Automatic Emergency Braking Problems of Tesla Model 3 - part 1

Pantom braking happening frequently after latest software update. Fsd version 12. 6. 4 software version 2026. 8. 6 happening on single lane road.

See all problems of the 2018 Tesla Model 3 🔎.

I was involved in a collision while driving my 2019 Tesla Model 3. The incident occurred on April 2nd 2026 in [xxx] prior to the collision, the vehicle was operating normally the crash resulted in damage to the front driver-side of the vehicle, including a destroyed headlight and body panel damage. At the time of the incident, weather and traffic was light and normal. The vehicle was set and supposed to head straight when suddenly at the intersection it jerked right and headed straight into another vehicle. I attempted to take control but was unable to due to resistance on the wheel and how quickly the incident occurred. There was no warning or emergency braking which should've also been expected from my Tesla. I am submitting this report to document a potential safety concern and request review. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

See all problems of the 2019 Tesla Model 3 🔎.

The components involved are the automatic emergency braking (aeb) system and the airbag system. During the collision, the aeb system did not activate, and the airbags did not deploy. The vehicle is available for inspection upon request. I was driving on a main roadway with no stop signs or traffic controls in my direction when another driver entered from a side street with a stop sign and pulled directly in front of me. I was unable to avoid the collision, and my vehicle was struck the other vehicle. The failure of the aeb system to engage and the airbags not deploying increased the risk of injury to myself and could have posed a risk to others involved. The issue has not been reproduced, and it has not yet been confirmed by a dealer or independent service center. The vehicle has been inspected by police and insurance representatives. The other driver was determined to be at fault. I am in the process of addressing the incident with the manufacturer. There were no warning lights, messages, or prior symptoms indicating any issue with the braking or airbag systems before the collision.

See all problems of the 2021 Tesla Model 3 🔎.

On March 21, 2026, the vehicle’s automatic emergency braking (aeb) and traffic-aware cruise control (tacc), suffered a severe "phantom braking" failure. While driving, the vehicle engaged in a violent, full-force emergency brake application without any external hazard or driver input. This unprompted deceleration caused the seatbelt to exert extreme pressure and trauma on my abdomen. As I was [xxx] pregnant, this abrupt stop was medically treated as a high-force accident. The trauma caused pregnancy abnormalities, requiring a 20-hour hospital admission for observation and fetal monitoring. I contacted Tesla customer service multiple times. Initially, I was told a service check was necessary, but the service center stated they could not provide assistance for "automatic behavior" issues. A corporate representative (angel) admitted the vehicle should have been flagged for a formal medical claim and instructed me not to visit the service center. Despite this, I took the vehicle to the service center on April 15, 2026. Technicians confirmed they had no findings or solutions regarding the phantom braking event. No warning lamps, audible alerts, or system messages appeared prior to the failure. Upon requesting the vehicle data logs for the date of the incident, I noticed that the specific timeframe of the event was "missing" from the record. The manufacturer cited a VIN-matching error as the cause for the data gap. On April 20, 2026, Tesla corporate denied that a claim had ever been filed and stated they would not take responsibility for injuries related to pregnancy or a fetus, claiming these do not meet their internal threshold for medical injury. The vehicle remains available for inspection. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

See all problems of the 2024 Tesla Model 3 🔎.

An incident that occurred while full self-driving (fsd) was engaged. During the drive, the vehicle unexpectedly steered toward the curb while making a right turn. I was actively monitoring the vehicle and immediately took control of the steering, but the vehicle still made contact with the curb. After the incident, the vehicle developed steering misalignment, vibration while driving, and abnormal noise, which suggests possible suspension or wheel damage. Since fsd was engaged at the time, I would appreciate it if Tesla could review the vehicle logs and investigate whether there was any system malfunction or unexpected behavior from the fsd system.

See all problems of the 2023 Tesla Model 3 🔎.

2024 Tesla Model 3 driving on the turnpike heading south of NJ right between exit 5-6 when my vehicle suddenly and spontaneously spun out into the guardrail, while at the same time the automatic emergency brake was disabled. Weather conditions were slightly rainy, there was no signs of traction issues or alerts regarding any concerns. Luckily no other vehicles were hit. The vehicle has not been inspected by any other of the above questioned. No such warning signs, lamps, or symptoms prior to this failure. I do have the dash cam footage that shows the incident.

The rear camera malfunctions intermittently and causes other errors to happen, like automatic emergency braking unavailable or forward collision warning unavailable. When the camera error happens, it says the camera is unavailable. I took my car to the Tesla dealership three times. The first time, they did a continuity check and said the harness was degraded, and they replaced the harness and the rear camera. A week later, it happened again. The second time they reset the camera calibration and it worked. The day after, it happened again. The car is at the Tesla dealership for the third time (02/20/2026).

