Automatic Emergency Braking problems of the 2026 Tesla Model Y - part 1

45 problems related to automatic emergency braking have been reported for the 2026 Tesla Model Y. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2026 Tesla Model Y based on all problems reported for the 2026 Model Y.

1 Automatic Emergency Braking problem

Failure Date: 10/08/2026

On October 8, 2026, at approximately 3:52 pm, I was reversing my 2026 Tesla Model Y (VIN 7saygded6tf606672) in the parking lot of the Tesla store/service center in north hollywood, CA, while full self-driving (supervised) was engaged. The vehicle failed to detect a stationary iron pole in the parking space and continued reversing into it, resulting in a collision that scuffed the paint and left a small dent on the rear lower bumper trim. The fsd system gave no warning and did not brake before impact. I have dashcam footage confirming fsd was active at the time of the collision. When I reported the incident to Tesla service staff at the location, they stated the collision was the driver's fault and denied any responsibility of the fsd system. I am concerned that fsd's failure to detect a large stationary metal obstacle at low speed indicates a safety defect in the driver-assistance system.

2 Automatic Emergency Braking problem

Failure Date: 10/07/2026

On October 7, 2026, at approximately 1:18 pm pacific time in los angeles county, California, my Tesla Model Y collided with a stationary metal post/barrier while operating under full self-driving (supervised). Fsd was controlling the vehicle during a low-speed maneuver. The vehicle moved forward and struck the stationary obstacle. I did not intentionally press the accelerator, apply the brakes, or override the steering before impact. I applied the brakes only after the collision. This was not a collision caused by my manually steering or accelerating the vehicle into the obstacle. I have preserved the original Tesla-recorded accident video, which displays the blue "self-driving" indicator during the relevant maneuver. Tesla's official vehicle data also records: 13:17:50. 255 - active_fsd 13:18:17. 661 - significant acceleration anomaly, approximately -7. 29 m/s², consistent with a possible impact 13:18:18. 268 - driver_applying_brakes 13:18:18. 285 - fsd state unavailable the suspected impact event occurred approximately 0. 607 seconds before the recorded manual braking event. This supports my account that I braked in response to the collision, not before it. I am concerned that fsd failed to avoid a stationary obstacle while controlling the vehicle. I request that NHTSA investigate fsd obstacle detection, path planning, steering, propulsion and braking behavior, and whether adequate collision warnings were provided. I request preservation and examination of Tesla's complete fsd logs and an assessment of whether the automated system contributed to this collision. I dispute any assumption that this incident was caused solely by manual driver operation. I have the original video, Tesla csv data and damage photographs available as evidence.

3 Automatic Emergency Braking problem

Failure Date: 10/07/2026

On October 7, 2026, at approximately 1:00 pm, I was driving through a gated entrance. Full self-driving (supervised) was engaged when the vehicle made contact with the entrance gate arm/barrier, resulting in property damage. The apparent safety issue was that, while fsd (supervised) was controlling the vehicle’s movement, the system did not prevent the vehicle from contacting the barrier. Afterward, the vehicle did not display or save the collision as a detected safety event. No one was injured. The incident nevertheless created a safety risk because the vehicle contacted a fixed barrier while the driver-assistance system was engaged. The issue has not yet been inspected or confirmed by Tesla or an independent service center. The vehicle is available for inspection upon request. I request that Tesla preserve and review any available data from the relevant time period, including fsd engagement status, vehicle speed, steering, braking and acceleration inputs, camera data, diagnostic logs, event data, and software-version information.

