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Toyota Highlander Electrical Problems

863 owner complaints filed with NHTSA across 25 model years.

Complaints by Year

Worst year: 2008. Best year: 2025.

Owner Reports

A representative sample of complaints filed with NHTSA.

Electrical · 2004 5

CAR IN MOTION @45 MILES AN HOUR AT 8AM 12/29/14. DRIVER LOST CONSCIOUSNESS DUE TO MEDICAL EVENT, WHICH RESULTED IN AUTO RUNNING OFF ROAD AFTER HITTING CURB AND SIDEWALK, THEN HITTING A ROADSIDE FENCE AT AN ESTIMATED 45 MPH. THE CAR THEN...

Electrical · 2021 4

On August 24, 2026, my vehicle was parked, turned off, and locked for more than 6 hours in a parking lot. Without warning, the vehicle experienced a spontaneous thermal event/self combustion. The fire and thermal damage were entirely loc...

Electrical · 2022 4

My mother was involved in a motor vehicle collision while properly restrained by her seat belt. During the collision, the vehicle sustained a significant impact; however, the airbags did not deploy. Following the accident, my mother wen...

Electrical · 2025 4

I was backing up the vechial accelerated the steering wheel was turning rapid & a grinding noise causing me too hit another vechial about a month before my husband was driving & the vechial accelerated going toward also we had had some i...

Electrical · 2022 4

Was in collision - front impact- vehicle was a total loss, airbags did not deploy for driver or passenger side

Electrical · 2023 4

I WAS IN A HEAD ON COLLISION AND SEAT BELT DIDN'T HOLD ME IN PLACE AND AIRBAG DID NOT DEPLOY. I HIT THE STEERING WHEEL.

Electrical · 2014 4

I noticed the smell of wires burning, a billow of smoke started emitting from the two levers used to heat the seats near the gear shift area. I was on the freeway and immediately pulled to the side of the road, turned off the car and cal...

Electrical · 2020 4

The contact owns a 2022 Toyota Corolla. The contact stated that while driving at an undisclosed speed, a passing vehicle suddenly attempted to merge lanes and struck the vehicle on the passenger side door at approximately 45 MPH. No warn...

Electrical · 2023 4

The contact owns a 2023 Toyota Highlander. The contact stated that while driving at 60–65 MPH, the contact's vehicle crashed into the passenger's side of an oncoming vehicle. The air bags did not deploy. In addition, the contact stated...

Electrical · 2023 4

I was in an accident today in this vehicle . Upon impact, traffic was suddenly stopped on the highway. The air bags didn’t deploy and the automatic emergency breaks didn’t engage. Impact was so hard three vehicles were Involved.

Electrical · 2017 4

On April 5, 2026, my 2017 Toyota Highlander was involved in a side‑impact (T‑bone) collision on the front & rear passenger side. I was seated in the front passenger seat. The impact was hard enough that my insurance company declared ...

Electrical · 2018 4

The contact owned a 2018 Toyota Highlander. The contact stated that while driving at 35 MPH, occupied with her children in the rear passenger seats, the contact was attempting to merge onto the intersection, and a state trooper failed to...

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