While driving at highway speed under normal operating conditions with the accelerator engaged and no braking input, the vehicle suddenly experienced a sustained 6-minute-12-second adas/edr degradation cascade. This included overheat_protect_fanonly activation, repeated aeb_can_state_unavailable toggling, fault 14. 0 brake-signal mismatch, impossible negative brake pressures, and 27+ abs/ebd/esp fault-lamp cycles. No warning lamps, messages, or alerts appeared prior to the cascade. The degradation resulted in loss of braking assist and stability control functions, causing two collision events (right-side t-bone impact followed by curb strike) despite no driver error or input. This failure mode matches the exact adas/edr degradation pattern under active NHTSA engineering analysis ea26002. Full technical details, timestamps, fault logs, sampling gaps, and edr data are provided in the attached narrative pdf and supporting csv files.

The vehicle's fsd system malfunctioned and initiated an unintended reverse toward a closing garage door. To prevent a total-loss event (the door crushing the glass roof and trunk), I was forced to perform an emergency manual takeover. Due to the vehicle's position caused by the malfunction, I had to maneuver through a confined space, resulting in the side-scrape. I am filing this as a malfunction claim because the damage was a direct consequence of the car's autonomous failure.

While driving my Tesla Model 3 with self-driving engaged in excellent conditions, the car suddenly braked to a full stop. There was no apparent reason to do so and the driver did nothing. The road ahead was free of traffic, and no obstacles, pedestrians or animals were visible. It was possible to resume driving by turning self-driving off. Tesla forums online show many instances of others reporting similar problems in various Tesla models over several years. A rear end collision will ultimately be the result of this flaw if it hasn’t yet occurred.

See all problems of the 2020 Tesla Model 3 🔎.

I was in process of completing a right hand turn, likely doing around 30 - 35 mph, when the vehicle suddenly and significantly applied the brakes, slowing the vehicle almost instantly down to around 12 mph, from what I had noticed. The road was entirely clear of any other vehicles, hazards, pedestrians or cyclists, with exception of a few parked cars along the curbs. There was absolutely no reason for this abrupt braking maneuver, and it is at least the second time it has occurred within the past 11 months, both on a right hand turn. Today's incident jerked my head and neck abruptly, leaving me with a headache. It has undermined my confidence in the vehicle.

The vehicle’s brakes did not work, automatic emergency brakes and collision warning both did not work. I pressed on the brake for about 5 seconds but the brakes did not work, resulting in a collision with the car in front. Everything is available for inspection if needed. Both my safety and the driver of the vehicle in front of me was at risk. The problem has not been confirmed yet. The vehicle is currently at a shop, waiting inspection. There were no warning lamps, messages, or symptoms.

Incident description (in my own words): this incident occurred in the parking lot of the [xxx] in bretton woods, new hampshire. It was evening after sunset. The parking lot was dark but illuminated by overhead parking lights. My Tesla Model 3 headlights and vehicle lights were fully on. I was reversing slowly out of a tight parking space, traveling approximately 2–3 miles per hour. I was intentionally moving cautiously. My attention at the time was focused on the front right corner of the vehicle, as clearance there was tight. While reversing, the rear of my vehicle struck a parked truck behind me. The truck was relatively high (its headlights were positioned high on the vehicle). Neither I nor my passenger heard any rear collision warning, cross-traffic warning, or parking alert prior to impact. The vehicle also did not apply automatic braking. The contact occurred at very low speed and resulted in only minor cosmetic damage (a small dimple/deformation), but I was surprised that no warning or braking intervention occurred. Based on prior experience driving this vehicle, the collision and parking warning systems are typically configured to warn early, and I had confidence that a warning or automatic braking would activate in this scenario. Following the incident, I conducted a simple test by placing cones in front of the vehicle to see whether forward collision warnings would activate. They did not. While I understand cones may not trigger frontal collision alerts, this further contributed to my concern about object detection reliability in low-speed scenarios. The vehicle’s cameras were clean and unobstructed. I regularly clean the camera lenses. I am filing this complaint because my confidence in the vehicle’s collision warning and automatic braking systems has been shaken. I recently submitted a similar complaint regarding a collision involving our Tesla model y, and these two incidents—on two different Tesla vehicles—raise concerns for me information redacted pursuant to the freedom of information act.

I drove into my neighbor’s driveway to drop her off. As I slowed down and applied the brakes to stop, the car failed to respond. It continued forward, running over the flower and plant pots at the edge of the driveway, crossing the backyard, and finally colliding with the trees and bushes at the rear of the property. All airbags deployed, and the vehicle was damaged beyond repair.

