2021 TESLA MODEL Y Service Brakes Problems

Picked up car from tesla service on 12/30/2025. On [XXX] at around [XXX] I had pressed the car break and suddenly accelerated and lead to crashing into the pole. I am concerned about the safety and if it is drivable. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The car has a feature called "curvature assist" that takes control of braking and steering at times when using cruise control. The incidents are at times surprising as there is no curvature present but the braking is suddenly applied. This is a surprise for both the driver and any following traffic. The car would be safer if this feature could be disabled but that is not possible.

On October 2, my Model Y battery was replaced with a defective cell. Tesla service center replaced the battery. The vehicle could not charge or operate, making it unable to be driven. Today, November 2, while driving my car, my Tesla ABS system and other battery components experienced total failure while driving. For a brief period of time, I was unable to brake completely and my vehicle felt like it was skidding. At the time this occurred, my 1 year old daughter and pregnant wife were in the vehicle. This could have been much worse.

I am reporting a safety issue involving my 2021 Tesla Model Y. The vehicle recently displayed a “Parking brake function degraded” warning. The car has only 91,000 miles and is approximately four years old, which is far too soon for a failure of a critical safety component such as the electronic parking brake. Please investigate whether this issue is part of a wider defect affecting Tesla Model Y vehicles. This should not occur on a relatively new car with moderate mileage.

Alerts regarding vehicle steering, stability, emergency braking, lane control traction, received all at once and the Tesla AI advisor indicated others were reporting the same. No other vehicles in lanes around us showed up on the vehicle LCD screen as normally they do too. Car did not brake normally (foot off accelerator and no braking) and handling seemed different although we were very cautious. Tried to resolve with screen reboot and multiple drives as AI Advisor suggested and it did not self resolve. Contacted Tesla service and they suggested HCU was faulty (hydronic control unit) and ABS modulator. Also wanted to look at vehicle low voltage circuit. They scheduled me for a first available $1600 service on Feb 26th (in 9 days). See attached. Seems like a significant safety issue and defect and should be recalled before some gets hurt, especially if others are seeing this too.

After a snowstorm, I shoveled my driveway in front of the car which was facing toward the road (the driveway is on an incline, not steep), cleared the snow off the car and then pulled the car forward/put it in park so that I could shovel the rest of the snow. It took me and my 15 year old son 10 or so minutes to clear the snow behind the car. Then I started to salt the driveway behind the car and a snowplow driving by started honking. I looked up and the car was sliding down the driveway towards the road. Luckily it slowed and stopped, only slightly into the road and did not hit the snowplow, or anything else and I was able to get in and move it. I have a video clip of it which I am unable to upload here - the front tires were rotating while the back tires were locked in place.

I was driving in the dark down a straight road traveling around 60mph when the car abruptly slammed on the breaks and came to an almost complete stop. I was not using self driving, I was in control of the car but when this occurred I did not release the gas. Out of Instict I tried to get the car moving again and pressed the gas but the car did not respond so I pressed the brake and then the gas and the car started driving normally again. Thankfully there was nobody in the car with me and no cars behind me. The braking was abrupt enough that my neck hurts from the jerking forward of my body.

The contact owns a 2021 Tesla Model Y. The contact stated that his wife was driving at 5 -10 MPH and traffic ahead was slowing down, the vehicle in front stopped and the driver depressed the brake pedal however the vehicle then unintendedly accelerated. As a result, the contact crashed into the rear of the vehicle in front. No warning lights were illuminated and no air bags were deployed. No police report was filed due to no injuries being sustained and the insurance company would be handling the incident. The vehicle was towed to a body center where it was diagnosed that the front air bag sensors were fractured in half and failed to activate the air bags but did activate the seat belts during the impact. The vehicle was not repaired, and the repair decision from the insurance company was pending. A dealer was not contacted. The manufacturer was informed of the failure via the app however the contact was still waiting for a return call to speak with a live agent. The failure mileage was 18,680.

Mileage: 18,850

The issue appears to be an acceleration malfunction and brake failure in my 2021 Tesla Model Y. The vehicle is available for inspection upon request. On [XXX] at [XXX], while waiting for the garage door to open, the car experienced an unknown unintended acceleration malfunction, surging forward uncontrollably. It didn't wait for the garage to open, crashed through the garage into the family room, causing significant structural damage to the framing and door. The City of Eastvale declared the house unsafe, sealing it off. I am now homeless and staying with friends temporarily. During the crash, the airbags did not deploy, and the ABS system failed, preventing an emergency stop. The car stopped 4-5 feet away from my wife, who was on the sofa, posing a critical life-threatening situation. Thankfully, [XXX] and I survived, but this incident caused severe mental trauma for my family. We have not reported the incident to Tesla. The dashcam footage appears deleted during the crash and the car seemed to have only recorded footage before the crash and after. This issue has not been reproduced or confirmed by any dealer or service center, but further investigation needs to be done. The vehicle has not been inspected by Tesla or any service center. However, the police and insurance representatives have been involved. We are coordinating further inspections to find the cause of the acceleration and brake failure. We aim to invoke the Tesla Event Data Recorder (EDR) tool to investigate what exactly went wrong with the car. There were no warning lamps, messages, or symptoms before the incident. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Driving [XXX] enroute to Houston from Peoria, AZ, on cruise control, the auto braking activated aka ghost braking, causing the car to extremely brake. No other cars or trucks near us and no signs in area that might affect cruise control. I thought this was fixed! Totally unsafe. Luckily no one was behind us. This happened a lot back in mid 2021 and to have it still happen is hazardous. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Car was summoned and turned a sharp right directly hitting the car parked next to it while pulling out. The location was the parking lot of [XXX] on [XXX] . I have a full video of this which shows the car pulling forward then taking a sharp right impacting the vehicle parked next to it. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Power was lost completely while car was on the road, breaks stop working and unable to stop. Driver had to go off road to prevent collision and road a accident. Towed to Tesla center. Diagnosis is “internal short” but did not elaborate. No explanation and answer why break did not work. External damage due to accident was not covered.

The contact owns a 2021 Tesla Model Y. The contact stated that while driving at low speeds when making a J-turn beside the contact's steep driveway, the vehicle crashed into the curb then began to roll down the steep hill, and crashed into a tree. The contact stated that the brake pedal was depressed, however, the vehicle continued to roll. No air bags were deployed and no injuries were sustained. The vehicle was taken to the repair shop where the headlight assembly, the hood, and the full front assembly of the vehicle were replaced. The manufacturer was made aware of the issue. The failure mileage was approximately 400.

Mileage: 400

I was driving on PA Turnpike in light rain . I never drive fast . Somehow my car start shifting from one side of the rd to another I slow down but I did not feel connection with sterling wheels car start spinning in circles and I crashed with 2 kids in the car.

On 6/25/22 our 2021 Tesla Model Y with 16,163 miles had a sudden unintended acceleration, it didn't responded to the breaks and within seconds hit a parked car and finally stopped when it crashed to a large tree. It was a "Total Lost" by the insurance. Around 1pm on a clear sky day, driving out of a small gated residential community, before exiting I pulled over the side of the road for a few minutes, when I resumed the car suddenly accelerated to what felt like full speed. While I stopped by the side of the road the car remained in "D" mode, when I resumed I forgot that it was already on "D" and pushed the shift level down; we think the car went to Cruise Control to the last used speed which was probably a highway speed. The breaks didn't stopped the car and didn't cancel the accelaration. It traveled out of control less than 150 feet before it crashed to a large tree. For some "unknown" reason, the footage of the 4 cameras got erased from my usb memory stick. The only video left was the front camera and that video was cut a couple of seconds before the first crash. Tesla took almost a year on their "investigation" and the result was a long technical BS indicating that they didn't found anything abnormal. Driver airbag deployed.

1. Under certain circumstances, the vehicle is able to decelerate using its regenerative braking system without illuminating the brake lights. This occurs during "one pedal driving" where the operator is driving only using the throttle to both accelerate and decelerate the car, without the input of mechanical brakes. This is a programming issue, not a mechanical issue. The brake lights are "triggered" when the car decelerates at a threshold of -0.1G or greater. At anything less than -0.1G, the lights will not turn on. This drastically increases the risk of a rear-end collision. 2. Under the right conditions the operator could decelerate from a speed of 45 mph to 5 mph without the brake lights ever coming on, not until they reach a near-complete-stop. This poses a high risk to all drivers that are behind the vehicle, and fails to give warning to other drivers. It should never be possible for this to occur. 3. This problem has been in discussion on Tesla owner's forums; specifically "Tesla Motors Club". (see attached posts) Tesla has the highest accident rate, and no one has yet figured out why. A typical internal combustion vehicle equipped with an automatic transmission coast-down decelerates at an average rate of -0.02G. The Tesla's regen brake light turn-on threshold of -0.1G is 5X more than the deceleration of a typical coasting ICE car (-0.02G) . For slow-downs between -0.02G and -0.1G, where the Tesla's deceleration exceeds an ICE car by up to 5X, there is no warning to other drivers, as the brake lights will not turn on. Any braking force above -0.02G of deceleration exceeds that of an ICE car, and should be made-known via the brake-lights. I hope that this is not overlooked; it is extremely important for this to be addressed to reduce rear-end collisions involving EV's. 99%+ of vehicles in the USA are ICE, and do not coast-down at a rate of -0.1G. The brake lights must indicate this above-normal reduction in speed.

Phantom braking. We were going at around 45 miles per hour on route 30 and the car suddenly engaged brakes without anybody in front of me. Apparently it's a known issue called phantom braking and I wanted to report it

Car will, without warning brake aggressively while in cruise control, without pressure applied to brake. No other factors on road, except cars behind. This occurs frequently when car is driven in autopilot. Car will, without warning accelerate to a high speed without pressure applied to the accelerator. This acceleration is stopped with pressure being immediately applied to brake.

driving from Albuquerque NM to Farmington NM, in approximately 1 1/2 hours of driving on hwy 550, 4 lane divided highway, encountered no less than 12 hard shadow breaking events. in all instances there were no vehicles, animals or debris in front of the vehicle. It was a cloudless day, starting around 9am, clear no fog, temperature in the 40's. high risk of being hit if a car was following close behind, incident has been reported to tesla, no inspection. there was no waring prior to all hard shadow breaking events.

