the following driver does not expect us to brake for no reason. 4/18/2022 ~ 11am on Rt 10 CA between Palm Desert/Indo and Desert Center, We were traveling at 76 mph on a widely separated divided straight highway, with no trees, and only low grass. A Tesla car in front of us suddenly braked for no apparent reason and shortly thereafter pulled over to the shoulder and stopped. A few minutes later we experienced a sudden braking action in our Tesla car. In May/2022 we observed two separate incidences of a phantom van displayed on the Tesla central console while parking our car into our garage. A phantom van appeared once on the right side and once on the left side when the Tesla car was half-way into the garage. We park in the center of the garage which is relatively empty with 2 plastic tool boxes on the left side and a Traeger grill on the right side. The garage is 19' by 19' with a 16' wide garage door opening.
Driving with adaptive cruise on and car will brake suddenly
On 5 or 6 occasions while driving on the highway, using adaptive cruise control, the car has braked with no traffic anywhere around us.
Reporting “phantom braking” issues during 1600 mile cross-country from Kansas to California. During this trip there were approximately 45 incidences of the rapid uncommanded braking while on 4 lane divided highways. All driving was daytime, sunny weather at speeds between 70-80 mph. Braking occurred with both cruise control/auto steer enabled (No FSD), as well as only cruise control enabled.
I have encountered several "phantom" braking events while driving my Tesla Y in auto-pilot mode, all on the freeway or highway. This most recent event occurred while returning from Las Vegas. In each case, something dark across the road triggered the event. In two cases it was dark asphalt strips that were perpendicular to the highway. in the other case, it was a dark shadow of a bridge across the highway. I assume the car's auto-pilot system thought these things were solid objects and therefore braked. I captured each phantom braking event on the car's built-in camera and am enclosing the screen captures.
I was pulling out of the garage and I heard disturbing sound coming from the bottom it sounds like something is breaking. I thought I drove over something like water bottle but a lot louder. So I stopped halfway through the garage and looked under, nothing visible looked around each tire nothing, checked the monitor screen no warning, nothing, so I thought maybe the sound is not coming from the car and I decided to continue, pulling out and made it to the drive way and still a lot of noise sounds like big crack sound. I parked and checked the tires nothing. Looked under the front bumper, it looks like something is a little out of shape but it wasn’t clear. Then I realized I can’t drive like this so I started to drive forward the noise was very loud, barely made it to the original parking spot then I got out of the vehicle, checked again and a lot of stuffs hanging near front wheels, looks like something is wrong with the suspension, the car has only 2000 miles on it. The worst part is that there is not a single warning sign on that big screen which supposed to show If something is not in order. If it wasn’t for the unpleasant noise, my 7 month pregnant wife would have been driving in the middle of a freeway in less than 5 minutes. I am still shaking from how close we were to be a real danger to ourselves and to other drivers on the roads. We got lucky that it happened right before we get to the roads. I want a full safety and defects inspections on the 2022 model Y
Phantom Braking. I was on Auto Pilot on the freeway traveling at 75 mph. All of a sudden the car did an automatic hard brake and the car started to veer toward the center divider. The car only had 64 miles and was brand new. This was the first time I had used autopilot and had been on the freeway. There was a truck on my right and it was a 2 lane freeway. Nobody has inspected the car.
On June 3rd I was driving on I-80 heading West towards Chicago. The car was on Auto Pilot (Cruise Control) and traveling at 70 mph. Without any warning or warning lamps/messages the braking system suddenly applied the brakes. I had to quickly apply the accelerator. If a truck or car would have been following me closely they would not have had time to react. I am afraid to use the auto pilot in heavy traffic for fear that I could be rear ended as semis always tailgate in Chicago. I have a service appointment set with Tesla on Monday the 6th of June to have this looked at.
While driving on the freeway at around 4pm my tesla broke hard on the freeway without me asking it to. The hard braking incident occurred while using autopilot on the freeway.