Vehicle self drove took quick into an off ramp and took flight on cattle guard into a pole. The vehicle never attempted to make a emergency stop and no air bags deployed.

See all problems of the 2025 Tesla Model 3 🔎.

While at a red light, my car was stopped with Tesla full self-driving (fsd) on. When the car in front of me nudged forward, my car, still in fsd , accelerated and drove into the car in front. Looking at the event report of my car, the automatic emergency break did engage but too late. This means the sensors in front failed to recognize the vehicle ahead.

See all problems of the 2022 Tesla Model 3 🔎.

On September 7, 2025 at ~7:53 pm, my 2025 Tesla Model 3 operating with full self-driving (fsd) engaged performed an aggressive, uncommanded turn while under computer control. The maneuver occurred so abruptly that I could not safely override steering before impact, and a crash resulted. The Tesla app trip view for trip 3 (7:34–7:53 pm) shows “vehicle on fsd” for 18 min 54 sec and records an “aggressive turning” event at 7:53 pm (2. 0 sec) immediately before the trip ended (screenshot attached). This reflects a steering/driver-assist control defect in fsd’s turning behavior and a failure of collision-mitigation to prevent the crash. I sustained bodily injuries and the vehicle incurred significant damage. I request that this incident be treated as a safety-critical malfunction warranting investigation and corrective action.

The car was parked in a campground for a night and several systems issues came up, including traction control disabled, steer assistant disabled, staibility control disabled, and the car was keeping accelerating even though I did not step on the accelerate pedal. The acceleration was out of control. This was happening in a remote area when we drove half way out of the campground to a city. We called the Tesla roadside help and they just told us they could not help because it was too late to find a toll provider and we were left in the middle of nowhere and no help. We searched google and found a few very similar issues on Tesla cars that had been reported. We don't know what happened but those issues just disappeared themselves in the next morning and we have not get the chance to send it a service center for further investigation. We are certain that this is very serious safety issue and the car was basically out of control.

Tesla m3 rwd 2022 - 79750k miles. Touchscreen keep restarting throughout the day , in the morning when I am backing out of the garage, while I am driving, while I parked. It is dangerous specially while I am backing out of garage, car will stop sometime, because whole system reboots. I have no visibility I have to wait till its finish restarting. Tesla's main computer handles everything in the car, a/c, turn signals, speedometer, backup cameras, forward collision warning and many more necessary function of the car. Tesla service center diagnose stats "the cause was identified as kernel panics detected in the system. The internal memory of the car computer is corrupt and will not allow enough data transfer and causing the computer to reboot to clear space" they suggested to replace the computer and its a out of warranty fix, since I drove 79k miles. This is a crucial of the car and it should not fail in 3 years, driving 79k in California is not unusual, Tesla service also blamed that we didn't extended our warranty after 50k. We couldn't find any correspondence from Tesla on service app or email regrading warranty extension. $3000 to replace a computer is a very high price.

Driving in the dark I almost had a front end collision and the car had zero reaction. The lights on the oncoming semi truck were bright so as usual I glance away from the lights and generally focus on right lane marker and suddenly I could see an oncoming car out of the corner of my eye cut across the front left corner of my car just barely missing within inches of clearance. Unfortunately I was shaken too much to remember and save the video. Not only does the vehicle software create solid phantom objects but anytime the cameras get blinded the safety system does not work and now you have allowed Tesla to drive unmanned. [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

During driving, Tesla car spontaneously stated multiple active safety features and regenerative braking were no longer available and stopped working during driving with multiple warnings appearing. Driver safety at risk during this as well as others safety due to the lack of functioning. The car was taken to Tesla service center and was explained that front lower lateral suspension links were damaged by "impact" although the car was never in an impact or accident preventing proper alignment and functioning of the car. The part has been since repaired and currently undergoing further investigation for warranty dispute.

