2021 Toyota Highlander Brakes

Under braking conditions, typically at higher speeds or while going downhill, vehicle will lurch or accelerate momentarily before braking again. This has caught 3 drivers in our family off-guard as it is intermittent and sudden. This is unpredictable and causes the braking distance to vary. We are working to reproduce it. The dealership has not tried to recreate the issue but has told us there is a software update that will fix the issue, it is not covered under any safety recall or safety campaign by Toyota.

There is a Technical Service Bulletin (TSB-0059-23) issued for 2020-2022 Toyota Highlander Hybrid models addressing a braking issue. It happens every day. There are a lot of issues Some drivers reported a momentary transition from regenerative braking to hydraulic braking, particularly when driving downhill or turning with light brake pedal application. Toyota has provided a software update for the brake actuator control module to improve brake feel. If you own one of these models and are experiencing this issue, you can visit a Toyota dealership and request this specific TSB repair. Addendum: There is no charge for this fix if your vehicle is within the warranty period. The repair procedure under Toyota’s Technical Service Bulletin (TSB-0059-23) is covered by Toyota’s warranty, meaning the brake actuator control module reprogramming is performed at no cost to the owner.

I own a 2021 Toyota Highlander Hybrid. The vehicle exhibits a dangerous braking surge defect. When braking during cornering or in stop-and-go traffic, the vehicle randomly surges forward even though the brake pedal is depressed. This creates a serious safety hazard and increases the risk of collision. On multiple occasions, this defect has nearly caused an accident. The last time it happened we were driving in stop and go traffic and the vehicle surged forward while depressing the brakes and the engine died leaving a red triangle on the dash. Toyota has acknowledged this condition through Technical Service Bulletin T-SB-0059-23, which applies to my vehicle. The bulletin involves reprogramming the brake actuator assembly control module to address the braking transition between regenerative and hydraulic braking. Despite this, Toyota has refused to apply hybrid system warranty coverage, misclassifying the defect as a conventional brake issue. My vehicle is available for an inspection. I contacted Toyota corporate, who initially responded but failed to provide follow-up or resolution. The defect persists after the bulletin was applied. Toyota’s refusal to cover the repair under the hybrid warranty leaves me with an unresolved safety defect. This complaint is intended to document the ongoing safety risk and Toyota’s failure to provide adequate remedy under warranty. I request NHTSA investigate this issue as a systemic safety defect affecting 2020–2022 Highlander Hybrid models.

When I apply my foot to the brake pedal the car slows, but just as I am about to reach the final part it feels like the brake is let go and the vehicle goes forward and I have to push harder on the brake to stop the vehicle. This issue can cause me to run into a vehicle that is stopped. I have not taken it to a dealer yet. No warning signs on the dash. This has been going on for about a year now.

My 2021 Toyota Highlander Hybrid has a braking issue identified in Toyota Service Bulletin T-SB-0059-23, Hybrid Regenerative Brake Transition Feeling Improvement. When going downhill and applying the brake, the vehicle lurches forward temporarily as the braking system transitions from regenerative to hydraulic braking. The first time my vehicle did this, it was very alarming and I had to take additional measures to slow my vehicle as I was driving downhill. My vehicle frequently demonstrates this problem, however, I did not report it to my local Toyota dealer because I read in an online chat group that it was a characteristic of this vehicle. Although the TSB recommends a Reprogram of the Brake Actuator Assembly Control Module, the repair is only covered under the Toyota Basic Warranty which is in effect for 36 months or 36k miles, whichever occurs first. My vehicle is past the warranty limit, and because I did not report it to my dealer previously, this repair is not covered under the TSB or the Toyota Basic Warranty. Toyota Highlander Hybrid model years 2020-2022 are affected. The Technical Service Bulletin was issued August 29, 2023, so if a 2020 model Highlander Hybrid has this problem, 2020 models would have already passed the warranty limit by the time the TSB was issued and thus would not be covered. This is a safety risk as drivers can lose control of the vehicle when braking, particularly when going downhill. The Warranty should be extended, or this problem should be elevated to a RECALL so that older affected vehicles, or those with higher mileage can be covered under warranty. Drivers should not have to pay for a recognized problem that affects the safety of this vehicle and has been identified in a Technical Service Bulletin. This problem puts drivers at risk of losing control of the vehicle and the problem can be mediated with a software reprogram. T-SB-0059.23 should be elevated to a RECALL, or extended regardless of age or mileage.