4 Automatic Emergency Braking problem

Failure Date: 09/29/2026

The vehicle made contact with other vehicles twice within a short period while full self-driving (supervised) was engaged, and it did not respond to my attempts to intervene. On xxx, at approximately 1:30 pm, in the stanford oval parking area in [xxx], I was using Tesla full self-driving (supervised) in my brand-new 2026 Tesla Model Y when the vehicle began a reversing maneuver between two parked vehicles. During the maneuver, the on-screen visualization continued to show space between my vehicle and the surrounding vehicles. The vehicle then made physical contact with another vehicle. I received no proximity or collision alert, and the display continued to show clearance after contact occurred. After contact, the vehicle continued attempting to reverse, stalled, and behaved erratically. I attempted to brake and disengage the system, but the vehicle kept glitching and moving backward. I could feel resistance while trying to control the vehicle. Shortly afterward, at [xxx], the vehicle showed substantially similar behavior and again made contact with another vehicle. My vehicle sustained damage to the rear bumper and lights. The other vehicle had pre-existing damage, and its driver told me she did not want to pursue anything or have her vehicle repaired. The vehicle is brand new and I had no prior accidents. I will be assessing myself for injuries. I reported the incident to Tesla. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

5 Automatic Emergency Braking problem

Failure Date: 09/28/2026

Repeated unexpected braking / suspected aeb activation my 2026 Tesla Model Y has repeatedly experienced sudden unexpected braking at the same location near my home over the past several weeks. The incidents have occurred both while full self-driving (supervised) was engaged and, importantly, while I was manually driving with fsd disengaged. During some periods, this occurs almost every morning. It has also occurred during both daytime and nighttime driving. The location currently has construction activity, and the behavior is highly location-specific. In the most serious recent incident, the vehicle suddenly braked while another vehicle was following behind us, creating a near rear-end collision. Our approximately two-year-old child was in the rear seat, and repeated sudden braking events have frightened our child on multiple occasions. We now do not feel safe driving this vehicle with our child through this location, but the road is a necessary route for entering and leaving our neighborhood. We reported the issue to Tesla and provided multiple specific timestamps. Tesla performed remote diagnostics and stated that no vehicle hardware fault was detected. Tesla told us that it believes the behavior is related to the construction/road environment at this location and that it currently has no repair or solution for the issue. My concern is that an active safety/braking system can repeatedly initiate unexpected braking during normal manual driving because of a specific road environment. The absence of a hardware fault does not resolve the safety risk. I am requesting that NHTSA document and evaluate this recurring unexpected braking behavior, including whether similar incidents are occurring in other Tesla Model Y vehicles.

6 Automatic Emergency Braking problem

Failure Date: 08/29/2026

On 8/29/2026 my 2026 Model Y was on fsd (supervised) v14. 3. 8 (software 2026. 26. 6. 5). Daylight, clear weather, dry road. My eyes were on the road and I received no attention alerts. While in an open lane, fsd signaled and abruptly changed lanes into a closed express lane entrance blocked by lowered gate arms with reflectors and a flag. The lane change and impact happened too fast to react. There was no collision warning or alert and no braking. It hit the first arm without slowing. The arm shattered the windshield, sending glass into the cabin, then went over the hood. The car never registered the impact. With no alert or braking, it kept going at the same speed toward the remaining arms until I took over and steered away, with no visibility through the windshield. Sunglasses and a face covering are the only reason glass did not reach my eyes. I had minor skin irritation on one arm. The responding officer said he knew what happened on sight. He said Teslas on fsd crash through the arms at this exact location regularly when the express lanes are closed because they do not recognize them, and that he often writes these crash reports there. The collision repair technician said he has seen a large increase in Teslas crashing through barrier arms since July 2026 and believes a software update caused a regression in barrier arm recognition. I believe avoid tolls/hov was enabled at the time, though I am not 100% certain. It is enabled now, and fsd still routes my car into the express lanes on my commute, so the system does not appear to honor that setting. Not yet confirmed by a service center. Seen by police, an insurance adjuster and a repair shop. Vehicle available for inspection. I have asked Tesla to preserve all logs, telemetry and edr data. No dashcam footage, as the usb had failed.

7 Automatic Emergency Braking problem

Failure Date: 08/28/2026

I had brought my Tesla Model Y to a stop. Given that the car has an auto-park feature, I did not put the car in park. My daughter got out of the car and opened the rear passenger door. I moved towards the Tesla screen to open the rear trunk for her. As I moved, my foot accidentally hit the accelerator running the car over her foot and causing a possible fracture. She was in agonizing pain and I had to call emergency services. This situation can be easily avoided by Tesla by immobilizing the car (placing it in park) when the car has been brought to a stop or has been brought to a very low speed and any door is opened. Right now, immobilizing the car happens only if the driver door is opened when the car has been brought to a stop or the speed is very low.