Component/system involved: advanced driver assistance systems — fsd (supervised)/autosteer (lane keeping assistance) and adaptive cruise control. Possible failure to warn/stop (fcw/aeb). Vehicle and data are available for inspection upon request. I preserved dashcam files and requested Tesla to preserve engineering logs and edr. What happened & safety risk: on Aug 13, 2025 at ~9:30 am pdt on us-101 sb near east palo alto, CA, with fsd (supervised) engaged, the system appeared to misinterpret an exit ramp/gore area as a continuing lane at a highway fork and maintained ~60 mph (posted ~70). As soon as I saw the trajectory was unsafe, I braked and began manual steering takeover, but the vehicle contacted a roadside sign near the gore/shoulder before I could complete the maneuver. I then stopped safely. No other vehicles were struck. Airbags did not deploy. This posed a serious collision risk to me, my passenger, and nearby traffic. Reproduction/confirmation: not reproduced. I have not attempted to reproduce the event. Unknown whether the issue has been reproduced by Tesla or a service center yet. Inspection to date: police responded (report pending). My insurer has opened a claim. I opened a Tesla service request asking to preserve autopilot/fsd engineering logs for the incident window and to coordinate edr extraction; engineering review pending. Vehicle remains drivable. Warnings or symptoms before failure: no audible/visual forward-collision warning was perceived by me and I did not observe automatic emergency braking. No prior warning lamps/messages were noticed before the departure toward the gore. Unknown whether any internal/partial interventions were recorded in logs. . Read more...

I am not the owner of this Tesla. I am the owner of the car behind it that hit the Tesla because the Tesla went into emergency automatic braking and the sudden additional deceleration happened too quickly to react to it and contact occurred while I was still doing about 5-ish mph. The Tesla driver obviously wasn't braking effectively, and the car took over for him to avoid hitting the car in front of him. But there is no consideration for the car behind. I do not know how far back the Tesla stopped from the car in front of it, but all I needed was 2-3 feet. (when I get into these 60 to 0 deceleration, when I know "I'm good" I ease up on the braking to give the guy behind me as much space as possible for him to get stopped so I don't get hit. ) Tesla's emergency automatic braking caused this accident.

I believe my car should be included in the recall for trunk harness recall. My alert and issue is the rear camera being off due to rear trunk ruining the wiring harness that has affected many cars. This is already a recall but I believe my car missed being involved.

On August 7th, 2025 at around 8 am in the morning, my vehicles mobile phone car key was in-operable and I was unable to get in the car which led me to trouble shoot how to fix this issue with the car. Upon researching I was directed by Tesla to directly complete a soft reset of the vehicle holding down both buttons on the vehicle once I was inside, and pushing on the brake pedal. Upon completion, my vehicle booted up and I realized that all camera systems were down, my navigation systems were down, my safety features were down, my auto pilot, lane keeping assist and auto brake were down, sensors were down and I was no longer able to pre heat my battery to charge my vehicle due to issues with the navigation. I then took the vehicle to Tesla service center irvine where a service advisor quoted me 2900 for a new ecu and bolts and told me that I needed to replace my whole unit and that I was to cover the cost of the repair even though my vehicle is only 2 years of age and this failure is due to the quality control and software of the vehicle. I have been driving around a vehicle with absolutely no safety features whatsoever such as no cameras, sensors, auto braking, or full self driving due to this ecu failure and I fear for my safety and well being while driving this car.

Automatic emergency braking, for no reason, occurred twice while on autopilot. Driving on a remote interstate, during the day, no one and nothing in front of me (and I had a passenger that can confirm), and suddenly the car rapidly braked extremely hard. If I hadn't slammed the accelerator immediately I would have been rear ended the first time. The second time, no one was near me. I am attempting to report this to Tesla, although that is somewhat difficult as I am just getting bounced around their automated systems. My passenger and I, and the car behind us were put at serious risk of collision at ~ 85 mph, due to the completely unexpected and extremely rapid braking. This was under simple autopilot, no fsd or other driving assist. Nothing has been inspected yet, or reproduced past these 2 incidents. No warnings or symptoms occurred before or after this issue. Slightly terrified to use autopilot now, as if a semi-truck had been behind me, we would have been flattened. It is also difficult to turn off this so-called "assist" with emergency braking, it auto-reverts to on every start up, which is also dangerous.

On [Wednesday, 07/09/2025], I was driving my Tesla Model 3 in rainy conditions when the vehicle suddenly swerved and crashed into a sidewall. The road was wet but not flooded, and I was traveling at a moderate speed. As I lifted my foot off the accelerator to slow down, the car's regenerative braking system engaged abruptly, which I believe shifted weight forward and caused the rear tires to lose traction. This led to hydroplaning and complete loss of control. There were no warning lights or alerts prior to the incident. The road surface did not have visible hazards or standing water that would typically explain a spinout. The tires were moderately worn but within usable limits. As a result of the crash, the car was declared a total loss. The insurance company now has possession of the vehicle. Thankfully, no one was injured, but the crash was severe. After the incident, I researched similar cases and found multiple reports and articles (e. G. , autoevolution) linking Tesla’s regenerative braking to increased risk of hydroplaning or loss of control in wet or slippery conditions. The regen system eliminates coasting and applies braking force immediately upon throttle lift-off, which appears to be a safety risk in reduced-traction environments like rain, snow, or ice. I believe this issue deserves investigation, as it may affect the safety of other Tesla drivers in similar weather conditions.