To the National Highway Traffic Safety Administration (NHTSA), I am writing to formally file a complaint regarding a recent experience with my 2021 Tesla Model Y, which is still under warranty. While using the vehicle, I observed an abnormal sound when reversing. After seeking Tesla’s service, I was informed that the rotors on my car needed replacement. What greatly concerns me is that, despite the car being under warranty, Tesla charged me an amount of one thousand dollars for this repair. It is essential to note that this malfunction wasn’t due to any negligence or external factors on my part. I have video evidence that captures the sound the vehicle made while reversing, further emphasizing the unexpected nature of this issue. My understanding of the warranty terms led me to believe that such unforeseen defects should be covered without any additional charges. It is deeply unsettling to be presented with such a significant expense for a problem that, in my view, should have been resolved under the warranty’s purview. I am reaching out to the NHTSA to shed light on this matter, as it brings forth concerns about the potential for similar experiences faced by other Tesla Model Y owners. I request the NHTSA’s assistance in investigating this incident to ensure consumers like myself are not unduly burdened with unjustified costs. Your attention to this matter is highly appreciated. I am hopeful for a just resolution that aligns with the NHTSA’s dedication to safeguarding consumers and ensuring vehicular safety standards. Sincerely, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Findings from Tesla technician: Verified customer concern for active low brake fluid level alerts. Technician performed a brake inspection and found the rear right brake hose is damaged due to incorrect hose routing. Found the hose is rubbing on the wheel arch liner. The brake calipers have been modified/painted. Technician recommends to replaced rear right brake hose and bleed entire brake system to remove air pockets. Removed and replaced right rear brake hose. Performed brake fluid flush. Performed brake pressure test and passed. Removed and replaced right rear wheel arch liner. Performed validation road test and verified repairs. Vehicle operations is normal at this time and no alerts are active. Further findings from Tesla technician: During brake fluid flush found left rear caliper mounting bolt is not installed. During brake fluid flush found left rear caliper mounting bolt is not installed. Installed new caliper bolt. Torqued both caliper bolts to factory specifications. Test drove vehicle. Verified repairs, operation is normal at this time and no alerts are present at this time.

Driving Down freeway at 70 mph when my car stopped immediately ! No one or nothing in front of me . 6 cars behind me and everyone swerved to avoid me or they would have hit me. I was terrified. I called Tesla and they said it was “phantom breaking”. It happens to model 3/Y from 2021 and 2022. It happened 2x in an 8 hr period. July 22, 2023

Phantom Braking. When there are refractions on the road seen in my lane in bright sunshine. Also in a 2-lane highway with oncoming vehicles that have lots of chrome also in bright sunshine. Never happens at night or when cruise control not enabled.

On, June 24th and July 15th my vehicle experienced multiple errors while driving. Indicator lights stated the following: stability control disabled, dash cam disabled, traction control disabled, regenerative braking disabled, emergency braking disabled. On July 15th the front motor was disabled, causing the vehicle to not have enough power to continue up the mountain. The vehicle stopped in the middle of the highway, and started rolling backwards. After I was able to turn the vehicle around, the brakes were grinding, and did not stop the vehicle. There as a smell of burnt rubber, and the brake pedal started “ popping” and moving back and forth on its’ own. The engine failure has occurred twice, and all of other errors have occurred 4 times since June 2023. I made an appointment with the Tesla service center and they cancelled my appointment, for no reason. After the July 15th incident, I took the vehicle into the service center myself. These issues are intermittent, which is very dangerous. The car will experience these errors, and then operate as normal. Tesla told me that they thought this entire thing was “ strange” and that they have never heard of this issue. All logs on the vehicle show these errors, and I have a witness. Tesla has not updated me with the status of my repair, or even a diagnosis. I am terrified to drive this vehicle.

Phantom braking in autopilot. Traveling at 75mph with traffic behind, fortunately the car behind was not following closely. No warning message beforehand, just happened very suddenly with no obstructions in sight. Weather was clear and sunny, no traffic in front. Two minutes later, the car completely ignored a deer standing on the hard shoulder!

We have recently experienced a significant and concerning increase in incidents of phantom braking and have thus far been unable to receive an adequate response from Tesla. We have had at least six instances of this occurring today, 16-Jun-2023 in the first 6-7 hours of our cross-country drive, and I’ve shared these time stamps with Tesla service. This is because we experienced this same thing 2-3 times on another long drive in November of 2022, and Tesla service told us at the time they couldn’t do anything about it unless we had time stamps because otherwise, it’s too many pages of code to sort through and beyond that, you have to notify them within 12 days of the incident or they can’t look into it at all (which is what happened with me- although I had to chase them to even get a response). They also said it was a “known issue” but were unsure about a planned remedy. I took screenshots of that conversation with Tesla service and have attached to this submission in the event that’s helpful. We are still pending a response from Tesla service for the multiple incidents today. Interestingly, we had taken this car on multiple lengthy drives in all types of conditions prior to Nov 2022, but never experienced this issue previously. It certainly seems to be increasing in frequency and intensity (I know my n=1 for my sample size here makes this somewhat anecdotal, but it’s terrifying regardless) and it seems like only a matter of time until tragedy strikes.

While driving at speed (75-80 mph) on Interstate 90 and 80 (different days) auto aggressively applied brakes. No other autos, trucks or obstructions were anywhere close to the car. There was no forewarning the problem was going occur. All occurred in daylight from morning until mid afternoon. I recognize this as phantom braking. Tesla refuses to look at the car because I did not have the exact time the problems occurred, messages from 6/2/23. I am of the opinion if this was Elon's car they would look at it.

On a trip from Spokane to Seattle on 5/27/2023, while traveling at 72mph on I-90, we experienced “phantom braking”. This resulted in the vehicle rapidly decelerating based on its detection of something in front of the car to avoid a collision. This occurred 3 times on the trip, and in no case was there anything for the vehicle to avoid. Weather was clear and road conditions were dry. Our biggest concern is that there could have been someone following directly behind, and would have certainly caused an accident if this were the case. The Tesla was in “autopilot”, which is the only mode we have experienced this. We experienced this last year on the same stretch of I-90, just east of Moses Lake to just west of George Washington.

I was driving down the highway. The weather was clear. Sunny. The road was dry. Middle of the afternoon. I was using the Adaptive Cruise Control. I was driving the speed limit, 70 MPH after driving for a couple of hours, the car had about three different times when it felt like the brake was tapped, the car slowed a bit and then regained speed. I stopped at my destination for about 4 hours and then returned home. Same roads conditions, sunny, dry road, etc. Same road, 70 MPH, the car suddenly hit the brakes HARD. Slammed might be too strong of a word because it's not like the car left skid marks on the road, but the brakes hit very, very hard. The car slowed to 25 or 30 MPH. Fortunately there were no cars behind me or me and my wife could had been killed right then.

The car started to malfunction its ability for regenerative braking (regen.) upon release of the accelerator. The car felt as if the regen feature was slipping - so instead of a constant brake and deceleration, the car could be felt moving forward as if accelerating. Then while driving on freeway at 65-70 mph, car lost its ability to brake when I pressed on the brake twice, instead of slowing it felt as if the car just continued at its current speed. Then the car cut its power and flashed an alert "Power Reduced - exiting and re-entering vehicle may restore operation" it then flashed an alert "PULL OVER IMMEDIATELY - Unable to drive". According to Tesla, they said it was the "LH body harness. Found that the harness was not creating an efficient connection" but they never directly addressed why it felt as if the car was accelerating when I pressed on the brake. Safety was critically comprised for myself and others who I could have hit in a vehicle collision since the brakes did not respond accordingly and felt as if it accelerated or continue to maintain its speed. The problem was confirmed by Tesla but they only addressed the car going into what they refer to as "limp mode". Car was inspected by Tesla and diagnosed the problem to a faulty/bad body harness that caused an improper signal. No warning lights or messages prior to the failure. Symptoms started the morning of the incident with the noted regen not fully engaged/working correctly. I did not have any feature setting which would have caused or replicated the lack of regen. I can provide the dealer invoice if needed.

On the evening of April 18, 2023, I was driving on the southbound 101 in Northern California using autopilot, and despite the surrounding area being clear of other vehicles, pedestrians or debris, without warning, the autopilot system forced the vehicle to suddenly and harshly brake. It was completely unwarranted and unexpected and really gave me and my passenger a scare, and this ain’t the first time it occurred. We purchased our vehicle in November 2022 and in December we were using autopilot on the 405 south in Los Angeles, traffic was moving at a steady 70MPH when the vehicle abruptly braked, thinking it was a one-off we didn’t report it but after reviewing several complaints of similar issues by other Tesla owners, this is a real problem. I saved the event on my Tesla dashcam.

Vehicles continues to make random unwanted and dangerous sudden braking at highways speeds while the cruise control is engaged.

FATAL TESLA BRAKE FAILURES. The brake of Tesla suddenly failed while I was driving, it has happened multiple times even after the service center claimed the issue was fixed. When the issue happened, the brake was not effective and made huge noise while I pressed it. Meanwhile the steering got pretty heavy, other components failed(front motor disabled, traction control disabled and stability control disabled) at the same time as well. Tesla Service Center has tried to fix this issue once, but the issue happened again after ONLY ONE WEEK since they fixed it. Luckily I was driving slowly on a local road both times, but it was apparently fatal if driving on a highway. I've uploaded the error message on Tesla screen and repair invoice as attachments.

While utilizing the ADAS features including the adaptive cruise control, the vehicle unexpectedly applies its brakes while driving at highway speeds.

Vehicle began showing the below warning messages, followed by loss of power steering and abnormal braking behavior (brakes did not work properly). This is a recurrence of an issue that previously resulted in the vehicle being towed to Tesla, but whom were unable to diagnose the problem. -Automatic Emergency braking disabled -Lane Departure Avoidance features unavailable -Traction control disabled -Automatic vehicle hold disabled -Stability control disabled -Steering assist reduced -Front motor disabled -Power reduced

This car is unsafe. 70K+ purchase price with the inability to use basic cruise control, must-less the 10K FSD purchase that is USELESS. The phantom braking is constant while trying to use the basic cruise control, auto-pilot/FSD. Driving this car makes me a nervous wreck and I am beginning to HATE it and regret my purchase. I am seriously concerned for the safety of myself and other Tesla owners based on the current radar-less autonomous features. NHTSA should get involved and force Tesla to address the phantom braking issues before more people are involved in an accident that could be avoided.