8 Automatic Emergency Braking problem

Failure Date: 08/15/2026

On August 15, 2026, at approximately 5:00 pm, the vehicle was being driven with full self-driving (supervised) engaged during light rain. As the vehicle approached traffic ahead, it did not slow or brake as expected. The driver recognized that the vehicle was not slowing and attempted to intervene manually by pressing the brake pedal multiple times. The driver reports that despite these attempts, the vehicle did not slow or respond to the brake pedal as expected, and a collision occurred. There were no known warning lamps or warning messages indicating a braking-system problem prior to the incident. The vehicle has not yet been inspected to determine the cause of the reported braking behavior. The incident has been reported to the manufacturer, and a request has been made to preserve and review available vehicle data surrounding the collision, including braking inputs, vehicle speed, full self-driving status/actions, warnings, diagnostic information, and safety/event data. The vehicle is available for inspection. At this time, the cause of the failure to slow as expected is unknown.

9 Automatic Emergency Braking problem

Failure Date: 08/14/2026

While pulling into my driveway at 3–4 mph and only a few feet away from the garage door, I suffered a sudden medical emergency and became unconscious. As my body froze, my right foot accidentally floored the accelerator pedal. The vehicle did not override my foot input despite the immediate obstacle ahead. It accelerated through the garage door and the dining room wall, coming to a stop in the kitchen. As a result of this crash, I requiring a three-day hospitalization. I am filing this report because vehicle safety systems should have a setting or protocol to prevent low-speed pedal misapplications from completely overriding automatic emergency obstacle braking. These settings save lives and there are no reasons that Tesla doesn't implement it. I had problems uploading photos. Please contact me at [xxx] to provide photos. Thank you. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

10 Automatic Emergency Braking problem

Failure Date: 08/09/2026

Car is less than a year old and forward camera is reporting visibility problem. Safety features, forward collision and autonomous driving is severely degraded. Tesla will not repair under warranty which requires disassembly of the camera housing. Front camera housing has been redesigned by Tesla but they are not retrofitting this fix for existing Model Y and have not issues a safety recall. This camera housing defect presents a risk to my safely and the safety of others.

11 Automatic Emergency Braking problem

Failure Date: 08/09/2026

While returning the Tesla during a demo drive, the car suddenly braked extremely hard in the middle of the road for no reason. It was bright and sunny, and we were coming up to a green light. It caused me to slam my head back into the seat. There was seemingly no reason for the emergency braking, and if someone were behind me, it would have caused a collision.

12 Automatic Emergency Braking problem

Failure Date: 07/31/2026

On July 31, 2026, at approximately 12:55 pm, my 2026 Tesla Model Y experienced a severe safety defect while operating in full self-driving (supervised) mode. The vehicle completely failed to detect, slow down for, or stop at a clearly visible and unobstructed stop sign at an intersection. The vehicle attempted to proceed through the intersection without yielding. I was fully attentive with my hands on the wheel and had to instantly apply heavy manual braking and steering intervention to prevent a collision with an oncoming vehicle that had the right of way. This failure of the automated driving system to recognize fundamental traffic control devices constitutes an immediate and severe collision hazard.

13 Automatic Emergency Braking problem

Failure Date: 07/28/2026

On the day after taking delivery of my 2026 Tesla Model Y, fsd reversed into a visible stationary garage pillar while backing into my garage. The vehicle did not stop before impact and stopped only after contacting the pillar, resulting in more than $6,000 in vehicle damage. The following day, while fsd was attempting a left turn at an intersection, the vehicle nearly entered the opposing-traffic lane before making several hesitant steering corrections. I disengaged fsd and completed the turn manually to avoid a potential collision. Both incidents occurred within two days of delivery. Tesla has opened a service case, escalated the matter to its engineering team for review, and I have requested preservation of all available vehicle data. I am submitting this complaint because these incidents raise concerns about the safety of fsd behavior.

