This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
Vehicle keeps stalling without warning while driving, after stalling there is no power, needs a jump start to get going again. Has happened multiple times, vehicle is under warranty and has been to the dealership twice and they keep saying there is no issue with the vehicle.
The contact owns a 2017 Toyota Highlander. Contact stated that while driving at various speeds, without warning the vehicle would violently shake intermittently, lurch and accelerate. The contact stated that while driving in a parking lot the vehicle inadvertently accelerated while driving through a crosswalk. The brake pedal was depressed to stop the vehicle. The contact stated due to the vehicle lurching and shaking, she has sustained injuries to her tongue, neck and back. No medical attention was needed. The contacted stated that various warning lights would illuminate, the moon roof would randomly open and close, as well as the vehicle would shift gears violently. The vehicle was taken to dealer whom performed a software update. The contact stated that these were ongoing failures. The vehicle was taken to Toyota of greensburg (4964 us-30, greensburg, pa 15601 (724) 552-2761) where the failure could not be duplicated and diagnostic testing results found no failure. The contact stated that an inspector from the manufacturer Toyota was to inspect the vehicle however, no final reports have been completed. The contact mentioned that the inspector stated that he was unable to duplicate the failure. The contact was awaiting call back from the manufacturer. The failure mileage was approximately 23,000.
This engine burns oil. 1/8 of an inch per week. If a person does not check their oil very often their engine will fail and lock up. This could happen when driving and cause a serious accident.
The contact owns a 2017 Toyota Highlander. While the contact was parking the vehicle, it suddenly sped forward, drove over a median, and crashed into a tree. There were no injuries and a police report was not filed. The manufacturer offered to inspect the vehicle or process a request for the vehicle to be repurchased. The contact was unsure of which option to take. Darcars Toyota frederick (5293 buckeystown pike, frederick, md 21704, (301) 696-6300) was contacted, but did not diagnose or repair the vehicle. The cause of the failure was not determined. The failure mileage was 14,680. Manufacture was notified.
The vehicle stalled twice on me at a red light. No power to steer. This both happened at a city near Washington DC. Had my battery and alternator checked. Both came back as in great condition. Almost got hit twice from behind cause of the stalling.
- Waldorf, MD, USA
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Car stalled has happened more than 5 times at parking lot - gas station - home - restaurant - car wash car has stopped while driving on main street 1 time
The contact owns a 2017 Toyota Highlander. The contact stated that the vehicle stalled while driving various speeds. The coffee cup icon displayed on the instrument panel during the failure. The failure was experienced numerous times. The vehicle was taken to hudson Toyota (599 routes 440 South, jersey city, NJ, 07305, (201) 201-5483). The dealer inspected the vehicle, replaced the engine oil, replaced the filters, and rotated the tires. The dealer informed the contact that a metal fragment was located in the motor area; however, the dealer was unable to remove the metal object that was located in the motor. The dealer concluded that there was an electrical failure. The manufacturer was contacted. The vehicle was not repaired. The failure mileage was 15,966.
I stopped at my neighbors house to give her something, I left the engine running when I went in to her house as soon as I went into her house I heard a noise looked out and couldn't see the car, I went out side and the car had jumped in to gear and went into her garage ( the door was open) the car hit her bike, golf clubs there was a 2X4 on a chair the car hit the 2X4 and then the other end of the 2X4 hit her washing machine witch stopped the car.the door was locked so I went home (3 houses from her house) to get the other set of keys the car still wouldn't unlock so I used the the key that is in the remote control to unlock it and shut the engine off.I can't believe the car locked because the keys were in my purse that was in the car.the 2X4 went into the engine and a tow truck had to take it to the garage.I can't believe the car jumped into gear and moved on its own. At one time when we had and oil change my husband told the service manager that when we put the car in gear the car would make a clunk noise and he said they all do that. Maybe they do but I wouldn't think so after what happened.
I was driving on an interstate with dynamic speed control on. The car slowed appropriately to match the speed of the the vehicle ahead of me. Suddenly several warning lights and messages appeared: Master warning light, check engine, check AWD, go to Toyota dealer, engine power loss.the car slowed to about 35 miles an hour (in a 65 mph area) while traffic in front of me was at (or above) the speed limit. I was able to safely get to the shoulder and turn the car off. I took a few minutes to use my smartphone to find the nearest dealer and planned to go off the exit (which was just a few yard ahead) and try to make it to the dealer on side roads. When I restarted the car all lights and warnings were off and the car drove without incident until I reached the dealer near my residence, about 100 miles away. The service rep at the dealer advised I had traveled too far since the incident for their computer analysis to work and he had no advice except to go to the nearest dealer if it ever happened again. I would like to have some info on how to avoid such an incident again.