The contact was driving a 2022 Tesla Model Y. The contact stated that while pulling into a driveway, the vehicle unintendedly accelerated, colliding with a vehicle in front. The contact stated that the vehicle then went backward, crossing the road, colliding with the neighbor's garage door, and pushing it to the side as the vehicle stopped once it collided with the parked vehicle in the garage. The contact stated that no warning lights were illuminated. The contact stated that she suffered from a headache for a couple of days but no medical attention was sought. No one else was injured. A police report was filed. The vehicle was towed to the Tesla collision center in Austin, TX. The vehicle was towed to the collision center where it was still awaiting diagnoses and repairs. The manufacturer was not made aware of the failure. The approximate failure mileage was 400. Consumer's son is filing the complaint on behalf of his mother.
We were driving on interstate. We had cruise control engaged but had accelerated to pass a vehicle. The car rapidly braked with no warning, to at least 10 miles lower than our cruise control speed. There were no warnings associated with this rapid braking and there were no risk factors around us at all. This is fortunate, as if someone had been close behind us an accident could have very easily happened. -- This has happened once before, while driving on interstate. Very startling and inexplicable. -- Both times have hit the accelerator to get back to a speed appropriate to flow of traffic.
See attached report
Vehicle braking for no reason when using adaptive cruise control or autopilot. On a 485 mile trip on a 2 lane highway going one direction no oncoming traffic lanes and no vehicles close by vehicle would suddenly just slow down rapidly 20vto 30 moh. It did this 9 times until I just turned off cruise control.
In late February we were driving up California State Highway 5 at approximately 70-75 miles per hour. There were no cars within half a mile, and we had turned on adaptive cruise control. Suddenly, there was a strong brake applied for no apparent reason, which was very disturbing for the entire family. We have never turned on adaptive cruise control since. This appears to be an instance of "phantom breaking" according to our online research.
Phantom braking while using cruise control.
Autopilot Phantom Braking while using cruise control, adaptive speed control. Occurred 9 times on a single drive. Often with no other cars, or anything in sight - in Death Valley to be specific. Instant breaking would occur, sometimes drastic, at times might have brought car to a complete stop if I'd not taken over control. We are now very reluctant to even use cruise control. This occurs with either adaptive speed control or Enhanced Auto-pilot. FSD is not enabled.
We were on the highway the power went out. The car did not have emergency brake . We could have gotten hit. We finally was able to stop on the shoulder with the driver not letting go off his foot pedal to keep the car from moving. We called Tesla and he wasn’t able to restart the car and yet he said the car has lots of power. The back door doesn’t open in an emergency as well
Car set at 75 MPH cruise control, brakes unnecessary with no obstructions or danger, and reduces speed to 45 MPH while having adaptive cruise control active. Tesla response = this is a Beta feature. Read your manual. This is incredibly dangerous and a rear end collision waiting to happen. I feel like this is reckless and to just blame it on being Beta is borderline criminal.
While on cruise control, the car will, out of nowhere, apply the brakes very aggressively ("phantom breaking"). This despite there being no vehicles nearby or any potential threats to safety. This phantom braking is obviously very dangerous and is a reason why I don't really use it anymore. It has happened 3-4 times since I bought my car, and that's despite not really using cruise control very often (for this reason). Clearly there's a software fault of some kind
On April 15, 2022, I experienced two incidents of sudden braking while in cruise control on a round-trip four-hour drive in my Tesla model Y. I was driving at between 60 and 65 miles an hour on a four-lane road. Between the incidents, I reached my destination and the car was parked for several hours. In each case, there was no car in front of me in my lane, and in one case, as I remember, there were no cars in front of me anywhere near. The car slowed suddenly by 10 to 15 miles an hour, as if I had taken my foot off the accelerator. I applied pressure to the accelerator to return to cruising speed. In each case, the road was dry and the sky was largely cloudless. There was no warning. I bought the car new in January 2022. I have not had the car inspected since the incident. I did investigate on the Internet and learned that there have been many other such incidents with the Tesla Y and 3 models. I understand that the NTSB has an open investigation on the subject. The problem is very serious. Fortunately, there was no one traveling close behind me, or the sudden slowdown might have caused the following car to crash into me.