14 Automatic Emergency Braking problem

Failure Date: 07/28/2026

I was operating my Tesla using full self-driving (supervised) from my home to a coffee shop. The vehicle completed the entire drive under fsd without any manual intervention. After arriving at the destination, fsd automatically entered the parking lot, selected an available parking space, and initiated the parking maneuver on its own. I did not manually select the parking space or start the parking maneuver. During the automatic parking maneuver, the vehicle failed to detect a fixed square concrete bollard located within the parking space and continued moving until the front bumper made contact with the bollard, causing damage to the vehicle. No collision warning, parking collision warning, or automatic emergency braking occurred before impact. The vehicle remained under fsd control until the collision. The incident occurred in daylight with good visibility. The obstacle was a permanent concrete bollard, not a temporary object or a low parking curb. Dashcam footage of the incident has been preserved and has been provided to Tesla insurance. I believe Tesla should review the vehicle telemetry and fsd logs to determine why the system failed to recognize the fixed obstacle during the automated parking maneuver.

15 Automatic Emergency Braking problem

Failure Date: 07/20/2026

The vehicle's indirect tpms showed a "pressure sensor fault (may clear next drive)" without issuing any "low tire pressure" alert. On July 20, 2026, while driving, the rear right tire lost pressure and disintegrated over a 10-minute drive. Despite severe tire failure that triggered multiple safety system alerts (traction control, stability control, automatic emergency braking, and lane departure avoidance disabled), the vehicle software failed to issue a critical "do not drive" command or explicit "flat tire" warning. Furthermore, the official Tesla app automated response advised that "most alerts may resolve automatically on your next drive," encouraging continued driving. This total absence of critical emergency alerts and misleading system guidance created an extreme, life-threatening road hazard and resulted in severe tire and wheel destruction.

16 Automatic Emergency Braking problem

Failure Date: 07/18/2026

The contact owns a 2026 Tesla Model Y. The contact stated that while driving at an undisclosed speed with the full self driving mode activated, the vehicle struck the garage wall, damaging the rear passenger’s side door. No injuries were sustained. The contact stated that the dealer had previously provided mobile service to replace the camera and that a second dealer, Tesla white plains (250 tarrytown rd, white plains, NY 10607), had performed a hard reset on the vehicle due to phantom braking; however, the failure persisted. The dealer was made aware of the failure but canceled an upcoming appointment and informed the contact that there was no failure found. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 13,001.

17 Automatic Emergency Braking problem

Failure Date: 07/17/2026

7/17/26 about 8pm my Tesla Model Y backed into a wall under fsd (full self driving). The vehicle was placed into fsd to assist in backing the car from a narrow street into a garage space. Wall on one side and another SUV parked on the driver side. Driver was monitoring the vehicle maneuver forward and backward attempting to clear the wall so it can back into the space. The vehicle appeared to be close to the wall and I anticipated the vehicle to inch forward but instead the car went backwards into the wall and caused damage to my vehicle. The vehicle should have stopped and asked the driver to take over or alarms/chimes. The fsd system failed to recognize that the right rear would not clear the wall and still proceeded to reverse and cause damages.

18 Automatic Emergency Braking problem

Failure Date: 07/16/2026

This is what happened: while full self-driving (fsd) was engaged, the vehicle approached an intersection and appeared unable to correctly follow the roadway. Instead of following the intended road path, the vehicle continued forward, drove over the curb, and struck a road sign. The impact knocked the sign down, and the sign subsequently struck the vehicle, including the roof glass. The roof glass shattered and small pieces of glass entered the cabin, exposing both the driver and front passenger to a safety risk. Vehicle data obtained after the incident shows that the vehicle was in active_fsd leading up to the collision. Fsd changed from active to unavailable approximately 1. 5 seconds before the crash algorithm wake-up. Significant braking occurred only very close to the collision, and no automatic emergency braking intervention was recorded during the incident window. The data also shows multiple substantial steering movements shortly before the collision. Accelerator-pedal data does not establish driver acceleration as the cause of the collision. The available samples show an accelerator position of 2. 0% shortly before the collision and 0. 0% in the next recorded sample. The driver applied the brake shortly before impact. There were no prior warning lamps or messages indicating that fsd was about to become unavailable before the vehicle departed the roadway. The vehicle has been inspected/repaired following the collision, and vehicle data relating to the incident has been obtained and preserved. Police responded to the collision, and the incident was also reported to insurance. A police report was filed, and the case number is 2026-07160174. I have not yet received the formal cr-4 crash report. Following the collision, I experienced significant psychological distress and trauma-related stress symptoms as a result of the incident.