There are multiple issues: 1. When trying to back up slowly, or move forward slowly, the car goes automatically on park "to prevent roll". I am intentionally trying to slowly back out of parking, and the car keeps stopping 2. When I try to change lanes, in many cases the car gives a solid "beep" which is equivalent to me almost crashing to another car. But there are no other cars! 3. The car keeps giving forward collision warnings when there is no immediate danger to collide with anything, and in most cases there is nothin in front.

I have been driving long distance 418 miles today from Phoenix, AZ through Las Vegas, NV and north. In my 6 hour journey today my breaks were applied randomly by the computer around 20 or more times on autopilot and on cruise control. It is an extreme safety hazard. I want this on record because this is day one of a cross country trip and in case anything happens. The phantom breaking was so frequent in the last hour I could not drive with autopilot on anymore for fear of a car following me would crash into me at highway speeds above 65mph.

The car brakes at highway speed with no safety hazards in sight. This phantom braking occurs while on cruise control or when using the accelerator pedal. We don't use auto pilot. It is very upsetting and could cause a rear-ending accident.

Tesla Y Unintended Acceleration! Driving my Tesla I got a phone call that did not show up on screen then 1-3 seconds later my car took control of itself and rapidly accelerated. I had NO control with no steering or brakes. Powerless inside an accelerating vehicle! The car then crashed up on the median through a private community light post and into a tree. The car did not stop until the battery was severed and destroyed by the tree. All airbags went off and all glass shattered. There was no prior warning at all. Insurance adjuster deemed the car a complete total; not worth repair.

phantom braking

Autobraking works sometimes and it doesn't many a times consistently. Also, there is a bad smell that keeps coming regularly. Not sure where that is coming from.

I was driving on highway 395 in California on Jan 6th in the afternoon. It was a very clear day. I was driving north on the 2 lane portion of the road north of Adelanto and Kramer junction with cruise control on set to about 72. With no cars in sight in front of me the car hard braked with no cars in front of me. I disabled cruise control and later enabled it again. It happened again. I contacted Tesla and they determined there no hardware issue with the car. I am afraid to use cruise control now in the car.

Power Braking Assist Reduced error intermittently appears followed by problems braking. I asked Tesla Service Center to repair but they have not done so, nor have they explained what is wrong or how they will fix it.

When driving with Autopilot enabled, the brakes suddenly and sharply come on when I crest a hill. It's very disorienting and could be dangerous if the road is busy. The Autopilot should not be beta tested on consumers and other drivers like this.

Phantom braking

I was driving on the freeway, no one was near me (I had full control of the car, it wasn’t on autopilot) and the car’s brakes deadlocked while I was traveling high way speed and then made a sharp left turn which caused me to crash into the center divide and then hydroplane across the entire freeway uncontrollably

11/29/23: vehicle begins to flash warning alerts (e.g., traction control disabled, lane departure warning unavailable), then power steering stopped working, and brakes pulsed violently when used (almost like ABS was active). Software update was available shortly thereafter, assumed this would remedy the situation. 12/5/23: same problems recur (loss of power steering, odd braking behavior, vehicle alerts). Vehicle was towed to Tesla for service. Tesla was able to ID the alerts in the vehicle history but could not identify the root cause. Took the vehicle one extended test drives, but was unable to cause the problems to recur. Tesla is unable to identify any further actions to prevent recurrence.

I had the adaptive cruise control (Autopilot) engaged on I95 and had it set to 60 MPH. Twice between a minute, the Model Y lowered the cruise speed to either 40 MPH and 25 MPH while on the interstate. No obstacles were in front of me to affect the cruise control system.

The car stopped suddenly in the middle of the street. By the grace of G-d, this happened on a quiet street because we decided to take a detour and could have instead been on the freeway! We were with our 3 young children (all in carseats). We could not restart the car after it stopped, and there was no warning it was going to stop. We were not using autopilot.

My Model Y applied the brakes suddenly when it was in Adaptive Cruise Control while I was driving in the interstate at 75 mph. This caused the vehicle to decelerate very abruptly. There was no vehicle in front of me and no obvious debris in the road. This happened several times on a trip from California to Kansas and back. On one occasion , I had just pulled back into the right lane after passing several tractor trailer rigs going 70 mph. I had to tromp on the accelerator to avoid being rear-ended.

When i do a full trip level charge on the Tesla Y at home, I leave the house and start down a hill on the way to work. When I brake, the brakes chatter severely and do not slow the car. I pump the brakes and it happens again, pump the brakes and they start working. This has happened numerous times with a full trip charge. it does not happen with a 70% charge. I feel that this is very dangerous and could easily cause an accident if braking is required. I attempted to contact Tesla, there is no easy way to report this problem. So, this is now in your court. Thanks for looking into this. Thomas Cox

On a long trip on I-70 across Colorado and Kansas I experienced 4 instances of "phantom" braking while using cruise control. I had set the speed at 78 and the car aggressively braked itself as if there was an object in the road when there was no object or reason to brake. In each instance if a car had been following closely they likely would have crashed into me. It also causes panic to the driver when the car aggressively brakes. I am contacting Tesla service today to report this issue and hope that it will be addressed but there has not been any inspection at this point. There was no waring or issues with the car prior to this and it has never happened to me before. It only occurred when using cruise control as I do not have full self driving and was also not using lane assist.

I was driving about 65 mph on the highway with my Tesla 2021 Model “Y” in “Traffic-Aware Cruise Control” (not Auto Pilot) when, for no apparent reason, the car decelerated rapidly. This happened four times during a 1 hour trip from Boston to New Hampshire. No accidents occurred due to this incident but it was very concerning. This is not a new problem but it is occurring more often since the software was updated to include “Tesla Vision” instead of radar. I did not report this to Tesla because they are already aware of “Phantom Braking” issues with my model.

Car took over the control from the driver. Major crash could have happened NO Manufacturer No

I was driving on highway when the car in front of me brake hard. Tesla failed to detect imminent crash and did not provide warning AND emergency braking. The vehicle has been recently serviced in tesla service center. There were no other warning lamps / messages / symptoms of the problem prior to the failure.

We were driving 65 miles per hour using cruise control on a flat road with no cars in front or behind us for hundreds of yards on both sides of a two-way highway. Suddenly, and for no apparent reason, our Tesla applied the brakes hard as though it was trying to avoid hitting an obstacle on the road. Within a second our speed dropped to about 30mph at which point our Tesla released the brake and accelerated back up to 60 miles and hour before I shut off cruise control.

When i was traveling at speed around 70mph on highway. Tesla has applied emergency brakes and locked the steering, which made telsa rotate(spinned) 3 times on its own and stopped.luckily no vehicles were near on either ways. The vehicle was all the way stopped on opposite road and I was able to start after some seconds it stopped and started my driving. No vehicles were near or nothing approached to apply emergency brakes. When contacted telsa they told to schedule service appointment and no help was given.

The vehicle is subject to phantom braking. When I use the adaptive cruise control and am driving in the middle or left lane (i.e. when there is a clear lane to my right), the car will brake when there is no car beside me. Sometimes this occurs when I am passing a large truck on my right. Last weekend, I was driving 68mph on a highway during a bright sunny day. There were no cars on either side of me. The car braked for no reason. I had to step on the accelerator pedal to get back to highways speeds.

5YJYGDEE2MF161659 VIN 2021 Tesla Model Y AWD with basis cruise control This last weekend we drove from our home in Arroyo Grande CA to the Mammoth Lakes area. Enroute, we experienced a number of unneeded emergency braking events while on the highways at speed (65-72 mph). While this happened about a dozen time, 5-6 of them were significant slow downs and could have caused us to be rear ended. In none of these events was there any reason for the emergency braking. One happened when another car was approaching from the rear quickly to pass. These events led us to stop using the cruise control entirely for the last 2 hours of our trip home. I have not yet contacted Tesla about this which I will be doing right after I submit this report. Prior to this, the adaptive cruise control had functioned normally with very few unexpected emergency braking events in the last year or so. We did disable the feature of “automatic emergency breaking” but that had no effect at all. This is a serious issue that need to be addressed immediately.

My Tesla model Y has been braking for no apparent reason when using the adaptive cruise control. Sometimes there may be a car coming in the opposite direction, but most times there is no other cars within miles. Several times the braking has been extremely aggressive causing me to have to hit the accelerator hard to avoid somebody behind me running into me. This has happened many times on long,straight, flat roads in the middle of the Arizona desert.

Using normal cruise control in the highway, my car brakes randomly and suddenly. This phantom braking has happened over 10 times in the past two weeks! It's very dangerous.

While car was on cruise control. The car went off cruise control without intervention or warning and slowed down quite abruptly. This occurred about 4 times in a 4 hour period while going interstate speeds.

During daylight hours when the autopilot is engaged at normal highway speeds - the Tesla brakes engage and quickly slow down the car. It occurs on long straight roads with no traffic. This appears to be a "phantom braking" issue that is causing my car to suddenly brake for no reason. There are never any cars around when this occurs-- just long clear roads. This can be very dangerous. Last known occurrences were on Aug 13 at 8:30a and 10:29a of this year.

I had unexpected and sudden braking while using Tesla autopilot while in TAC mode or adaptive cruise control. Not Autopilot that steers and keeps you in the lane and not Full self driving, my car does not have FSD. I had 5 or 6 incidents while heading West on I 10 towards Yuma on I 8. There was no rhyme or obvious reason for the braking. No one in front of me or behind me. The amount of braking over the separate incidents was different each time. On the way back to Tucson it happened another 5 or 6 times.

My wife was driving on the highway on 8/16/22 at around 9:50pm on the garden state south and all of the sudden the car by itself started swerving lanes and my wife tried to stop the car but to no avail the brakes weren’t working as well. After some time the car finally got back into control and she was able to pull over. The car seemed to be hacked. No explanation how this happened. We didn’t pay for the whole self drive option so I’m not sure how this happened. Very furious. That could’ve been my wife’s life on the line if there were cars.