My 2021 Toyota Highlander Hybrid has a braking issue identified in Toyota Service Bulletin T-SB-0059-23, Hybrid Regenerative Brake Transition Feeling Improvement. When going downhill and applying the brake, the vehicle lurches forward temporarily as the braking system transitions from regenerative to hydraulic braking. The first time my vehicle did this, it was very alarming and I had to take additional measures to slow my vehicle as I was driving downhill. My vehicle frequently demonstrates this problem, however, I did not report it to my local Toyota dealer because I read in an online chat group that it was a characteristic of this vehicle. Although the TSB recommends a Reprogram of the Brake Actuator Assembly Control Module, the repair is only covered under the Toyota Basic Warranty which is in effect for 36 months or 36k miles, whichever occurs first. My vehicle is past the warranty limit, and because I did not report it to my dealer previously, this repair is not covered under the TSB or the Toyota Basic Warranty. Toyota Highlander Hybrid model years 2020-2022 are affected. The Technical Service Bulletin was issued August 29, 2023, so if a 2020 model Highlander Hybrid has this problem, 2020 models would have already passed the warranty limit by the time the TSB was issued and thus would not be covered. This is a safety risk as drivers can lose control of the vehicle when braking, particularly when going downhill. The Warranty should be extended, or this problem should be elevated to a RECALL so that older affected vehicles, or those with higher mileage can be covered under warranty. Drivers should not have to pay for a recognized problem that affects the safety of this vehicle and has been identified in a Technical Service Bulletin. This problem puts drivers at risk of losing control of the vehicle and the problem can be mediated with a software reprogram. T-SB-0059.23 should be elevated to a RECALL, or extended regardless of age or mileage.

As your braking coming to a stop, the vehicle surges forward, feels like you lost your brakes and then it stops. If the car in front of you were to stop suddenly, you would hit them from behind. It had been going on for a while, but since it was my wife’s car she said she just stayed way back from the car ahead of her. I came within inches of hitting someone in early June 2025. I took the car to my Toyota dealer June 25, 2025 and they said there was a computer update for the braking system. It took away most of the problem, but it still surged.On August 19, 2025 I took the car back to the dealer where they had another computer update for the brakes. We will see if that works!! I feel it’s a safety issue, we should have been notified. Out of warranty cost me $348.01

While braking, the car often lurches forward (so much so that it will throw my head back against the headrest). It almost feels like the car accelerated even though I have my foot on the brake. It will "re-engage" but it is frightening and also unsafe if you are close behind another vehicle or object. I have also felt the car lurch forward while it was in park a few times. Again, completely scared me because I thought I was going to be pushed into my garage wall. These incidences do not happen every time but they shouldn't be happening at all. I understand the hybrid aspect of it with the brakes and expect a small sensation but to be lurched forward so much is completely unsafe. I initially told the dealership about the brake sensation shortly after punching the car in 2021 and was told there was nothing wrong. I now see hundreds of people posting on social media with the same problem. Toyota needs to do a recall and have this fixed. There are no warning lights or messages that appear when the problem takes place.

My brakes seem to have an issue at times and I am happy to provide it for inspection if needed. When traveling downhill with a slight curve to a stop at slower speeds, the car lunges forward for a second just after the brakes have been engaged. It does not happen all the time, but when it does happen it feels like you could crash into a car in front of you. This issue happens 2-4 times a month and has been happening since I purchased the vehicle. I recently found a Toyota forum with many people stating they have the same problem. Toyota does not seem to be aware of the issue when I have asked them. There have not been any warning lights etc. at any time during this issue nor any recalls with the issue. I am requesting it to be looked at by the manufacturer at the next scheduled service.

