NHTSA Complaint #11689414 — 2020 TOYOTA HIGHLANDER

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11689414
Vehicle	2020 TOYOTA HIGHLANDER
Component	POWER TRAIN
Date of Incident	April 15, 2025
Date Filed	September 24, 2025
Mileage	78,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MD

Consumer Description

The contact owns a 2020 Toyota Highlander. The contact stated that while driving at 30 MPH, there was an abnormal whining sound coming from underneath the vehicle. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the transmission. The vehicle was not repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 78,000.

Related Complaints for the 2020 TOYOTA HIGHLANDER

Other POWER TRAIN Complaints

#11719509 — February 20, 2026 — At approximately 120,000 miles, the vehicle began exhibiting a pronounced shudder or vibration between 40–50 mph unde...

#11714593 — January 30, 2026 — THE TRANSMISSION FAILED SUDDENLY.

#11711916 — January 19, 2026 — Our 2020 Highlander with 45,000 miles started making a whining noise when accelerating. After the Toyota garage looke...

#11711712 — January 18, 2026 — I have experienced ongoing transmission problems, including but not limited to rough shifting, delayed acceleration, ...

#11710814 — January 13, 2026 — Whine noise when you accelerate coming from the automatic transmission. Car is hesitant in shifting gears when needin...

Recent Complaints for the 2020 TOYOTA HIGHLANDER

#11719509 — VEHICLE SPEED CONTROL — February 20, 2026 — At approximately 120,000 miles, the vehicle began exhibiting a pronounced shudder or vibration between 40–50 mph unde...

#11714768 — AIR BAGS — February 1, 2026 — Taken vehicle at least 6 times to dealer (Corwin Toyota), to enquire about the 23v-865 recall, and each time have bee...

#11711802 — UNKNOWN OR OTHER — January 19, 2026 — Premature transmission failure. Vehicle had less than 100K miles. Took the vehicle in for an oil change before a lo...

#11711392 — BACK OVER PREVENTION: SENSING SYSTEM: CAMERA — January 16, 2026 — The contact owns a 2020 Toyota Highlander. The contact stated that while reversing, the rear-view camera screen displ...

#11709295 — UNKNOWN OR OTHER — January 7, 2026 — The sunroof suddenly exploded while stopped at a stoplight. Luckily I had the interior slide shut otherwise we would ...