On July 16, 2022 I was traveling west on I-40, east of Tucumcari, NM. I was using Traffic Adaptive Cruise Control (TACC). There were no cars within a mile of me, front or back. The weather was clear, the road was flat. The car suddenly braked without warning. The objects stored in the back of the car flew forward, striking the two front seats. The wheels did not lock up. I immediately stabbed the accelerator. I saw the power line bar graph indicator go fully to the right. I contacted Tesla to request a service appointment. Tesla initially set an appointment but then cancelled it, explaining there was nothing wrong with the car. I was reminded that TACC (along with virtually all other Tesla driving aids) is "beta" and may therefore not function as intended or expected. It was the responsibility of the driver to assume the risks implied. Prior to this event, I had already decided not to use any technology more advanced than the speed control (TACC) as they behaved poorly. I thought that adaptive cruise control (Tesla: TACC) was a such a common technology that it wouldn't exhibit phantom braking. I was wrong.

The vehicle was on cruise control (NOT auto-pilot). Driving on Freeway approximately 82 mph when the vehicle slowed to 60 mph instantly numerous time within my 160 mile drive. There were no vehicles in front or beside me. There were no obstacles in the roadway or on the side of the road. Sunny day with no clouds. There were no warnings lamps or messages that would indicate the car was going to brake. My safety was put at risk if there was another driver behind me, I could have been rear-ended. It Could also had been very dangerous if there was adverse weather. Tesla was not able to recreate the problem and never found any problems with the vehicle. This was not the first time we took the vehicle in for phantom braking. Tesla blamed the driver. I was also told by a tesla representative the the vehicle can brake unexpectedly by sensing a shadow on the road from a cloud. Apparently there is no way to disable this feature. The vehicle has been deemed unsafe to drive by our senior management as this is not the first time this has occurred and Tesla has not remedied the problem.

My car is experiencing phantom braking nearly every time I use cruise control. It only happens when there are no cars or other obstacles in front of me. It happens at various speeds. The braking slows the car to a stop within seconds if I don’t immediately disengage the cruise control, even at highway speeds.

Steering wheel locked up and would not let driver navigate off-ramp from freeway. Car attempted to force driver to merge into a stopped lane. Auto-pilot features engaged in screen but they were not manually activated. Car attempted to cause an accident.

The vehicle randomly applies hard brakes. This makes cruise unusable and presents a safety issue for cars behind. I was almost hit from behind when my Tesla applied brakes on interstate going from 65 to 35MPH.

My vehicle brakes suddenly for no apparent reason. Happens usually on highway, usually when on self driving or auto navigation mode but also in cruise control rarely. It will go from 65 or 70 mph to 35-40 mph all of a sudden without warning without any vehicle close by. I notified Tesla multiple times. They said “it happens”. They asked me for exact date time location, I gave it, it still happens so I gave up and don’t use self driving much I cannot now tell you exact date time but if it happens next time I can keep records

During our trip from San Jose, CA to Park City, Utah, we experienced number time phantom break while the car was in autopilote mode. All of the incidences were on the highway and there were no traffic. The car came to a sudden slow down.

Unexpected and rapid slowing/braking of vehicle since new in November of 2021. Occurs when on cruise control usually at highway speed, more often on open highways and have possibly (though not always) related it to cresting a hill, distant reflective “water mirage” on our western roads, passing large trucks, two lane highway having large oncoming trucks +/- on curves. On one occasion while passing a semi truck with car on my tail came within a foot or so of being rear ended. Many other occasions where got to point I do not feel safe using the cruise control. We have driven it from Denver to Tucson in November and back in May, both times was worse on wide open western roads, sometimes tho not always with bright sun, pretty unpredictable and random but often to point of not using any of our autopilot or cruise control functions with confidence of safety. No warnings, lights or prehappening signs. Reported and examined in Tucson on arrival there in Nov/21. Told would “get better with time” and further hardware updates. Hasn’t happened with city driving (tho rarely use cruise control. Happened a couple times on highway drives in Arizona while on cruise and thought maybe better until recent trip to Denver when it was as severe as November. Again contacted Tesla and told would lengineers are aware of problem and would be fixed with hardware app fix at end of June. Recontact them in July if still an issue. When serviced in November for this issue tech said he could see in computer log what was happening. When I set up appointment this time basically said live (or die) with it until June and nothing they could do til “hardware fix”. In blanks below I entered last episodes date. It has been ongoing from 11/2021 to present at speeds from 50 to 80 mph. Started with first trip when less than 300 miles til present 5436 miles on it. Could almost guarantee it would happen on highway trip with cruise control if you would like to risk your life on a test drive.

Car consistently slows down to 25 MPH in 60MPH zone on i4 with Auto-Pilot enabled.

The vehicle phantom breaks spontaneously upon an interstate drive for 1.5 hours on cruise control it will slam on the breaks between 3-5 times when there is no car or object near the vehicle. This has been reported to Tesla and they do nothing and pose no solution to the problem. It is dangerous and going to cause accidents.

The car had a phantom braking incident where I was on the freeway with the autopilot set and the car slammed the brakes on because it thought it saw a person in the freeway. This is what it showed on the screen. The car decreased the speed from 70 mph to 40mph. There was no notification of this decrease. This has happened before in the car, but not as drastically and it doesn’t happen very often.

I have been experiencing that my Tesla suddenly automatically slammed on the brakes while it’s on self driving mode on highway specifically I-66 and while returning from my work from Nebraska Avenue complex to Ashburn VA. This automatically phantom braking is very dangerous.

The brakes engage during lane assist mode as if to avoid something in the road although there is nothing there. This happens many times on a road trip from Phoenix to Los Angeles on I 10. It also happened multiple times on the freeway in town in Phoenix. It is very jarring

The car suddenly stops as if the traffic ahead is stopped. I noticed it happens when the auto pilot is on. I gave up using the autopilot because I have experienced the sudden break and I have missed having an accident. It kind of feel like the sensors from the sides get the idea that if the side lane is going slow the car has to break suddenly.

My Model Y Tesla, while driving on the freeway using full self driving, would abruptly slow down from 70mph to 40 mph in matter of seconds without warning and luckily there was nobody around me. I did a bug report on it many times but Tesla discounted that. Also my front windshield wipers would come on for no reason even on a sunny day. Sometime on a raining day when going into a tunnel the windshield wipers would stop and would not come back on when I get out of the tunnel and that is really scarily as I was unable to see during heavy rain. I had to manually turn it on and that took a few seconds and in the meantime I could not see anything due to heavy rain. I brought this to Tesla and they told me that the windshield wiper control and the headlight use the same sensor and there is nothing I can do except to place the windshield wiper on manual mode. The rain detection wipers are on many different model cars without issues. I am not sure why Tesla could not add an additional sensor just for the windshield wipers.

I am reading about the Tesla braking for no reason & wanted to report my own experiences with this. I have not reported this before to anyone at Tesla, just told my husband. Numerous times (at least 5) over the past year I have owned my Y it has suddenly braked for no reason. It either always or almost always happened when I was going freeway speeds on a turn & there was a vehicle in the lane next to me that I think my Tesla thought I was going to hit. But I wasn't. It was a sudden brake that if I had not been in full control of the car with my feet ready to move so I had to hit the accelerator pedal quickly there could have been a big problem if there was a car behind me. This issue made me stop using the auto pilot on the highway it happened the most on - Hwy 80 between Sacramento & Truckee CA. But it has happened on other freeways too. It makes me very hesitant to use the autopilot unless I am on a straight freeway.

Traveling at highway speeds (70mph) while adaptive cruise control was active, the car applied the brakes suddenly with no apparent reason. No obstructions were present and no traffic was in the area.

While driving using cruise control or auto drive the car randomly brakes while at highway speeds. There are often no cars or objects in front of the car. I have almost been rear ended, because the car hit the brakes to almost stop. This happens every time the vehicle is placed in regular cruise control or auto drive.

Phantom braking on highway when using ACC and FSD. When going 80 mph car will suddenly brake for no apparent reason. This happened over 12 times in one day on a recent trip. I sent video clips to Tesla for every event. This is the second report of this defect. I have ever had and ACC act this way. I am afraid I will get rear ended.

On Sept 2 or 3, 2021, I was using cruise control on long straight highway, with no other vehicles in sight, sunny clear weather, traveling at 65-70 mph. Suddenly brakes slammed on very hard. A short time later, same conditions, brakes slammed very hard 4-5 times in a row, rapidly. It was terrifying. I stopped driving for the day and I have never dared to use cruise control again. When I returned home I took the car to the dealer and told them time and location of incident. I assumed there was something wrong that would be corrected, like a Camera not pointing correctly. The Tesla employee checked the computer record of the incident, told me there was nothing wrong and changed the subject. This was an extremely scary thing for me, severe enough that I got a sore neck, and I have no doubt if another vehicle was following I could have been rear ended. I actually was relieved to read about other Tesla owners experiencing this, and thought there would quickly be a solution. I am disappointed there has not been. I have been driving for over 50 years, have never had an accident while driving….I am very cautious! I want to emphasize again, this was not a minor incident. It was very very frightening, and very dangerous.

On multiple occasions, I have experienced the "phantom breaking" problem when using either adaptive cruise control or the limited self driving feature on my Tesla. I've experienced the problem when driving in traffic (me in another lane, passing a larger vehicle) when the breaking system will activate and all kinds of warning sounds given by the vehicle. I've also experienced the problem when driving alone on the highway (no traffic in either direction), usually in daylight conditions, when the breaking system activates and alarms go off. Additionally, I've experienced the problem when cruise control is activated and a vehicle turns in front of me (either in the same direction or sometimes when turning on a cross street), it's just strange for this to happen when the vehicle is about 1/4th of a mile (or more) in front of me and the turning action of the other vehicle will be complete without causing any concern for my vehicle. This has happened 30-50 times since I purchased the vehicle in late September 2021, so I don't have specific dates for each of these occurrences but it happens so frequently that I pretty much don't use the cruise control or self driving function anymore.

1. Pulling the car into a parking spot at a low speed (tight parking space for which you had to turn the car at a 90 degree angle, so had to be slow). 2. Applied brakes BUT the brakes didn't work. 3. Car went through very thick hedges and over a ledge (parking collision and emergency brakes didn't work). Follow up: Filed a data request with Tesla and they denied the request.

Repeated random automatic braking while using cruise control at highway speeds. Near miss of rear end collision. Tesla service representative just said to live with it and be careful.

