Which parts fail
Components named in complaints (service brakes, ABS, rotors and pads, parking brake).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2021 Tesla Model 3 owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2021 Tesla Model 3. The contact stated while driving approximately 25 MPH as he was exiting a highway and slowing for a traffic signal at the bottom of the off-ramp his brakes failed to engage. The contact stated the brake pedal was stiff and he had attempted to use full leg force to depress the brake pedal. The contact's vehicle ran the traffic signal and the contact stated he hit the right front end of a vehicle that was across traffic from him. The contact stated no warning light was illuminated. The contact stated that the crash stopped his vehicle and the other vehicle. The contact said that the air bags had been deployed and that the left front end of his vehicle was crushed into the left wheel well. The contact stated that the other vehicle received only light damage to the right end of the bumper due to it being higher than his vehicle. …
The contact owns a 2021 Tesla Model 3. The contact stated that while attempting to park at 5 MPH, the brake pedal was depressed however the vehicle accelerated independently. As a result, the contact crashed into the two parked vehicles on the side of the parking space she was attempting to park. No air bags were deployed. One parked vehicle had an occupant and the other was unoccupied. There were no injuries or medical attention required. A police report was filed. The manufacturer was made aware of the failure and the vehicle was taken to an unknown dealer where it was unable to be diagnosed due to no available appointment. The dealer then suggested the vehicle be towed to the contact's residence where it currently remains in the garage. Tesla informed the contact that the brake system would not be inspected until she repaired the crash cosmetic damage to the vehicle. …
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. …
Hello, Driving on a snowy road around 20 MPH. Attempted to slow down in a straight line, used the brakes to try and slow vehicle to go into a driveway. Vehicle would not respond to any inputs. The brake pedal seemed frozen, coming off and back on the brake pedal did not change anything. There sounded like an ABS pulsing but it was not working. Post accident pictures showed it looked like the car was dragging one axle like it was locked in the snow. Car ending up grazing a mailbox post and afterword said 'take control'. I believe the car tried to do an automated braking maneuver which did not work. The road was covered in 1-2" of snow and the mailbox would have been a reference point in the distance. When turning the steering wheel away from the object that was hit, the car continued to go straight like the wheels were not attached. …
My Tesla 3 accelerated out of control when parking at my place of work which is a daycare center. I could have killed children, others and myself. My foot was fully pressed on the brake. Tesla is claiming it is driver error. That is false my foot was pressed fully on the brake. Scared to go back in the car. I don't want that car on the road. I hit the curb went airborne missing a car, sign, brick wall, trees onto an embankment. I have a wittiness too.
1:Brake fail when trying to stop the car after the accident. The car is available for inspection at Arrow towing service Oklahoma City. 2: After the car accident the car keep going can't stop got Tee boned and my passenger broke his legs and ankles, elbow. 3: No, the problem has not be discussed with the dealer or manufacturer yet. 4: No one, including police, insurance have been inspect it. 5: No warning lamp or any kind of warning.
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.
I was pulling up next to a curb inside a neighborhood to park my car. I released my foot on the accelerator pedal to slow and stop my car. I slowly stepped on the brake pedal to switch the gear into reverse and my vehicle sped up very fast and hit the parked car in front of me and ran over the curb, my steering wheel also shifted to the right as if it was trying to dodge an obstacle on the road. It happpend so fast that I could not avoid the impact. I could have ran into a pedestrian and put their life at risk, or injured the person in the car that was parked, and even hurt myself badly. I've been getting neck pain and headaches. This incident was very terrifying and traumatizing. I tried to reach out to Tesla Service Center, but my tesla app was not working after the incident. The Tesla app was frozen for 10-15 mins after the incident. …
While driving up SR95 in AZ at 65mph, the car suddenly provided an audio alert and then slammed on the brakes. It felt as the anti-lock may have engaged. When control was regained, I glanced at the screen and it appeared that it believed a person was in front of the car. There was nothing in front of the car at the time except the road and its common tar-snakes. All safety features were manually turned off to resume the drive. Though within seconds of turning on cruise control, it would start braking and being erratic forcing me to not use the basic cruise control. This was NOT while Autopilot was engaged. At the time of the main incident, cruise control wasn't even engaged. I was in full control of the vehicle and the throttle. But I could not override the braking. Thankfully the person behind was far enough not to be a major risk, but that was luck. …
The Tesla Autopilot system in my Model 3 repeatedly malfunctions by way of "phantom braking".The latest incident I was luckily able to capture on camera. In this incident, my vehicle is driving down a Nevada highway in the heat, with no oncoming vehicles and a vehicle in my lane well over a mile away and increasing (they had just passed me a few minutes prior). With the speed set to 74mph (driving 73 at the time) the vehicle proceeds to apply heavy brakes, and slows to 56mph for no reason (no vehicles behind, thankfully). My safety and the safety of other motorists is put at risk with these events as the unexpected braking not only whips around the passengers of MY vehicle, but also puts at risk any vehicles that may be behind me, expecting me to maintain my current velocity. …
Related recalls
Service brakes, hydraulic › Critical fasteners
Tesla, Inc. (Tesla) is recalling certain 2019-2021 Model 3 and 2020-2021 Model Y vehicles. The brake caliper bolts may be loose, allowing the brake caliper to separate and contact the wheel rim.
Remedy: Tesla Service will inspect and tighten, or replace the caliper bolts as necessary, free of charge. Owner notification letters were mailed July 23, 2021.
Brake complaints in other Model 3 years
Frequently asked questions
How common are brake problems on the 2021 Tesla Model 3?
NHTSA has 126 complaints about the brakes of the 2021 Tesla Model 3, 19% of the model year's 671 complaints. The component named most often is foundation components › disc › rotor (1 mentions).
Is there a recall for 2021 Tesla Model 3 brake problems?
Yes — NHTSA recall 21V-387 (critical fasteners, May 25, 2021). Recall repairs are free at authorized dealers.
At what mileage do 2021 Tesla Model 3 brake problems start?
Half of the complaints with a recorded mileage happened before about 18,000 miles, and 67% before 25,000 miles.
Is it dangerous?
Owners linked 11 crashes, 1 fire and 5 injuries to brakes problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.