19 Automatic Emergency Braking problem

Failure Date: 06/29/2026

Yesterday evening, my wife and I had friends over to our house, and we were excited to show them our new Tesla. We offered to take them on a short drive around town using the full self-driving (supervised) feature. At approximately 8:00 pm, we entered the address of our local sam's club as the destination. As the vehicle approached sam's club, it entered the parking lot through the gas station entrance, which appeared to be the expected route. However, instead of proceeding to a parking space, the vehicle unexpectedly continued driving and attempted to make another loop toward the gas station entrance. At that moment, an SUV was exiting the gas station. The Tesla steered toward the SUV and then continued toward a brick wall where there was no roadway. It appeared the vehicle was attempting to drive into an area that was not a valid path. I immediately disengaged full self-driving, took manual control of the vehicle, and reversed to avoid what could have been a collision with both the SUV and the brick wall. The occupants of the other vehicles were understandably upset because the situation appeared unsafe. This was a very dangerous situation that placed my wife, our friends, and me at risk. Had I not intervened immediately, the incident could have resulted in a collision causing property damage or personal injury. I am reporting this event so your engineering team can investigate the behavior and improve the full self-driving software. I hope this information helps identify and correct this issue to improve the safety of the system for all Tesla owners and the public.

20 Automatic Emergency Braking problem

Failure Date: 06/07/2026

On June 7, 2026, while full self-driving (fsd) was engaged, my 2025 Tesla Model Y drove itself forward out of a parking spot and struck a stationary landscape rock directly in its path. The vehicle did not slow, brake, or steer to avoid the obstacle before impact. The rock was a fixed object roughly 20 inches tall, clearly visible in the vehicle's forward (windshield) camera from a complete standstill, before fsd began moving the car. It stayed visible as the car advanced and dropped into the camera's near-field blind zone just before contact. The vehicle struck it with no apparent detection or avoidance. This is a serious safety concern beyond the resulting property damage. An obstacle of this height is in the same range as a small child or a crouching person. An automated driving system that fails to detect and respond to a fixed, clearly visible object in its direct path presents a significant risk of injury. The dashcam footage (windshield camera) is available and shows the obstacle visible from a standstill. The vehicle's front bumper camera feed is not saved to dashcam, so only the manufacturer's internal logs can confirm whether the obstacle was detected and how it was classified. I reported this to the manufacturer's service team and requested a log review; they declined to confirm detection and directed me elsewhere. No warning lamps or alerts appeared before the impact. Footage and repair documentation available on request.

21 Automatic Emergency Braking problem

Failure Date: 05/31/2026

Incident report – 2026 Tesla Model Y date of incident:xxx time of incident: 12:30 am location: [xxx] I was operating my 2026 Tesla Model Y and was driving manually. Full self-driving (fsd), autosteer, and other self-driving functions were not engaged at the time of the incident. While traveling on highway 16 at approximately 60 mph, the vehicle approached the right-side white lane line. At that point, I experienced a sudden steering intervention that turned the vehicle sharply to the left. The steering input was unexpected and occurred while I was manually controlling the vehicle. Following the steering intervention, the vehicle crossed the centerline into the opposing lane of travel and continued off the roadway into the ditch on the opposite side of the road. The incident resulted in damage to the vehicle. Road conditions were dry. Weather conditions were safe. Lane markings were clear. I am requesting that Tesla preserve and review all vehicle telemetry, event logs, steering-assistance records, and any other relevant data associated with this incident. Specifically, I request an investigation into whether lane departure avoidance, emergency lane departure avoidance, or any other driver-assistance feature activated and contributed to the steering maneuver. I am also requesting a determination regarding responsibility for the resulting vehicle damage and whether Tesla will reimburse repair costs if a system malfunction or defect is identified. Supporting documentation, including photographs, dashcam footage (if available), repair estimates, and other evidence, can be provided upon request. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