While in cruise control, our 2021 Tesla Model Y (WE DO NOT HAVE AUTO PILOT!) applied the brakes HARD dropping between 10-40 mph with no warning. Cruise control stays active. There were no cars anywhere near us, either in front or in the rear. Over thirty (30) Tesla bug reports were recorded on April 25 and April 26, 2022. While we were not SERIOUSLY hurt, had a vehicle actually been behind us, we would have ended up with a vehicle in our back seat and certainly serious injuries. This same thing happened six months ago on our last road trip. Tesla has blown us off saying that this simply cannot occur. Their response is that the computer cannot slow the car without seeing something. Therefore it must have seen something. This is circular reasoning and is meant to blow off the consumer. This is a serious safety issue. The braking on occasion has been violent. This is similar to the reports in other models. Tesla has twice now, within six months, addressed this issue simply by saying "it cannot occur." Seriously?!

My 2021 Tesla Model Y, when using adaptive cruise control engages in phantom braking on a perfect clear road with no obstacles. On a recent road trip the vehicle braked suddenly at least 10 times while driving at highway speeds on both divided and single lane roads. This is cleariy unsafe especially if there is a car following. Tesla is aware of this problem and has done nothing to resolve it.

We were driving roughly 80 mph on an open highway. Clear skies. No cruise control/autopilot engaged. Vehicle slammed on the brakes. Threw both occupants rapidly forward in our seats. Lucky no cars behind us.

On 3/7/22- 3/15/22 I and my wife took our Tesla Model Y 2021 for an extensive trip from San Diego, CA to Sedona, AZ. Our Tesla does not equipped with Autopilot. On 3/7 while on I-8 E Arizona, our Tesla was on cruise control at HWY speed, it suddendly braked from 75 miles/hr to 60 miles/hr and slowly going back up without any appearance reasons! There was No cars near and around. Afterward, it happened several more times so we stopped using cruise control on the second day of our trips until return home due to safety concerns of getting hit from behind. I took the Tesla to Tesla service for a check of the issue about a week after return San Diego, and the Tesla technician took the car for a test drive and found nothing wrong!

I was stopping at the parking lot of my church St. Thomas Syro-Malabar Catholic Forane Church (508 Elizabeth Ave, Somerset, NJ 08873) to drop my daughter. I applied the break but the vehicle kept moving and hit the gas line of the church. The gasline broke and car front got damaged. There was no auto break and warning of the obstacle.

I have experienced the now well-documented "phantom braking" problems with my 2021 Tesla model Y. This happens on long trips when I use "Traffic-Aware Cruise Control." The problem seems to occur most often at the crest of a hill, especially if there is a guard rail.

Since buying the car 6/30/21 the automatic emergency braking has activated >300 times not once was it appropriate. We have had the car back to Tesla Service twice to repair the problem with out any improvement. It is only by luck that we have not had an accident. This is not an effective safety feature and it is increasing the likelihood of an accident. If Tesla cannot fix this it should be forced to deactivating the system

For the last few software updates and for a few months the vehicle will phantom brake and apply aggressive stopping in traffic for no reason when using cruise control, autopilot, or full self driving. Instances have occurred which has nearly caused us to be rear-ended by other vehicles. Additionally the car will turn aggressive when using passing lanes. We have experienced instances where the car will turn into a short right turn lane at highway speeds unexpectedly and then require immediate intervention or the brakes will be applied very hard. These situations are repeatable and occur frequently for no reason.

Vehicle brakes randomly at highway speeds while utilizing ADAS. Brakes hard and fast without warning.

The cruise control of Tesla is majorly defective after taking out the Ladar component as it is entirely dependent on cameras. Sudden or phantom braking has been so bad that sometimes I avoid using it. My most recent episode happened last weekend as I was driving at a two way country highway at 50mph to get to the interstate. I was headed south between 9 to 10am. The sun was on my left (east) and there was a truck approaching on the opposite lane. When the truck passed (I guess it cast a huge shadow as it blocked the sun on my left) the car slammed on the brakes. There was no warning. Luckily there were no cars behind immediately behind me, otherwise we would have been rear ended in a possibly fatal accident.

While using the ADAS the Tesla had several incidents of phantom braking. We would be going 80 and it would slam the brakes on and take us to 50. It did it several times on a drive from Dixon,CA to Flagstaff, AZ. There were no cars near or anything remotely concerning on the road at the time the incidents took place. We called Tesla and reported and they could find no codes or system issues.

We have noticed an increase in phantom Braking while using cruise control and/or auto pilot. Prior to November it would happen randomly and only on single lane highways. Now it happens every time we try to use cruise control. It is very dangerous as we may be rear ended it stops so fast with nothing in front of us. We have reached out to Tesla more than one time and they just suggest we disengage use if cruise control if we experience this random phantom braking. We have reported this is not rare or random it’s constant and every time we attempt to use this product we paid $10,000.00 for. We are not safe with this braking and Tesla basically says they are working on it.

While driving from Tucson to Denver the vehicle suddenly decelerated and/or braked no less than hundreds of times with varying rates--sometimes just a couple miles per hour and other times more than 30 miles per hour. These events were generally on a divided interstate highway with clear visibility, flat, straight roads without precipitation and oftentimes without another vehicle within 1/2 mile or more. These events even happened 3 times within 3-4 minutes while I was speaking to Tesla roadside service trying to disable all sensors/interventions. More than once there was a vehicle behind me at highway speeds that thought I was "brake-checking" them and would anger them and cause them to honk and give me a few finger symbols (road rage)... there was no reason for the car to suddenly brake; no cars merging or in front of me other than light vehicle traffic in the opposite direction of the DIVIDED interstate. I asked several times if there is a way to turn off all the "assistance" (unsafe interference) and just have it function as a normal cruise control without "traffic aware" and other automatic braking features--but the answer was no. I am not exaggerating when I say this happened hundreds of time during my trips. I always turned off the speed control when the roads were curving because I knew that it would suddenly brake during a mountain pass curve and upset the vehicle--make it difficult to control, and potentially cause an accident at high speed for NO reason. My risk tolerance is fairly high, I have been driving cars with "Eyesight" and radar speed control and advanced safety features for over 10 years and have never felt less trusting or less safe than I do now in my Tesla Model Y. I think Tesla should disable the "safety" feature until they can resolve the issue--I believe it will cause accidents even when someone is fully aware of its sudden, random braking issues. I have many video clips/pics of when the events occurre as Tesla asked me to record.

While driving 50-55 mph down a two lane highway, with adaptive cruise control in place, the vehicle suddenly slowed and signaled a front collision by beeping. It was terrifying as there was nothing in front of us. It was a clear day and we were lucky that there was no car behind us, as it could have easily caused an accident. We are now not wanting to use our cruise control or the autopilot that we purchased for this vehicle, until more is understood about the cause.

Car will suddenly brake hard when a pickup truck or semi truck is in the oncoming lane at highway speeds when adaptive cruise is engaged. This happens nearly every time a larger vehicle is in the oncoming lane, mostly only on two lane highways. Will also [XXX] occasionally brake for apparently no reason with adaptive cruise on. Tesla service knows of this problem and claims there is no fix. The hard braking happens every drive multiple times and nearly causes us to get rear ended by following cars. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

Phantom breaking occurring. Started Immediately after taking delivery of the Tesla. Usually occurs with auto steer activated. Has become progressively worse and now occurs while only using cruise control. I have had close calls on dozens of occasions, mainly with people almost rear ending me due to the sudden severe breaking. Occurs with no other vehicles on the road. Is worse when on 2 lane roads with or without approaching vehicles, on shaded roads and occasionally when raining. Has been occurring Since delivery on 5/28/21.

I was on a road trip and no less than 20 times over 10 hours, my car when standard cruise control was set, the car applied the brakes HARD for me without any warning. It went from scary to nearly resulting in a rear-end collision. The cause ranged from absolutely no reason except for maybe a slight dip in the highway(? weird) to oncoming traffic - standard, nothing close to an emergency situation. I had ALL auto features disabled and was just using the set speed feature. I've submitted a service request but the next appointment is in two weeks and in the meantime, I'm frankly scared to drive the car. It happened at 70 miles per hour and immediately dropped me down to 40 on the highway and I just about had to take a break from driving I was so shaken. It also happens on local backroads when I have the feature set to just 35 miles per hour.

Vehicle engaged full automatic braking inappropriately while driving around 55 miles per hour on a two-lane Oregon highway. No traffic in front of me or any debris in road.

Frequent phantom braking events occur without warning in cruise control and range from light braking to very hard braking. This especially occurs on two lane roads and occasionally on four lane roads and rarely on freeways, but it does occur. For example, we recorded approximately 14 phantom braking events within 20 minutes on US 191 North in Utah (2/12/22), and 28 phantom braking events on US 6 in Utah (2:46 pm to 4:37 pm on 2/17/22). The "hard" braking occurs without warning and rapidly reduces speed by about 20 mph, which is extremely dangerous especially with traffic from behind when traveling the posted speed limit of 65 mph. The majority of observed phantom braking events will reduce speed from 5 to 20 mph. Phantom braking has occurred the entire time we have owned the vehicle (8/21)

44E east of Joplin car braked hard while on autopilot. Pressing the accelerator would override but as soon as you let up it would hard brake again even though the car was below the cruise control speed

While adaptive cruise control is enabled, the car will hard brake at random. The screen doesn't indicate why the car is randomly braking, not are there any other indicators as why or when this will happen. This occurs most often while going around corners, up hills, or when traffic is oncoming in the other lane. This happens on standard roads and highways - although highways are a little better as long as the opposite bound lane is separated by a wide median. Contacted Tesla support December 16, 2021 in which their reply was that "the car is learning... apply constant pressure to pedal in order to override braking system". I did try that for a couple of months, and instead of hard braking, it is a little gentler, but then I run the risk of going over the speed limit as constant pressure has to be applied ontop of whatever the cruise control is set to. Not too mention this defeats the purpose of having cruise control.

While I’m adaptive cruise control or Autopilot the vehicle has phantom braking which occurs. Vehicle will slam on the brakes for no apparent reason.

While using the adaptive cruise control on the highway, the car abruptly slowed down from approximately 70 mph to less than 55 within a few seconds before I was able to push the gas petal and reaccelerate. This has happened 3 other times in the last several weeks and I am now afraid to use the cruise control. Whereas no accident occurred, if it happened when another car was following me closely, it could have easily resulted in a crash. Each time this has happened, there were no other cars nearby so I don’t know what the car ‘saw’ and was reacting to. The date entered below for the incident is the most recent occurrence.