2021 Toyota Highlander Hybrid - experiences the sensation of brake loss during transitional period when car switches between regenerative brakes and mechanical brakes; most often occurs on a downgrade approaching a stop. During the transition, the car will surge ahead unexpectedly. I would consider this a significant safety issue; causes the driver to misjudge the required stopping distance and it is possible to hit something (or someone) in front of you. There is a TSB-0059-23 against this issue that requires a software update of the brake actuator. The issue is serious enough in my opinion that a recall of all Highlander hybrids is justified and Toyota should cover the cost of the update. The issue is intermittent and has occurred since new.

The vehicle is a hybrid. While traveling downhill at a speed around 35 mph with light brake pressure, the vehicle feels like it lurches forward a second or so before returning to braking. It has occurred since we purchased the vehicle new in 2021. It has happened multiple times in a variety of scenarios but it occurs most consistently in the downhill scenario described above.

When braking, there is a momentary period where it feels like the brakes fail, then function again. When approaching stopped traffic, this could put those vehicle occupants, and our vehicle occupants at risk of an accident. Toyota maintains this is normal for a hybrid, however our 2013 Camry Hybrid has no such momentary brake failure. Our independent repair shop has been unable to replicate this condition , but they have found no obvious problems with the braking system - they believe it is something computer caused, likely when the hybrid generation brake switches to the hydraulic brake. There are no warning lights displayed. This has been a long standing issue.

When decelerating from a speed of approximately 25 mph on a downward slope of about 5 degrees, and applying the brakes, a number of things occur: 1) There is a 1-2 second delay in the braking action. 2) When applied the braking action is less than expected for certain brake pedal pressure, which causes the driver to increase the brake pedal pressure 3) When the brake pedal is initially depressed, the speed of the vehicle experiences a slight upward speed bump before the braking action is applied, which is 'light' as described in 2). This behavior is transient. Most of the time, it does not happen. It happens often enough to be of concern.

The vehicle hesitates during right turns, creating a hazardous, potentially dangerous, situation. From research I understand this is a known issue when transitioning between battery and gasoline propulsion. Research indicates this is a known situation, Toyota T-SB-0059-23. However, the TSB expires at the termination of the vehicle 3 years/36 months warranty. As a safety issue, in my opinion this problem should be addressed, regardless of vehicle age or mileage.

I’ve had brakes inspected and was told my brakes look great. However there is major chattering coming off highway to slow on off ramp sometimes they don’t grab as they should and I have to be extra proactive. Sometimes steering back and forth quickly to slow vehicle until the brakes will work properly bringing vehicle to a stop or before a collision could occur

When braking, often it feels like the brakes are not engaged, not right away, but during the braking process. This causes the vehicle to surge forward like there are no brakes. Immediately you feel like the brakes failed, then you push them again, they work. It is very random with no reference to different speeds, inclines, never know when it may happen. It has caused many near misses for our family whenever this happens.

my vehicle showing break power low and indicating all safty feature malfunction

My 2021 Toyota highlander hybrid is having seemingly random issues when braking. I notice it most of the time when the vehicle is going downhill. The vehicle will lose braking briefly, and I have to depress the brake harder to slow the vehicle. In that moment when it loses the brake, the vehicle gives the feeling it is lurching forward, which can cause unpredictable stopping distance. It creates a hazard for the driver, the vehicles in front, and the vehicles behind.

My 2021 Toyota Highlander Hybrid braking system has, since about 18 months ago, been intermittently failing. When coming to a stop, with my foot on the break, the break releases (or at least feels like it does) before coming to a full stop and then re-engages a moment later once I press harder. Such, gives one a start and is quit disconcerting. There have been times when I was sure the car was going to drift into an intersection. Also I am concerned that such breaking behavior may put pedestrians, cyclists, etc., at risk. I have on two occations reported this to the dealer. They have not been able to reproduce the problem, which is typical of intermittent problems. Tomorrow, December 11, 2023, they are looking at it again. No warning lights or messages have occured. Neither the manufacturer, insurance company, nor the police have inspected the vehicle.

