really awful
Crashes / Fires:
3 / 0
Injuries / Deaths:
2 / 0
Average Mileage:
15,627 miles

About These NHTSA Complaints:

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.

2015 Toyota Highlander engine problems

engine problem

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2015 Toyota Highlander Owner Comments

problem #8

Apr 162019


  • 6,500 miles


As I was pulling into a parking space and applying the brakes, the car unexpectedly accelerated and hit the building wall. Since I was puzzled by what happened, I read several articles about Toyota automobiles doing just this same thing. Most of the articles covered Toyota automobiles older than mine, I did find several recent reports, including two that involved 2015 Highlander models just like mine. I plan to also notify the manufacturer, Toyota.

- Avondale, PA, USA

problem #7

Nov 162018


  • 66,670 miles
When driving my Highlander the following error messages appeared, error keeping the start button pressed will cause an emergency stop. I dismissed this. Then it popped up a message that car cannot drive while brake and accelerator are pressed simultaneously. I lost ability to accelerate so tried to pull of busy road, pressing the brake pedal restored acceleration. Then when I stopped in traffic or at lights the car shut itself down and had to be restarted. These error messages kept coming on while I drove to the dealer. I switched off the car at the shop and it wouldnt repeat the problem, no codes have been recorded by the vehicles computer because the check engine light never came on. Toyota and the dealership want to wait until it happens again. Since it happened before, also while it was driving I am uncomfortable as it is a safety concern. I don't want it to happen on a busy highway. I believe the intelligent power module of the car is shorting out and causing the car to go into failsafe mode and shut down creating hazardous driving conditions.

- Winchester, MA, USA

problem #6

Aug 312018

Highlander 6-cyl

  • miles
The contact owns a 2015 Toyota Highlander. On August 31, 2018, while driving at unknown speeds, the vehicle surged. There were no warning indicators illuminated. The vehicle was taken to the local dealer (lakeside Toyota, 3701 N causeway blvd, metairie, la 70002, (877) 512-8274) where it was diagnosed that the throttle body needed to be cleaned. The vehicle was repaired; however, the failure recurred. The manufacturer was not contacted. Additionally, on August 31, 2018, the vehicle accelerated without warning, jumped the parking bumper, and crashed into the quarter panel of a Transport van. There were no warning indicators illuminated. The contact sustained chest injuries and medical attention was provided. The air bags did not deploy. A police report was filed. The vehicle was towed to the same dealer, but was not diagnosed or repaired. The manufacturer was contacted at 800-331-4331, ext 73822 and provided case number: 1809053132. The manufacturer stated that the event data recorder would be retrieved from the vehicle. The failure mileage was 68,000.

- ;La Place, LA, USA

problem #5

Jun 012015


  • 1,000 miles


Light on cruise control lever on steering column flickers off and on if vehicle is in motion and steering column is in use. Alternator in car already required replacement at 73,000. Dealership was advised of issue and I was told there was nothing wrong with the lever.

- Valley View, PA, USA

problem #4

Apr 042018


  • 37,000 miles
I was involved in an accident that I believe was caused by sudden unintended acceleration (sua). I was pulling into a diagonal parking space on a city street, proceeding at a very slow speed, when there was a sudden surge in acceleration accompanied by a grinding sound. I hit the brake to no effect, and the vehicle jumped the curb and hit a pole (not connected to anything). The air bags did not deploy, and we were shaken up but not injured. The car was not drivable and was towed to a body shop.

- Augusta, GA, USA

problem #3

Jan 302016


  • 850 miles
Driving forward into parking space. Just about stopped. Pressed break. Car lurched forward at hight speed suddenly, causing car to jump curb at top of parking spot and careen down hill (onto side walk). Car out of control for about 2 seconds. Was able to break in hill, which prevented me from hitting car parked perpendicular on street below. Bottom of car scraped curb when car jump curb and lurched forward. Bottom front bumper scraped. There was an icy patch at top of parking space. It seems like when wheels rolled on top of icy patch, the car lurched forward. Car might have accidentally been on cruise control at the time.

- Winston-Salem, NC, USA

problem #2

Sep 202015


  • 10,000 miles
The contact owns a 2015 Toyota Highlander. While driving approximately 5 mph with the accelerator pedal being depressed, the vehicle decreased in speed and an unknown warning light illuminated. The vehicle was towed to the dealer, but the failure was unable to be determined. The vehicle was not repaired. The contact was told that the failure occurred due to driver error and was documented on several occasions on the vehicles black box. The manufacturer was not made aware of the failure. The approximate failure mileage was 10,000. The VIN was unavailable.

- West Newbery, MA, USA

problem #1

Aug 202015

Highlander 6-cyl

  • 2,999 miles
The contact owns a 2015 Toyota Highlander. When the cruise control was activated and set at 55 mph, the cruise control failed to maintain the set speed when going downhill. The vehicle was taken to the dealer for diagnostic testing. The contact was informed by the dealer that the function was normal when traversing a hill. The vehicle was not repaired. The manufacturer was notified of the failure. The VIN was unknown. The approximate failure mileage was 2,999. Updated 01/27/16 updated 02/04

- Maiden, NC, USA

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