Most common 2020 Toyota Highlander problems
Share of the 321 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Toyota Highlander complaints by model year
Best Highlander years: 2025, 2016, 2014. Years to avoid: 2021, 2019, 2023, 2022, 2020. Compare all years →
2020 Toyota Highlander recalls (4)
Air bags › Sensor › Occupant classification
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450H, 2021 Sienna Hybrid, Lexus ES250, 2020-2022 Camry, Camry Hybrid, and ES300H vehicles.
Remedy: Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed in February 2024. Some final remedy owner letters were mailed October 31, 2024.
Structure › Body › Bumpers
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2023 Highlander & Highlander Hybrid vehicles. During normal vehicle operation, minor impact to the front lower bumper cover may result in the cover coming loose or detaching.
Remedy: Dealers will repair or replace the upper and lower front bumper covers as necessary, free of charge. Owner letters were mailed April 22, 2024. Owners may contact Toyota customer service at 1-800-331-4331.
Seats
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020 Highlander and Highlander hybrid vehicles. Incorrect seat trim covers on one or both of the front seats can prevent the seat-mounted side air bag from deploying properly.
Remedy: Toyota will notify owners, and dealers will inspect the front seats and replace the seat trim covers as necessary, free of charge. The recall began December 11, 2020.
Engine
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020 Highlander vehicles equipped with a 3.5 L, V6 (2GR-FKS) gasoline engine. Due to an Engine Control Unit (ECU) programming error, fuel may not be correctly supplied to the engine while using the stop and restart feature.
Remedy: Toyota will notify owners, and dealers will reprogram the ECU, free of charge. The recall began May 15, 2020. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is 20TA06.
What 2020 Toyota Highlander owners say
Transmission & drivetrain all 126 →
I pulled my vehicle into the driveway and stopped outside of the garage. I stepped out to fold my mirrors on both sides of the vehicle as the garage is very narrow. I also need to unload my belongings from the rear hatch. I walked around to the Right side mirror, folded it and headed to unload the hatch when the vehicle PULLED ITSELF INTO THE GARAGE; literally! I could not open the doors as they lock and the space is so narrow. The vehicle stopped when it hit the back wall of the garage. I immediately opened the door and turned the vehicle off. The Vehicle sounds an alarm and shows the message "Shift to park" if not in Park. This did not happen. I sat in the car putting my sunglasses away and unplugging my phone before exiting. …
The contact owns a 2020 Toyota Highlander. The contact stated that there was an abnormal winding noise detected while accelerating. The failure increased over time. While the contact's husband was driving approximately 60 MPH and attempting to accelerate, the vehicle lost motive power. While shifting to park, there was an abnormally loud, high-pitched winding sound detected. The vehicle was slow to shift from first to second gear. There were no warning lights illuminated. The vehicle was taken to an independent mechanic, who determined that the CV joint needed to be replaced. The vehicle was repaired, but the failure recurred. The vehicle was taken to a transmission center, where the transmission was rebuilt. The contact called the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The approximate failure mileage was 130,000.
Brakes all 41 →
The contact owns a 2020 Toyota Highlander. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The contact stated that the vehicle failed to stop, and the vehicle jerked abnormally. No warning lights were illuminated. The failure was a persistent failure. The vehicle was taken to the dealer. The contact was informed of a software update. The contact was informed that an unknown software update was needed to repair the vehicle. The vehicle was repaired. The contact researched Technical Service Bulletin: 005923, which had a similar failure description. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 15,000.
The contact owns a 2020 Toyota Highlander. The contact stated that upon the depression of the brake pedal, the vehicle would intermittently surge forward without warning. The contact stated that he would shift the vehicle into neutral to stop the vehicle from surging. The contact also stated that the blind spot monitor's unavailable warning message would intermittently appear on the instrument panel. The contact had taken the vehicle to Bayside Toyota and Waldorf Toyota and each dealer was unable to duplicate or diagnose the cause of the failure. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 21,000.
Air bags all 32 →
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 warning lights were illuminated. The contact stated that the air bags did not deploy. The contact stated that she sustained pain in her right chest, head, and left arm, and medical attention was sought. A police report was filed. The vehicle was towed to a local tow lot, where it remained for further investigation. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 89,083.
The contact's wife owns a 2020 Toyota Highlander. The contact received notification of NHTSA Campaign Number: 23V865000 (Air Bags) however, the part to do the recall repair was not yet available. The contact stated that the audible seat belt chime sounded after the front passenger's side seat occupant had buckled the seat belt. The seat belt warning light was illuminated. The vehicle was taken to the dealer, where it was determined that the failure was related to the recall. The vehicle was not repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 67,080. VIN tool confirms parts not available.
2020 Toyota Highlander engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.5L 4-cyl hybrid | CVT | FWD | 36 / 35 / 36 |
| 2.5L 4-cyl hybrid | CVT | AWD | 35 / 35 / 35 |
| 3.5L 6-cyl | 8-speed automatic | FWD | 21 / 29 / 24 |
| 3.5L 6-cyl | 8-speed automatic | AWD | 20 / 27 / 23 |
EPA ratings. Class: Small SUV.
Frequently asked questions
Is the 2020 Toyota Highlander a good car?
Based on 321 owner complaints filed with NHTSA, the 2020 Highlander rates avoid: 2.3× as many complaints as a typical year of the Highlander at the same age. It is one of the Highlander years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2020 Toyota Highlander?
The transmission & drivetrain — 126 complaints, 39% of all complaints for this model year, most often about driveline › differential unit. Next are the brakes (41) and air bags (32).
How many recalls does the 2020 Toyota Highlander have?
There are 4 recalls for the 2020 Toyota Highlander, the most recent from December 20, 2023 (occupant classification). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Toyota Highlander?
The best years by complaints, compared at the same age, are 2025, 2016 and 2014. Years to avoid or approach with caution: 2021, 2019, 2023, 2022 and 2020. See the full Toyota Highlander years comparison.
At what mileage do 2020 Toyota Highlander problems happen?
The median mileage reported in complaints is about 21,000 miles; 63% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.