22 Automatic Emergency Braking problem

Failure Date: 05/13/2026

While my vehicle was operating in full self-driving (fsd) mode, it encountered an accident upon attempting to park in my garage. The collision resulted in substantial damage to the driver’s side rear end and the garage wall. Notably, there was no manual intervention during the entire journey from my son’s school and the parking attempt. The fsd system failed to detect the proximity of the garage and did not initiate braking or provide any warning before impacting the wall. In this instance, the fsd system exhibited multiple failures. I have subsequently reported the incident to Tesla.

23 Automatic Emergency Braking problem

Failure Date: 04/23/2026

On xxx at approximately 8:30 pm, the vehicle was operating under full self-driving (supervised) mode when it failed to detect or react to a stationary pole, resulting in a front-end collision. 1 system failed: the full self-driving software, Tesla vision camera system, and automatic emergency braking (aeb) failed to detect the obstacle or apply brakes. The vehicle is available for inspection upon request. 2 safety risk: the autonomous driving software drove the vehicle directly into a fixed object without warning, creating a severe collision risk for occupants and nearby pedestrians. 3 confirmed by dealer: yes. The vehicle was taken to the Tesla service center in [xxx] on xxx, where technicians officially captured and logged the diagnostic vehicle data for this specific incident under my active service file. 4 inspected: the physical hardware and system logs have been initially inspected and captured by Tesla service technicians. 5 prior warnings: there were zero warning lamps, chime alerts, or visual indicators on the center console display prior to the impact. The system treated the obstacle as navigable space information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

24 Automatic Emergency Braking problem

Failure Date: 04/15/2026

While in self driving the car veered into a driveway and hit a house.

25 Automatic Emergency Braking problem

Failure Date: 04/11/2026

On April 11 2026, I was involved in a serious accident involving my 2026 Tesla Model Y. At the time of the incident, I was returning home from my daughter’s event in downtown and had just entered my residential driveway. As I approached the driveway, I applied the brakes and slowed the vehicle. While momentarily stationary or near-stationary, I spoke to my wife, who was seated in the front passenger seat, advising her to secure the food she was holding due to the uneven surface of the driveway. Upon removing my foot from the brake pedal, the vehicle suddenly and unexpectedly accelerated without any input . The vehicle proceeded forward and collided with my garage door. Notably, no collision warning alerts were issued, and no automatic emergency braking system engaged prior to or during the impact. Following the initial collision with garage door, the vehicle failed to stop and instead continued to accelerate into the garage, striking a refrigerator. The impact resulted in substantial damage to the refrigerator and caused extensive structural harm to the property, affecting the garage, adjacent living space, floors, and interior walls. The severity of the collision triggered deployment of the front airbags. At the time, my wife was seated in the front passenger seat, and my [xxx] daughter, along with her friend, was seated in the rear of the vehicle. Emergency services were called, I have forehead bruises and a burn on my hand from airbag deployment. My wife is advised physiotherapy for severe back pain and my daughter has since experienced ongoing emotional distress, nightmares. I am dealing with car and home claims issues for damages I am seeking a formal investigation into the cause of this incident, specifically addressing: 1)the unexpected and unintended acceleration of the vehicle 2)the failure of the vehicle to stop after the initial collision with the garage door 3)the absence of forward collision warnings and failure of automatic emergency braking . Information redacted pursuant to the freedom of info.