When slowing down with steady brake pressure, sometimes there is a short pause, 1-2 seconds where it feels like you just lost the brakes. Sometimes this happens when turning and braking too. It isn’t something I can recreate and Toyota opened a case, looked at the car, and said it is normal. Not my 1st hybrid and this is not normal. This has happened many times over the last year and Toyota has looked at the brakes at least 3 or 4 times.

While in the process of slowing down, especially through roundabouts, the car braking systems seem to fail for a few seconds and actually surge/accelerate forward. It is sporadic but has happened to me more than 10 times in the last 6 month but I worry that it will jet forward into another car. I have notified my Dealer Ed Martin of Noblesville and they have stated this is the hybrid braking system (part of how it works). I understand this system but it should fail while braking. I was dismissed and wanted to report it as I did see on-line of other complaints.

ON OCCASSION WHEN ATTEMPTING TO BREAK IN TRAFFIC OR SLOW DOWN AT A YIELD OR STOP SIGN THE BREAKS SEEM TO "FADE". THE CAR DOES NOT STOP UNTIL I PRESS HARDER ON THE BREAKS. I FEEL THAT THE CAR SEEMS TO MOVE FORWARD EVEN THOUGH I HAVE PRESSED ON BRAKE. THE PROBLEM SEEMS TO OCCUR MOST FREQUENTLY DURING STOPING AT THE BOTTOM OF A SLOPE, DURING TURNING OR TRYING TO STOP ON A ROUGH SURFACE. THE VEHICLE HAS BEEN BACK TO THE DEALER ON 2 OCCASSIONS AND HAS APPARENTLY BEEN RECALIBRATED, WITH THE PROBLEM ONLY TO REOCCUR. THE DEALER DOES NOT SEEM TO HAVE A PERMANENT FIX FOR THE PROBLEM. WHERE THIS PROBLEM OCCURS INTERMITENTLY THE DEALER HAS NOT BEEN ABLE TO REPLICATE THE ISSUE. TOYOTA HAS ISSUED A TSB0017-21 TO RECALIBRATE. ON OCCASSION I FELT I WAS GOING TO REAR END THE VEHICLE IN FRONT OF ME OR DRIFT INTO THE INTERSECTION WITH ONCOMING TRAFFIC. BREAKING HARD TO REMEDY THE PROBLEM COULD CAUSE MY VEHICLE TO BE REAR ENDED. TO MY KNOWLEDGE, THERE WERE NO WARNING LAMPS, MESSAGES OR OTHER SYMPTOMS OF THE PROBLEM PRIOR TO THE "FAILURE"

While braking at random times, at any speed, the vehicle surges forward. This makes you have to break harder to get the vehicle to stop. It seems as if the breaks do not work at all for a brief period. I have brought it into the dealer, my car is no longer under warranty, they found nothing wrong.

With increasing frequency, we have noticed what feels like the brakes releasing after being applied. This has happened at low speeds 5-10mph and mid speeds of 20-30's mph. It seems to happen more often when cornering or coming to full stop at low speeds. When the brakes let up it seems almost to accelerate the vehicle. So far we have been able to avoid a collision, but we are fearful that we may hit and injure someone as a pedestrian or in another vehicle. We have complained to Toyota twice now and had the car looked at. They can't find anything wrong and tell us it is normal for hybrid cars?

When coming to a stop, when I apply the brakes, they stop working and I have to press harder on the petal to stop the car. It feels like the brakes "let go" , it is scary since the brakes stop working. I have searched the web and found the Manufacturer has been sited with an issue on another model. Toyota Camry- NHTSA 21V890 - bad vacuum pumps- "van cap" - many break causes the break to lose brake assist . I am planned to see my dealer for its 35000 mile checkup and plan to report to the dealer this issue- 5/19/2023