When car was in "traffic aware cruise control" on open highway it has multiple times unexpectedly braked hard when there were no vehicles or objects in front of it. Once there was a car behind me so I had to accelerate hard to avoid being rear ended. Once it may have been reacting to an oncoming truck in the opposite lane.

When using autosteer or adaptive cruise on I5, our car performed a phantom brake that cause the truck behind us to nearly flip over in order to miss hitting us. We were not in the lane by the divider, there were wide open lanes in front of us to the left and right by half a football field and no overpasses at the time. We slowed from 69 to about 39 before I could correct the braking. This happens so often we do not feel safe using the cruise control at all.

The car randomly brakes hard when the cruise control is on. It’s intolerable on roads with a lot of tree shadows or even clouds.

Phantom braking has occurred multiple times randomly when autopilot and cruise control are activated.

While using adaptive cruise control on I-25 making round trips between Albuquerque and Ft Collins, I have experienced numerous (dozens) phantom braking events. They are so frequent that I have stopped using adaptive cruise control. Almost all of these events occur when there is no traffic and no discernible reason for braking. In many cases, my first response is to look in the rearview mirror since I'm worried that if someone is behind me it would cause an accident since the stop is very unexpected. To date, there has not been a close call. The stopping varies between slight hesitations causing 1-2 MPH decrease to dramatic decreases of over 20 MPH. I have made numerous 'bug reports' using my voice in the car immediately after many of the events. I also scheduled a service call but was told that they examined the software and could find no problem. There is no warning of an impending braking event.

Car slams on brakes at inappropriate times. Ex: 1. When a car makes a left turn across my travel lane several blocks away. 2. When a vehicle moves into my travel lane, going the same direction, several blocks in front of me. 3. For no reason I can discern. Cars behind me often honk. Could easily rear end me. Thankfully hasn't happened. You are welcome to inspect it. Don't think service center has tried to replicate the braking. No accident so not reports. Just very scary, thankfully. No warning lamps, etc. Anticipating question about dates, happens randomly, but pretty frequently. At least weekly. Speed also variable. Sometimes 35, sometimes 70, and in-between

Multiple phantom braking incidents using cruise control on 2 lane roads when there is no hazard

Car braked for now reason when the entire roads in front was clear and there was a car behind me. It was a hard brake which scared me and my family. That was very very close to being in an accident. Need compensation from Tesla for going through such an incident after paying so much money for the car.

On a cross-country trip from Washington, DC to Oklahoma City on Feb 5th and 6th (Saturday and Sunday) I tried to use the "adaptive cruise control" for the first time. Terrifying. The car would be driving along at 80mph, and then it would suddenly slam on the brakes, seemingly without provocation... with a 30-35mph sudden deceleration (absolutely nobody/nothing in either of the lanes in front of me). This was not while using the "full self-driving" feature, as I did not pay the extra $10k for this functionality, only the adaptive cruise control. Another very disturbing thing was that when the adaptive cruise control was enabled, it would not allow me to turn off the windshield wipers... and every so often the wipers would just start frantically wiping despite only a small bit of rain hitting the windshield (again, disturbing, as it is very startling when it happens out of nowhere). Needless to say, after this happened 5 or 6 different times over these two days, I turned off adaptive cruise control and kept it off. Tried to contact Tesla service, but they kept dodging the issue so I stopped trying.

At 55 MPH on clear day, with visible lines the car automatically braked when an on coming truck passed nearby causing near rear end collision. I have two good videos of this if you wish to see actual conditions. Dealer acknowledged problem but said there was no fix and I should turn off automatic braking.

While driving with cruise control engaged my car has now on several occasion suddenly and without warning applied the brakes on its own when there was no reason for the brakes to have been applied. Sometimes it has done it when a truck is approaching in the opposite direction, but sometimes it does it for no reason at all. Recently it did it with such severity that it was clear to me that if a car had been behind me I would have been hit from behind. Also, it was startling to the point where I could have lost control of my vehicle.

The contact owns a 2021Tesla Model Y. The contact stated that while driving at approximately 72 mph on autopilot when the vehicle suddenly activated the braking system. The contact took the vehicle off of autopilot mode causing the vehicle to function correctly. The contact had not informed the dealer. The vehicle had not been diagnosed or repaired. The manufacturer was not made aware. The approximate failure mileage was 7,000.

Mileage: 7,000

Per previously reported cases, by Tesla Y suffers from “phantom braking” when I am using adaptive cruise control at highway speeds. In general it will decrease up to 20MPH very suddenly. This is always in response to a falsely detected hazard; it will sometimes do the same when passing a vehicle that has exited an off ramp and has break lights on but is no longer in my lane of traffic. in general i drive with maximum 5-6 car lengths in my adaptive cruise control and this should not be happening. This has been an intermittent but ongoing issue through 2021; have not experienced in 2022 but have not done a lot of high way driving. Scares the heck out of my passengers. Love the car but please fix the software or it will be my last Tesla.

In 16 months I have experience 2 episodes of dramatic emergency braking while traveling at highway speed in the carpool lane adjacent to a concrete barrier wall estimated 5 feet high on the left side of the vehicle. The car decelerated from 65 mph to roughly 30 mph in roughly 2 to 2.5 seconds. Had someone been following at an unsafe distance an accident would have occurred. Thankfully it did not. I never experienced this in my previous Tesla Model S. Overall I love the vehicle, but these 2 incidents were disconcerting.

Hello, my Tesla Model Y frequently brakes unexpectedly causing me concern in traffic I could be rear-ended. This happens when engaged in FSD Beta software version 10.9 currently and has happened in all previous versions of the software as well. I have held a commercial drivers licnese and want everyone on the road to be safe as possible. The car brakes hard reducing speed 15mph in a second. The car has also attempted to take off from a red light when the first car at an intersection treating it as a stop sign when when several lights are present indicating a solid red and the screen in car shows me solid red as well. I have had to intervene many times to prevent accidents.

with cruise control on, when large vehicles (in their respective lane), would approach in opposite direction, the car would brake. Sometimes lightly, once (tour bus approaching) at 60 mph, the brakes were slammed on, with the car behind us nearly rear ending us

Car rapidly brakes when in cruise control and auto pilot. Will also rapidly brake when a car passes by. It will always be random and sudden. Also, occasionally the screen will turn off and I will lose the screen completely and not know my speed.

Two phantom braking incidents on loop 202 Wednesday night

The adaptive cruise control and lane assist on the Tesla Y models are defective and pose significant risk to drivers, occupants and surrounding traffic. Phantom braking and sudden slowing are common place and many times unpredictable. Countless times when oncoming traffic in the other lane approaches, sudden braking and aggressive slowing will occur especially if this happens to be a logging truck or larger vehicle. Coming under any overpass or bridge will also produce phantom braking. This will happen countless times in a single trip rendering the adaptive cruise useless. I complained to Tesla and was called by the corporate office in Denver and told that this is a reality and it was my responsibility to "teach the neuro-net" that it's phantom braking was an error by accelerating aggressively during those episodes and producing "bug reports" to Tesla! I have had this Tesla 3 months now and have stopped using the cruise control and lane assist because of safety concerns. My attempts at "teaching" the computer the correct response has utterly failed. I have had 3 episodes that I know of that someone following closely behind me had to take evasive action which precipitated "road rage" type behavior on their part for no fault of my own. Tesla has made no effort to correct this defect and have even cancelled my repair appointments stating it was"not needed". Every Tesla owner I discussed this issue with has a similar experience. Eventually someone will get injured or killed due to this defect.

When the traffic aware of cruise control or auto pilot is engaged, particularly on two-lane roads with opposing traffic, phantom breaking occurs with about 90% of the approaching semi tractor trailers, and perhaps 25% of the approaching automobiles.

Phantom braking at all speeds both on city streets and on highways. On the highway 138 between Palmdale and Victorville California I was unable to use cruise control because the car would continually brake. I was the only car on the road at the time.

My Tesla Y suddenly decelerates while in cruise control at the same location on a highway. It occurs when I am passing an exit ramp, but not exiting. The car reads the exit ramp speed of 45 and suddenly decelerates from. 65 to 45. It never reads exit ramp speed when I am not using cruise control and am exiting.

Our Tesla started last month braking suddenly and hard when cruise control was enabled. This is happening at night when cars are passing us going in the opposite direction. At no point did the braking occur due to cars actually being in our lane or potential accident. These braking errors happen when normal driving conditions under or at the speed limit with clear visibility.

Phantom breaking while driving with cruise control.

On almost all my long highway trips (about 4 hours long), if I have traffic aware cruise control (TACC) enabled on my Tesla Model Y, I experience one or more episodes of phantom braking. The first time it occurred I had owned the car for only a few weeks and was not yet accustomed to its fast acceleration. I was driving at about 70mph on a clear day with no one in front of me when the car suddenly braked. My first impulse was to hit the brake to disengage TACC, but I realized that would slow down the car more, increasing the chance I might be rear-ended. So I hit the accelerator and rocketed back up to 80mph before settling back to normal speeds. I was fortunate to be on a straightaway with no one ahead of me. Since then I have experienced phantom braking with TACC enabled under similar circumstances, i.e., with no cars or trucks in front of me and in clear weather in daytime. With more experience, I have noticed that the problem happens more often when I am passing a truck on the highway, especially when doing so around a curve. In past years I have driven numerous rental cars with adaptive cruise control and have never experienced anything like the phantom braking of the Model Y. This is not normal behavior and I hope you can get Tesla to fix it.

I’ve had this vehicle since June 2021 and experienced times when it would automatically brake abruptly, as if I were about to hit the vehicle in front of me. The first couple of times, I thought it was something I had to calibrate within the digital dashboard, but realized that it wasn’t something that could be adjusted — it was just the vehicle’s way of using it’s sensors to prevent me from colliding with the vehicle in front of me. The problem is that I wasn’t ever in danger of hitting anything in front of me. There were even times when I was gradually braking, but the vehicle automatically took over and broke for me. The painful part of it is that when this happened, it was so sharp and abruptly braking that I could feel my head jerk forward. It wasn’t until recently that I learned that this is actually a very big problem experienced by many other Tesla Model Y owners — called “Phantom Braking”. I’ve also had many other issues with the vehicle’s operating system, and have had to bring the vehicle in for Tesla service 5-6 times within a period of 7 months of taking lease of the vehicle.