26 Automatic Emergency Braking problem

Failure Date: 03/12/2026

On [xxx] 1512pm. Drive on [xxx] with auto pilot driving. Seen on construction and hit some object driver side by front bumper , fender, side mirror,door and wheel. Couldn't avoid crash by control handle. There is none of airbag action. All deployed. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

27 Automatic Emergency Braking problem

Failure Date: 02/26/2026

Yesterday at about [xxx] I was driving using fsd. I was making a left turn on a green arrow turning from [xxx] onto [xxx] . My car hesitated, then accelerated and then abruptly braked nearly causing me to be rear ended by the SUV behind me who was angrily beeping at me. I had to rapidly accelerate to avoid being hit. The left turn signal was green before during and after my turn. I believe that the sun shining brightly on the traffic light made it difficult for my Tesla to accurately recognize that the turn signal was green. I felt this was very unsafe. [xxx] [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

28 Automatic Emergency Braking problem

Failure Date: 02/06/2026

I am submitting this complaint regarding a newly leased 2026 Tesla Model Y premium rwd, which I took delivery of on February 6, 2026 from Tesla watertown, MA. I am a returning Tesla customer and entered this lease after test driving the same model on January 24, which did not exhibit any issues. Immediately upon driving the vehicle off the lot (approximately 12 miles), I noticed a persistent rattling noise from the front suspension area. The noise occurs over normal road conditions and has been present since delivery, significantly affecting the quality and value of the vehicle. On February 9, Tesla watertown evaluated the vehicle and later replaced both front upper control arm (fuca) mounts. On February 10, before repairs were completed, multiple safety systems suddenly disabled while driving, including regenerative braking behavior, traction and stability control, lane safety features, and automatic emergency braking, creating a dangerous situation. I returned the vehicle immediately and was provided a loaner. I picked up the vehicle on February 13 and was told the suspension issue was resolved, but the noise remained. I then sought a second opinion at Tesla peabody, where a master technician conducted a ride-along and confirmed the condition. He verified that the latest fuca parts had been installed and the front structural “pencil braces” had been removed per Tesla guidance. I was informed the vehicle falls into a known noise category affecting 2026 rwd Model Y vehicles and that there is currently no repair or engineering solution available. This defect has existed since delivery and remains unresolved after multiple service visits and component replacements. I have contacted Tesla regional leadership and customer support multiple times without response.

29 Automatic Emergency Braking problem

Failure Date: 01/21/2026

Rear-end collision. My Tesla impacted the rear of another vehicle at approximately 15–18 mph. No forward collision warning observed. Owner-provided data shows aeb status as sna. Impact is such that the car is totaled.

30 Automatic Emergency Braking problem

Failure Date: 01/20/2026

On January 20, around 9:35 am, phoenix time, I had the car in self-driving mode for a left-hand turn at the intercession of camino real and river road in tucson, arizona. A real-time view shows that it’s a tricky and dangerous left-hand turn. For the past 3 weeks, the car navigated it well, waiting until it was perfectly safe to do so. Today, however, the car moved quickly and unexpectedly into the center of river road, narrowly escaping a head on collision with a west-bound car, and then paused, squeezed in between west and east-bound lanes when I tapped the brake and took the wheel. Everything happened so quickly. I made the left turn into the east-bound lane, but, looking back, I don’t know how an accident didn’t occur, as traffic was still moving in east-bound lanes rapidly. There must have been enough distance between two cars at just the right time, that nothing hit me.

31 Automatic Emergency Braking problem

Failure Date: 01/20/2026

The vehicle repeatedly [xxx] [xxx], and [xxx] displays critical safety alerts indicating failure of the parking brake and automatic vehicle hold systems. Specific error codes documented include: •di_a246: automatic vehicle hold disabled (use brake pedal when stopping) •epbl_a179: parking brake functions degraded (parking brake may not apply or release) •ui_a019: parking brake functions degraded information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

32 Automatic Emergency Braking problem

Failure Date: 12/17/2025

While driving on a residential street at night with full self-driving (supervised) engaged, the vehicle suddenly applied automatic emergency braking without any visible obstacle, vehicle, pedestrian, or hazard present. The braking was abrupt and unexpected and did not correspond to traffic, road conditions, or driver input. No collision occurred, but the sudden stop caused a whiplash effect to occupants, creating a risk of injury despite the absence of an external hazard. The driver immediately disengaged the system after the event. Tesla later reviewed vehicle data and confirmed that an automatic emergency braking event occurred while fsd (supervised) was active. Tesla identified the software version as fsd v14. 2. 1 and documented the incident as unexpected emergency braking, with the date, time, location, and environmental conditions recorded.

