2021 Toyota Highlander: problems, recalls and reliability
5 recalls and 503 owner complaints on record; the weakest area is power train (41% of complaints); the 2020 and 2022 and 2023 model years look more trouble-free.
Data updated weekly · 27 new complaints in the last 90 days · latest recall Mar 2026
All counts are reports filed with NHTSA in the United States - US market only, not worldwide totals.
Common problems
Computed from 503 owner complaints filed with NHTSA for this exact model year.
“High pitched whirring from engine when accelerating. Took to mechanic who diagnosed worn internal transmission bearings that could lead to transmission failure. No warning lights or indicators. Toyota is aware of this issue (see Toyota Technical Service Bulletin T-SB-0008-21) but is doing nothing in response.”Owner report · Power Train · Jul 2026
“The transmission has failed due to a defect within the transmission. Toyota is aware of the defect but refusing to assist owners claiming warranty expiration despite the transmission failure occurring due to a defect and not normal wear and tear. Toyota service bulletin accepting the defect. T-SB-0008-21”Owner report · Power Train · Jul 2026
“My 2021 Toyota Highlander Platinum is experiencing a transmission issue consistent with a known problem affecting the UA80 eight-speed transmission used in 2020-2024 Highlander models. The vehicle is currently at Greentree Toyota in [XXX] for diagnosis. This failure is occurring at 63,913 miles, only about 3,900 miles past the vehicle's 60,000-mile powertrain warranty. I have opened a case with Toyota (Case #XXX) and am requesting this be documented as part of a broader pattern reported by other 2020-2024 Highlander owners, including other 2021 Platinum trim owners INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)”Owner report · Power Train · Jul 2026
Show 7 more owner reports
“The contact owns a 2021 Toyota Highlander. The contact stated that while driving 25 MPH, there was an abnormal whining sound coming from the engine. The vehicle was taken to the dealer, where it was diagnosed with transmission failure due to a pinion shaft failure. The dealer determined that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 62,300.”Owner report · Power Train · Jun 2026
“Vehicle started making a high pitched noise when accelerating at around 98,000mi. I took the vehicle in for the 100,000mi service at 100,854mi and had them also look at this issue. I was told that there was a failure in the front carrier pinion shafts and they recommended replacing the transaxle assembly and rear main seal for $8,354. The vehicle was certified with a 100,000mi power train warranty, but it was just out of warranty. I discovered that there is a class action lawsuit against Toyota for knowingly installing transmissions in 2017 to present vehicles that were known to fail prematurely.”Owner report · Power Train · Jun 2026
“2021 Toyota Highlander UA80 transmission failed at 100,000 miles. Codes P2808, P0741. Matches Toyota TSB-0160-18 and T-SB-0008-21. Dealer Alexander Toyota and TMS Brand Engagement denied goodwill. TMS rep stated "TSBs don't matter" despite pending class action Pallaya v Toyota, Case 2:25-cv-10458, which cites these TSBs as proof Toyota knew of defect. Toyota refusing to honor documented defect. Transmission slip/loss of power is safety issue. Request investigation.”Owner report · Lane Departure · Jun 2026
“My 2021 Toyota Highlander is experiencing the documented transmission issue impacting vehicles with the UA80E transmission. Our transmission whines and experiences a hesitation or jerks the vehicle. Especially under acceleration. My vehicle was purchased brand new from Toyota. Serviced at a Toyota dealership since purchase.”Owner report · Power Train · Jun 2026
“The contact owns a 2021 Toyota Highlander. The contact stated that the vehicle was taken for oil filter maintenance and a spark plug change, and after the maintenance, the vehicle made an abnormal sound each time while accelerating. The dealer was contacted and diagnosed the vehicle with transmission failure. The vehicle was not yet repaired. The manufacturer was contacted and stated that the vehicle was out of warranty. The failure mileage was approximately 59,000.”Owner report · Power Train · Jun 2026
“Experiencing high pitched whine noise at approximately 65k miles. Local Toyota dealer test drove vehicle, also noticed high pitched whine, and diagnosed as transmission going bad due to issues noted in T-SB-0008-21. Transmission can fail without warning at any time and leave driver stranded or in dangerous traffic conditions with inability to shift gears correctly to get out of harms way.”Owner report · Power Train · Jun 2026
“Transmission started to whine and act erratically during driving. These effects put safety of those in the vehicle at risk by causing distractions to whomever was driving the vehicle, taking their focus off driving. The vehicle was taken to the dealer who confirmed the transmission needed to be replaced due to an internal failure. They said they were able to quickly diagnose this problem because "they saw it a lot." There were no warning lamps or messages from the vehicle.”Owner report · Power Train · Jun 2026
When filing, owners marked a crash in 16 of these complaints and injuries in 18 - self-reported to NHTSA, not verified accident statistics.