While using TACC ( traffic aware cruise control) the car would suddenly break and beep warning sounds. Happened randomly and at various speeds but seemed to correlate most with trucks in the left lane. Some colors seemed to be picked up more than others. Bridges and shadows also triggered it. It was my first long trip in the Tesla Y and so experienced these horrible, unpredictable episodes around 40 - 60 times during an 8 hour drive mostly on highways - many of them two way

While using adaptive cruise control driving at the I-25 speed limit in northern New Mexico on Feb. 5, 2022, when I went to pass a tractor-trailer rig on a left-turn stretch of freeway, the brakes suddenly slammed on hard (phantom braking), though there was no endangerment in the driving situation. This happened twice on this trip. In both instances, it was while legally passing a big rig on the interstate at the speed limit, with our car in the left lane and the truck in the right. We've taken this vehicle on long interstate road trips through the Mountain West before, and never encountered this problem before in similar circumstances. There must have been some software upgrade that made the car more dangerous and unreliable to drive while using cruise control on freeways with tight bends. Now I don't trust the vehicle and won't be using cruise control until this problem is remedied.

Slams on the brakes without warning. Almost caused semi to hit me from behind. This is very dangerous and must be fixed.

Car on cruise control slammed on brakes and did so every time I lifted got off accelerater until I disengaged and reengaged cruise control

Issue #1 When on autopilot, vehicle can suddenly brake on its own (phantom braking) without warning. This happens frequently on major highways and in some instances I have to respond quickly to prevent rear end accidents. Issue #2: Vehicle only alerts when another vehicle is suddenly stopping in front and does not automatically brake as required.

This is another incident of "phantom braking" that affected my wife and I- which occurred on Feb. 7th, 2022. We were returning from a trip to Michigan and headed back to Chicago-area at about 2 PM ET. The same exact scenario unfolded as the incident on Feb. 1st ( when we were driving TO Michigan. ) This time we were on I 94 headed WEST toward Chicago. There was a truck approx. 150-200 ahead of us and in the lane to our right. I was driving in Autopilot. All the cars on my highway were headed in the same direction all headed west to Chicago. So the phantom braking was not triggered by a truck in an opposite-headed lane. It was triggered by a truck headed in the same direction and to the lane to my right- the same exact scenario as what happened on Feb. 1st. Almost identical configuration. I was doing about 60- frankly paranoid that the car could stop throughout our whole trip home. Sure enough, when we approached the arrangement where a truck was ahead and to the right of our lane, the car suddenly braked. Luckily there was no vehicle tailgating us. So that's it. It happened again. All told, this is about 8th incident of phantom braking on the expressway.

Like many other Tesla owners, I’m having daily problems with phantom braking when using my adaptive cruise control.

On February 1st, 2022 I was driving with my wife from the Naperville, IL area to Holland, MI. We were on I 94 headed east, approximately 20 miles west of Michigan City Indiana headed east. I was driving around 65 miles per hour. We were on a 4 lane highway- all the cars on those 4 lanes were headed in the same direction. There was a truck in front of us ( headed in the same direction ) that was located to the right of us in the lane to our right and it was about 60 or 70 feet in front of us. All of a sudden the car, that had been operating on Autopilot, braked suddenly. We went from 65 to almost 0 in a split second and if my wife and I weren't wearing seat belts we would have been very seriously injured. My neck suffered a whiplash and I'm still in pain several days later.

Phantom braking hard braking on freeway with no cars or objects around

This car is exhibiting random “phantom braking” incidents when cruise control or auto pilot is engaged. In EVERY incident the road is clear ahead and in the adjacent lanes, with no other vehicle traffic. The car will appl full emergency braking for no reason, and with no warning

Tesla slams on brakes for no reason. Causes a safety hazard with cars behind me. Was almost hit when my model y applied the breaks for no reason.

On numerous occasions while using cruise control the the Model Y brakes would be suddenly applied in the following situations. While in the inside lane of a curve in the road when several approached from the other direction the brakes would be suddenly applied when the front of the Model Y was pointing at one of the middle vehicles in the line of approaching vehicles. This sudden braking does not happing when traveling down straight sections of roadway or when traveling in the outside lane of a curve.

Unexpectedly slamming on my brakes in response to imagined hazards, such as oncoming traffic on two-lane roads. This happens often and I have to shut off this feature to avoid a spin out on icy roads. Very hazardous. overly sensitive to trucks in the opposite lane. Car lurched from 50 mph to a near-stop in response to a large truck. Is this phantom braking?

I drive on the highway from Dallas to Austin to Houston every week. Every trip I have about 2-4 phantom braking incidents at full speed. It seems to occur at similar points every time. It is incredibly alarming and I have to slam on the accelerator to not cause an accident. This needs to be repaired.

Automatic Emergency Braking. Known also as "phantom braking." Tesla is aware of the problem. Regardless of whether or not I'm using the standard cruise control or the more advanced full self driving feature, the car routinely hits the brakes even when there is no obvious obstruction in front of it. If the car suddenly brakes on the highway with another car behind it, it risks a rear end collision. No other warnings appear. The car simply brakes for no reason. This automatic emergency braking system should be removed for standard cruise control. It's more of a hazard than a benefit.

Phantom braking on Autopilot, multiple times Car just brakes out of the blue and it’s not safe

Car randomly breaks while in autopilot mode. Very dangerous since someone can crash into me from behind. There is nothing on the road in the way and no emergency vehicles nearby and no stoplights or stop signs when this happens. The car does not always notify of blind spots when backing the car up.

While driving on the freeway at 70 mph with cruise control activated, the Tesla suddenly braked hard. There was no emergency or vehicle entering my lane. This occurs on a regular basis, more so when passing a semi or large vehicle. Vehicles behind me have to brake or swerve to avoid hitting me. I have notified Tesla Service about the issue and their response was they know about the issue. I was told to keep my hands on the steering wheel and pay attention....UNACCEPTABLE!

Phantom braking!! It's happening almost everytime I engage autopilot and it's unfortunate because this system would be amazing if it wasn't do this issue. Anytime I'm in a 2 way highway and I have a semi or a large vehicle coming my way on the opposite lane it decides to slow down from the speed limit around 75mph in Texas all the way down to 35mph, which makes for a dangerous condition and puts me at risk of getting rear ended. I have reached out to Tesla Service and they said they can't do nothing about it. I have videos of these incidents but it seems like I can't upload on these Forms. Please reach out to me so I can send you these videos of the phantom braking.

While on a 475 mile road trip, my vehicles emergency brake system was activated while using cruise control on more than one occasion with no visible hazard ahead of me. This caused my car to brake at speeds upward of 70 miles per hour on two lanes highways, leaving me to fear that any car behind me could easily rear end me and harm me or my children who were in the backseat. On another occasion during this same trip, the weather began to turn. Snow began to fall heavily leading to poor road conditions. My model y activated corrective steering twice at speeds of 10-20 miles/hr, both times attempting to swerve my car into the lane next to me occupied by a semi truck. These issues are unacceptable and need correcting as they pose a threat to passenger safety.

The full self-driving mode in my tesla does not react correctly to speed limit changes in small towns. I will be driving with the FSD at 65 MPH when I get to a small town and the speed limit changes to 45 and then down to 25 for residential area the cars speed does not decrease quickly enough to be at the correct speed limit by the time the car reachs the speed limit sign. Based on the speed limit laws I was taught was the car you are driving and are slowing down you must be at that limit when you reach the speed limit sign or else you can be ticketed for speeding. The Tesla FSD is not in compliance with that specific rule of the road.

Multiple times on highway car “phantom breaks” when there are no obstacles/cars in front of me. I noticed that the car seems to regularly do this at certain places the highway. For example, on one stretch I’ve had it happen multiple times going under a specific bridge when I’m in cruise control. The car seems to think the speed limit has reduced, leading me to believe the car is reading the overpass speed liMit, not the highway, and adjusting. On another highway, after a steep decline there is an incline. At the end of the decline, the car slams on the breaks as if it thinks the incline in the road is an obstacle.

When driving on a two lane road and approaching an oncoming 18 wheeler the cruise control consistently slams on the brakes and I am concerned about the well-being of my 5 and 4 year old in the back seat. It whips them forward. I am also concerned about cars following me and getting rear ended with the force it is applying this phantom braking. I called Tesla and they said this is expected behavior and it might be fixed in a future firmware but no guarantees. I think this is an unacceptable answer regarding the safety of my family.

My wife and I purchased our Tesla model Y back in February 2021. We picked it up back in May 2021. The selling point for us was how it drove in the winter since we live in central WI. When we test drove the car in a snow snow at the highland park dealer. The car handled great in the ice and snow due to the car having the winter driving option. My wife nearly got into an accident due to no longer having the option for winter driving. The regenerative braking option is great until you drive in winter conditions. Ice and snow will cause the vehicle to slip and slide whenever letting off the throttle. The safety concern is that if a line of vehicles is in front of you and one person slams on the brakes letting off the throttle is essentially the same thing as slamming on your brakes. Which you never do while in a snow storm. We essentially bought the vehicle with and for this option to to control the vehicle better based on weather conditions. Removing the the winter driving option was not only wrong but a law suit waiting to happen due to the safety issue it brings.

I was driving on Interstate 80 in NJ this morning. I was in the middle of three lanes. In the lane to the right of me were two tractor trailers. Adaptive cruise control was engaged. For no apparent reason my vehicle suddenly braked hard, startling me and making me wonder what I might have missed in my surroundings. There was no hazard...this was frightening and a major flaw in the system that I have seen referred to as "phantom braking." It has happened to me a couple of times before but never on such a crowded roadway...I could have been rear ended. This component of the vehicle has not been subjected to a service call...the car has 5,000 miles. There was no warning.

While driving on a two lane highway at 70mph with adaptive cruise control on, every time a semi would approach the car, the car would brake really hard with no notice. Not one car caused this issue. It was only large semis trucks or trailers.

The contact owns a 2021 Tesla Model Y. The contact stated while driving at various speeds, the vehicle would brake independently without warning. The contact stated no warning light was illuminated. The vehicle was not taken to a local dealer to be inspected. The manufacturer was not informed of the failure. The failure mileage was approximately 970.