33 Automatic Emergency Braking problem

Failure Date: 12/10/2025

While full self-driving (supervised) was fully engaged (blue steering wheel icon active), the vehicle approached an uncontrolled intersection, selected the wrong path, hesitated severely (camera shaking violently), provided zero visual or audible warnings, and completely ignored driver's emergency brake input (pedal depressed >90% approximately 1. 5 seconds before impact). The vehicle continued forward by inertia and collided with a roadside curb, resulting in wheel damage. Attached dashcam video clearly shows: • fsd active throughout the event • no alerts or chimes • violent steering oscillation/hesitation • driver's foot slamming brake pedal with no deceleration • impact despite timely braking this incident matches the ongoing NHTSA investigation pe25-012 regarding fsd intersection hesitation and failure to respond to driver input.

34 Automatic Emergency Braking problem

Failure Date: 11/20/2025

When using cruise control (traffic aware cruise control and autosteer) the car acts dangerously and stops for no reason. I've been driving on open roads with no traffic in front of me on regular roads, the car will slam on the brakes and it causes the people behind me to need to slam on their brakes as well. I feel like I'm going to get into an accident constantly. . . I was on the freeway and no one around in front of me and the car slammed on the brakes to almost a stop on a 70 mph speed limit road. Today the same thing occurred in high traffic on a 55mph road, luckily the driver behind me wasn't to close and was able to stop in time . . . There is no option to use regular cruise control or disable enough features to prevent this from occurring. . . It's incredibly terrifying. If they can't do traffic aware cruise, there should be the option to do regular cruise. . . And it shouldn't require passing Tesla $8000 for full self driving to be able to drive your car at a speed without the that of being rear ended. This feels like extortion. . . I've submitted feature requests to Tesla, talked to their bot about fixing this and I've currently been on hold for almost an hour without any response. This dangerous tech is unacceptable!.

35 Automatic Emergency Braking problem

Failure Date: 10/01/2025

Yesterday on October 1st I was driving car recently last few days my car usually go more right side but I thought this may be due to keep in lane car feature or something so I didn’t bother much but yesterday when I was driving at around 11:13 am I didn’t know I reciived notifications in car about 1. Automatic vehicle hold disabled 2. Tracking control disabled 3. Stability control disabled 4. Break pedal regenerative breaking unavailable 5. Lane departure avoidance feature unavailable 6. Automatic emergency breaking unavailable and I see from y car pe drive vidio recording in 11:14 minute one my car hit curb and it damages my both side wheel and tire so badly damaged and broke like out of both pieces came off but didn’t flat my tire and when this happens I was trying it break but it didn’t break instead in lost all function so it was kind going fast and lost all control and with lot of work my car wind on side and then completely turn to other side this all happened in few seconds and was very scary I wasn’t far from Tesla service centre and I have wheel protection and tire protection plan so I took straight to Tesla service centre and I ask them about using my that plan and after some time they said based on damage and they check video they said this is collision and at that time I wasn’t aware what to do and this and that and I wasn’t fighting and I didn’t know about video or notifications all untill they show me and ask me to file insurence claim for collision and luckily I took picture of notification picture in car at that time and then I end up following insurence claim process in hour of something it took me and then went in car to take Tesla flash drive and my stuff I saw they put vehicle in service mode and all notifications were cleared and I even tell them luckily there wasn’t car near by or highways and no one on street and it avoided big incident but all this failure due to impact or this impact due to failure I want investigation because I suspect.


Other Forward Collision Avoidance related problems of the 2026 Tesla Model Y

Adaptive Cruise Control problems
62
Automatic Emergency Braking problems
45
Warnings problems
20

☘ Model Y Service Bulletins
☤ Model Y Defect Investigations