while vehicle in autopilot mode and driving on 2 lane highway, vehicle would suddenly brake hard for no reason to do so. The same would occur on the freeway at the beginning of a bend in the road. This phenomenon commonly occurred and I have stopped using the autopilot feature for fear of being hit from behind if the vehicle suddenly braked for no apparent reason. No previous warning lamps or messages when the problem first occurred. I did see messages on 4/1 during my drive that some of the cameras on the car were disabled or blocked and the messages disappeared and reappeared several times for about an hour and then stopped appearing. I have not had these messages reappear since. I have a service appointment scheduled at the end of April.
Highway driving using cruise control and car suddenly brakes hard. Has happened 3 times. All the incidents seem to be on slight hills with no traffic/nearby cars or road hazards. Took place in remote parts of New Mexico on Interstate 25. The braking is hard enough to cause an accident or to be rear ended due to the fast deceleration.
While I am turning to driveway slowly on the brake all of the sudden accelerate d too fast hitting my house wall the went to driveway with very high speed crashing my safely parked Mercedes benz pushed to the garage .the Mercedes is destroyed and the home garage destroyed. Home security cameras have videos and recorded.
Just got the Model Y and drove from Kansas City to Denver and back to Kansas City. When using the cruise control the car would suddenly break for no apparent reason. The breaking rapidly decreases the speed of the car. This would occur multiple time without any warning or apparent consistency. Talking with other Tesla drivers at charging stations, this seems to be a well-known and common problem. Because of the unpredictable nature of this, I feel it is unsafe to use the cruise control when there are other cars present, especially cars that are behind the vehicle. I have no idea if the break lights come on with the phantom breaking occurs. If they do not, this would make the situation even worse. Cruise control has been around for years--it should work properly and **safely** on such a high-end automobile.
My car has problems with uncommanded slowdowns while cruise control and/or Autopilot are active. The vehicle will slow down suddenly in any number of predictable and unpredictable situations. The extent of the slowdown is variable as well. It can range from a slight “hiccup” in the speed, which is simply unpleasant, to a significant, rapid decrease. (Like, more than 10mph, very quickly.) This can occur at various times of day, though I don’t drive much at night (it has happened then as well). Driving on any two lane road with a vehicle following at any time is risky and in my opinion hazardous. Particularly if the vehicle following is even remotely close. If the following vehicle isn’t paying attention and the car decides to brake for whatever reason (and apparently there are LOTS) that’s a collision waiting to happen. I have refused to use my car’s cruise control system since shortly after I got the car due to this issue. I try it every once in a while to see if it’s any better, but it hasn’t made it more than 5 miles before another event. Not only is it a terrible experience for passengers, it’s unpleasant to have to keep my foot above the accelerator pedal to react to the stupid braking the car will do. Some of the predictable things that cause braking can include, not limited to - oncoming vehicles on a 2-lane (especially trucks, and almost everything bigger than an F150), many larger mailboxes, and in some parts of my commute - simply nothing at all. I don’t know what the car sees, but it brakes. Less predictable are the times it will brake for shadows. Can’t use cruise control when there’s trees shadowing the road. It is absurd. No vehicle this day and age should risk causing an accident because of random shadows!! To be clear, I’ve never had a problem in a divided highway. Everywhere else, though, forget it.
Phantom breaking several times daily. Now I don’t feel safe using it and I am only able to use the feature when I am sure there is no one behind me. One incentant almost resulted in rear end collision. Car thought something was there and applied break abruptly and person behind was following closely and almost crashed into me. Since then I am not able to trust this feature. A major software flaw for such an expensive car. And a very serious safety concern.
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