On Sunday Oct 21 2018, the driver had just left the olin rest area in North Carolina, heading northbound on rt 77. After driving for a little bit the car suddenly acceleration unintentionally by itself. And the car started to zig zag across the highway lanes without the driver turning the steering wheel. The driver tried to press on the brake but it was not effective. The car then grazed an highway guardrail and it partially ripped off the rear left side and rear bumper. The driver kept pressing the brake without effect while swerving across the lanes. Then suddenly the brakes started to work and the driver was able to bring the car to a stop on the right shoulder. The driver put it into park but the engine kept revving at high RPM until the driver turned off the engine. I think the car had a sudden unintended acceleration incident due to the electronic throttle control. In addition, I think the zig zag was due to the electronic traction/ stability control, sending excessive power to a wheel on a particular side of the vehicle when it didn't need it.
City street, two while turning from a stop and two from a stationary stop. Loss of power. Pressing on accelerator had no affect but approximately 5-10 seconds regained movement and continued on. Unsure/unknown of the safety cause. Scaring especially turning left with oncoming traffic coming at you.
On August 10th 2018, I was driving my 2017 Highlander with 17,000 miles on a major highway in California when I accelerated hard to pass other vehicles. Suddenly the Highlander lost all power with all the bells and whistles sounding. The orange triangular warning/check engine lights came on with the all wheel drive system failure flashing needing immediate service. I was able the get to the side of the highway without getting killed and turned the car off. After a minute I was able to restart the car and all the warning lights reset. This was the second time this happened. First time this happened the Highlander had only 4,000 miles on it and was under the same circumstances. I was trying to pass. When I took it to the dealership in reno nv they said all the error codes were not captured and they had not heard of this issue despite many complaints on the internet as well as this site? I was told there was nothing they could do without an error code. They suggested the next time it happens, do not restart the car and have it towed the a dealership to try and recapture an error code. I filed a claim with Toyota Corp but they lead me to think that they don't investigate incidents like this unless there are numerous complaints. I have advised my family of this dangerous condition with the Highlander and if any one gets hurt or killed please sue the heck out of them. This is a very dangerous symptom with the Highlander that is going to get somebody killed and Toyota doesn't seem to care.
Hello, there. I want to share my experience about Highlander problem. My wife and me went to mystic, ct from my home for pleasure August 8. I used cruise control with 65 mph on highway. After I finished traveling there, I tried to use the same cruise control on the way home. And then suddenly my car made problem in the middle of driving on highway. RPM went up to over 3000 and RPM needle on dashboard started dancing. And I watched 'check AWD system','traction control turned off','check engine visit your dealership' coming up. Automatically my car lost power control. We were very scared because everyone there was driving a car with high speed at night. I turned on emergency light and put my car on service road. Fortunately, no body followed behind my car at that time. If someone kept approaching my car, we would have made big traffic accident. This is safety issue for us. Even if we are still alive, I don't have any courageous idea about my car. I will not be satisfied with my car. Whenever I drive it, I have to think about my car condition. For example, I found the same story about my Highlander through carcomplaints.com that car was eventually burned in the middle of highway. So I want my money back by lemon law.
In motion, there was no indicator light on board, just big noise started coming during start or speed of car. Engine cyl 6 rod bearing was faulty, making noise, dealer repaired it and not able to assure other bearings dont have any issues.
While driving up the I-5 grapevine at 72 mph the car suddenly slowed without any warning to under 20 mph. The check engine light turned on and the dash said AWD system disengaged or error or some similar message and to take to the dealer. I was barely able to accelerate to get off the road. I pulled off, turned the car off and back on, and it started running again. I'm lucky I was not rear ended.
The contact owns a 2017 Toyota Highlander. While the brake pedal was depressed, the engine revved and all the warning indicators illuminated. The vehicle was taken to island toyoya (1591 hylan blvd, staten island, NY), but the failure could not be replicated. The manufacturer was made aware of the failure. The failure mileage was approximately 17,100.
The contact owns a 2017 Toyota Highlander. The contact stated that since the vehicle was purchased, the check engine warning light illuminated intermittently. The contact stated that there was also an abnormal fuel odor emitting from the vehicle. The contact also stated that there was physical evidence of a fuel leak under the rear of the vehicle. The vehicle was taken to fort's Toyota of pekin located at: 120 radio city dr, pekin, il 61554, to be diagnosed. The contact was informed that rodents had chewed through the fuel line. The contact was informed that the repair was not covered under warranty. The vehicle was not repaired. The manufacturer was contacted and made aware of the failure. The approximate failure mileage was 2,000. Updated 11/06/17
While driving vehicle lost power to appx 5mph and check engine, check all wheel drive system, visit dealer, lights appeared on dash, vehicle was on highway driving at appx 50mph at time of incident, dealer reprogammed ECM, and returned car to owner and next day while driving incident happened again
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- Westfield, NJ, USA