Mileage: 970

Sudden, hard self breaking when in autopilot mode. Danger of collision at high speeds.

The contact owns a 2021 Tesla Model Y. The contact stated that while driving at 65 mph, the steering wheel seized and the brakes failed to engaged. The vehicle went into autocorrect on its own and was swerving then crashed into a semi truck. No medical attention was received on the scene but the contact later seeked medical attention. A police report was filed. The vehicle was towed to a Tesla approved collision repair center. The dealer was made aware of the failure and informed the contact that they will escalate the file over to headquarter to evaluate. The failure mileage was approximately 2,800.

Mileage: 2,800

This problem happens repeatedly. It has been reported by multiple Tesla owners but no action has been taken by Tesla. When driving with the cruise control engaged, the car will brake very aggressively. This happens most commonly when there is no other traffic on the road and no debris on the road. It seems the car believes there is something in front of the car for which it needs to stop, even though the road is clear. But if I press on the accelerator the car resumes normal cruise operation. If there is a car behind me I am worried that the car behind me will crash into me. The braking action is VERY aggressive.

I had turned into the Taco Bell address: 5217 Mudd Tavern Rd, Woodford, VA 22580 when the car surged and sped. I was able to avoid a person and the dog. But the car continued to accelerate. I tried to utilize the brake system but it did not engage and continued speeding into the next parking lot address 5217 Mudd Tavern Road, Woodford, VA 22580. The car did not stop for trees and so I had to stop the car by impact with a dumpster in the Best Western Plus parking lot. This happened on June 5th 2021. I have tried to get the video from the hotel but to no avail. The Senior Deputy is [XXX] Spotsylvania county. They have the scene photographs. His email is [XXX]. Phone [XXX] ext 3936. The case file number is [XXX]. Over the last 40 years of driving my records are excellent. I really would like to understand the reason for the crash. I am not getting any assistance in a rapid manner to determine the cause. Since I have driven multiple car type over the years I need to understand why this car caused this. Hoping nobody else has to go through this. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

I TALK TO SPECIALIST THEY SAID I HAVE COOLING SYSTEM FAILURE, AND GUY FROM TESLA FITZGERALD WHO REMOTELY CONNECTED TO MY CAR BEFORE MY APPOINTMENT WITH YOU , ALSO SAID I HAD COOLING SYSTEM FAILURE NOT RODENT PROBLEM... TESLA RODENT DAMAGE EXCUSE IS SCAM AND FRAUD NOT TO USE MY WARRANTY BUT PROFIT BY MAKING ME TO PAY DIRECTLY FOR DAMAGES THAT IT’S NOT MY FAULT AND THAT’S ILLEGAL AND UNFAIR

Mileage: 2,500

MY CAR WIRES GOT OVERHEATED BECAUSE OF FAILING COOLING SYSTEM , TESLA REFUSED TO PULL LOGS ON MY CAR, TALK TO TESLA REPS NAMED FITZGERALD WHO SAID I HAVE FAILING COOLING SYSTEM ... BUT THEY REFUSED TO FIX NEW CAR UNDER WARRANTY FORCING ME TO PAY EXTRA FOR DAMAGES... TESLA MANAGER MITCH AT AGORA CENTER FAILED TO PROVIDE ME WITH VIDEO PICS OF RODENT EATING WIRES, EVEN THOUGH I HAVE CAMERAS AROUND MY CAR 24/7 SHOWING NO RODENT EVER APPROACHED MY CAR, BUT TESLA MANAGER REFUSED TO FIX MY CAR ASAP USING WARRANTY FORCING ME TO DRIVE UNSAFE CAR TO ANOTHER TESLA SERVICE ON MONDAY IN VAN NUYS... AND PAY FOR DAMAGES OUT MY OWN POCKET...

Mileage: 2,500

TODAY, MAR. 22, 2021, IN MY BRAND NEW 2021 TESLA MODEL Y, WHICH I HAVE NOW OWNED FOR ONE MONTH, I WAS SITTING AT A RED LIGHT AT A FAIRLY LARGE INTERSECTION ON THE OUTSKIRTS OF ANNAPOLIS, MD. I HAD MY FOOT RESTING ON THE FLOOR AS THE CAR WAS STOPPED AND IN HOLD MODE. SUDDENLY, WITH THE LIGHT STILL RED AND ON ITS OWN, MY CAR ACCELERATED THROUGH THE RED LIGHT INTO THE INTERSECTION AT TOP SPEED. (I WAS THE FIRST CAR IN LINE AT THE RED LIGHT.) I SLAMMED MY FOOT ON THE BRAKE BUT NOTHING HAPPENED, IT KEPT GOING RIGHT THROUGH. A VAN CROSSING THROUGH THE INTERSECTION IN THE OTHER DIRECTION PROCEEDING THROUGH HIS GREEN LIGHT WAS NARROWLY, WITHIN AN INCH, MISSED BY MY CAR, WHICH KEPT GOING ALL THE WAY THROUGH UNTIL IT FINALLY STOPPED AT THE OTHER SIDE. CONDITIONS WERE DRY AND THE WEATHER WAS NICE. IT WAS APPROXIMATELY 1:00 IN THE AFTERNOON EST. I CONTINUED TO DRIVE UNTIL I CAME TO A SAFE PLACE TO PULL OVER, AND THEN CALLED TESLA SERVICE AND ROADSIDE ASSISTANCE, AND FOUND THEIR ATTITUDE TO BE VERY DEFENSIVE. I WAS TERRIFIED TO DRIVE IT SO I HAD THEM COME AND TOW IT TO THE SERVICE CENTER WHERE THEY SAY THEY WILL LOOK AT THE LOG. ABOUT A DAY OR TWO AGO, A SOFTWARE UPDATE WAS PUSHED TO MY CAR; THAT WAS THE SECOND SW UPDATE SINCE I BOUGHT THE CAR ONE MONTH AGO. THIS WAS ABSOLUTELY THE MOST TERRIFYING THING THAT HAS EVER HAPPENED IN MY 42 YEARS OF DRIVING. I COULD HAVE BEEN KILLED OR MY CAR COULD HAVE KILLED SOMEONE. THANK GOD NO PEDESTRIANS WERE CROSSING IN FRONT OF ME AT THE TIME, AND THAT I SOMEHOW MISSED THAT PASSING VAN. I I FELT THE NEED TO REPORT THIS INCIDENT TO THE AUTHORITIES -- I TOLD TESLA I WANT THEM TO TAKE BACK THE CAR AND GIVE ME A NEW ONE IN EXCHANGE. IT IS ONLY ONE MONTH OLD AND HAS JUST 801 MILES OF DRIVING ON IT THUS FAR. I WAS NOT USING AUTO PILOT, TO MY KNOWLEDGE, NOR WAS I USING CRUISE CONTROL. I DO NOT HAVE THE SELF-DRIVING PACKAGE.

Mileage: 795

WENT TO STOP ON BELLFLOWER AVE IN LONG BEACH AROUND 8 AM 2/11/21 TO TURN IN TO THE LONG BEACH VA AND HAD LOSS OF BRAKE PRESSURE. BASICALLY STOPPED FROM REGENERATIVE BRAKING. HAD TO PUSH BRAKE PEDAL TO THE FLOOR TO ENGAGE AT ALL. THANKFULLY DID NOT HAVE AN ACCIDENT. TESLA FOUND AN INTERNAL FAILURE OF A BRAKE CALIPER WITH A LEAK. THIS IS UNACCEPTABLE QUALITY CONTROL FOR A BRAND NEW CAR. THANKFULLY I WAS NOT ON THE FREEWAY WHEN THIS HAPPENED OR GOD FORBID, WITH MY KIDS IN THE CAR.

Mileage: 1,200

WHEN THE GAS PEDAL IS RELEASED AT SPEEDS GREATER THAN 15MPH, THE REGENERATIVE BREAKING SYSTEM IS ENGAGED TO SUCH A DEGREE THAT THE TIRES BREAK TRACTION WHEN DRIVING ON SLIPPERY SURFACE LIKE SNOW OR ICE. THE CAR THEN GOES OUT OF CONTROL AND SLIDES IN AN UNCONTROLLED MANNER. THE CAR HAS VARIOUS SETTING FOR BREAKING, BUT EVEN THE SETTING THAT OFFERS THE LEAST BREAKING (CALLED "ROLL"), RESULTS IN SIGNIFICANT BRAKING ACTION WHEN THE GAS PEDDLE IS RELEASED AT SPEEDS ABOVE 15MPH' ENOUGH FORCE THAT DRIVER AND PASSENGERS FALL FORWARD AGAINST SEAT BELTS. MY EXPERIENCE WITH MY 2-WEEK OLD CAR IS THAT THE CAR WENT OUT OF CONTROL, AND I SLID ACROSS THE ROAD INTO AN EMBANKMENT. I HAVE 30 YEARS OF INTENSE, REMOTE WINTER DRIVING EXPERIENCE, AND I HAVE HAD ZERO ACCIDENTS, UNTIL NOW IN A BRAND NEW TESLA. THE CAR SHOULD OFFER A SETTING WHERE NO MECHANICAL OR REGENERATIVE BREAKING IS APPLIED WHEN THE GAS PEDAL IS RELEASED. ALTERNATELY, THE ANTI-LOCK SYSTEM SHOULD BE ACTIVATED WHEN THE GAS PEDAL IS RELEASED SO THAT THE BREAKING SYSTEM CAN DISENGAGE IF WHEELS STOP ROTATING (IF A SLIDE/SKID IS DETECTED). IT'S A HUGE FLAW THAT NEEDS TO BE ADDRESSED IN THIS OTHERWISE IMPRESSIVE CAR. HERE'S THE GIST: ALL GOOD DRIVERS KNOW THAT IF YOU PRESS A CAR'S BRAKE WHILE ON SNOW OR ICE, (PARTICULARLY IN A TURN OR WHEN THERE ARE OTHER INERTIAL FORCES) THE CAR WILL GO OUT OF CONTROL. HOWEVER, THE TESLA MODEL Y GOES OUT OF CONTROL WHEN YOU LIFT YOUR FOOT OFF THE GAS ' NO BRAKE NEEDED. THIS IS A NOVEL BEHAVIOR AND THE CAR SHOULD EITHER NOT DO THIS, OR THERE SHOULD BE A SIGNIFICANT WARNING TO NEW DRIVERS.

Mileage: 640