Recalls - 5 campaigns
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. Toyota's number for this recall is 23TB12/23TA12.
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021-2024 Highlander and Highlander Hybrid vehicles. The second-row seat backs may fail to lock into position during seat back adjustment.
Remedy: Dealers will replace the return springs in the seat back recliner assemblies, free of charge. Interim letters notifying owners of the safety risk were mailed April 27, 2026. Additional letters will be sent once the final remedy is available, anticipated August 27, 2026. This is a phased recall. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 26TB06 and 26TA06.
Southeast Toyota Distributors, LLC (SET) is recalling certain 2021-2024 Highlander vehicles. The 20-inch accessory tires with an insufficient load rating for the vehicle's Gross Axle Weight Rating (GAWR) were installed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
Remedy: SET will inspect and replace the tires and information placard, as necessary free of charge. Owner notification letters were mailed August 16, 2024. Owners may contact SET's customer service at 1-866-405-4226. SET's number for this recall is SET24A.
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. A short circuit may develop in the Occupant Classification System (OCS) sensor, preventing the front passenger air bag from deploying.
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. Letters will continue to be mailed in phases through January 2026. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB15/23TA15 Lexus 23LB03/23LA03.
Toyota Engineering & Manufacturing (Toyota) is recalling certain 2022 Lexus LX 600, Lexus NX 350h, Lexus NX 450h+, Toytoa RAV4 Hybrid, 2021-2022 Lexus LS 500h, Toyota Mirai, RAV4 PRIME, Sienna, Venza, and 2020-2022 Toyota Highlander Hybrid vehicles. The Skid Control ECU software may not turn on the Vehicle Stability Control (VSC) system when the vehicle is restarted after the driver has disabled the VSC system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 126, "Electronic Stability Control Systems."
Remedy: Dealers will update the Skid Control ECU software, free of charge. Owner notification letters were mailed May 27, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 22TA03. Lexus' number for this recall is 22LA01.
Trouble codes owners mention
OBD-II codes that appear in NHTSA complaints about this car.
Specifications
Factory options offered for the 2021 model year, decoded from the NHTSA vPIC database. Individual vehicles have one of each.
How other years compare
Check your exact Highlander by VIN
Recalls and equipment differ between individual vehicles. Decode your VIN to see what applies to yours.
Open VIN decoderFrequently asked questions
Is the 2021 Toyota Highlander reliable?
NHTSA has 503 owner complaints and 5 recall campaigns on record for the 2021 Toyota Highlander. The most complained-about area is power train (41% of complaints).
At what mileage do 2021 Toyota Highlander problems usually appear?
Half of the complaints that mention mileage were filed at 31,000 miles or less.
Does the 2021 Toyota Highlander have open recalls?
5 recall campaigns have been issued, the latest concerning structure:body:bumpers. Check your specific vehicle by VIN - recall repairs are free at franchised dealers.
Source: NHTSA recall campaigns and owner complaints (public domain). Counts reflect reports on file and are not a defect rate.