While using traffic aware cruise control or autosteer, the car occasionally detects a nonexistent person in the center of the lane I’m driving in, the proceeds to slam on the brakes when no hazard exists. It seems that tire markings in the road and certain lighting conditions cause the car to think there is a person in the road. Additionally, when driving on a highway with rolling hills, the car detects a forward collision alert and hits the brakes and disengages the autosteer. Both of these could cause a rear and collision at highway speeds. The dealer has claimed that the cause is functionally normally and I already tried to get it serviced but the car continues to have these issues. I do have video evidence of the car slamming on the brakes and detecting a forward collision.

[xxx]- [xxx]am. Trying to park in ymca located in camp hill PA. Took soft right turn to park. Car accelerated instead of recognizing break, which I applied when I see it accelerating. Then I left break so it can take emergency break that didn’t happened it keep going and cross over the parking curb about six torah inch high and went in a ditch. I did not hurt but car front damaged. Tesla was informed and they have the log of the time but told they don’t see any issue. My insurance is paying all the expenses. This was the third incident where car did not tool emergency break itself or recognized the break. I did reported last incident to Tesla. It only happened three times in last six years. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

While traveling at approximately 70 miles per hour on an interstate, the vehicle's automatic emergency braking system engaged multiple times in rapid succession—approximately five separate braking events. Each time, the system falsely detected an obstacle, which it appeared to interpret as a person in front of the vehicle. In reality, there was nothing on the road; the system was reacting to a roof-mounted strap that was fluttering slightly in view of the forward sensors. These false positives caused the vehicle to brake suddenly and forcefully, creating a highly dangerous situation for vehicles behind me. Multiple drivers were forced to swerve to avoid a collision. Thankfully, no crash occurred, but the repeated unexpected braking posed a serious risk to my safety and the safety of others on the highway. Additionally, I had previously disabled the automatic emergency braking feature in the vehicle's settings. However, I later discovered that this system reactivates by default every time the vehicle is restarted. There is currently no option to permanently disable this feature, meaning drivers must manually turn it off for each individual trip, which is not clearly communicated by the system. This issue has not yet been inspected by the manufacturer or a dealer. No warning lights or error messages appeared before or during the braking events.

I have had this happen twice, once on city streets going to work the car was not in auto pilot and it went from 40mph to 0mph instantly. If there was a car behind me I would have gotten slammed into. The second time, my mother was in the passenger seat and I was on the freeway going about 75 to 80mph and it was on auto steer and the car went from the speed I was going to almost 0 and I instantly took control of the vehicle. We both could have been killed because of the last incident and I thought the cameras saw something on the road but there was nothing there. No cars were near me when both events occurred.

* the aeb engaged when it shouldn't have. Yes. * yes * no. * yes, Tesla remotely told me that the error codes in my service menu had nothing to do with the aeb engaging when it wasn't supposed to. The problem has been reported to Tesla. * none. On [xxx] a car stopped suddenly in front of me and my aeb engaged when it shouldn't have. My car is a Model 3 performance and it can stop much faster than most cars. The car behind me came inches from hitting me and my dog and myself were thrown violently forward. This is a *major* safety hazard and could have caused an accident and has caused accidents in other cases. [xxx] this thread has videos of the incident. There was around 20 feet between my car and the car in front of me when the aeb stopped my car. My foot was already on the brake and I was in the process of stopping at a reasonable rate when the aeb suddenly engaged. I could feel the abs engaging. This happened another time about a month ago. A white box van two cars in front of me slowed down and turned right and the aeb engaged even though there was no need for it. Tesla has the ability to turn off the aeb but you have to do it each time you drive. Please require Tesla to make the aeb on/off choice sticky so you don't have to turn it off each time you drive. Also please make Tesla fix their software or disable aeb on their cars. Recent accident where aeb caused an accident. [xxx] other incidents where aeb engaged almost causing an accident or caused an accident: [xxx] [xxx] please do google searches to find the rest. Thanks! information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Phantom braking from freeway speed to almost a stop, with no other vehicles presenting issues nearby. Three occurrences so far.

Automatic emergency braking and steering is unavailable along with a few other features. Service center and car manufacturer not doing anything about it.

When the vehicle is set to regenerative braking mode, lifting off the accelerator pedal causes the car to decelerate significantly. However, in many cases, the brake lights do not illuminate during this process. This could potentially create a safety risk, as drivers behind may not realize the car is slowing down and may not respond in time. Tesla.