TOYOTA HIGHLANDER 2021

Complete listing of complaints and recalls for this vehicle

385
Complaints
7
Recalls

Complaints & Recalls

385 Complaints 7 Recalls

Official Safety Recalls - Important!

7 Recalls

These are official manufacturer recalls ordered by NHTSA for safety defects. If you own this vehicle, contact your dealer immediately for free repairs.

Southeast Toyota Distributors, Llc
NHTSA Campaign: 24V452000 SAFETY RECALL
4.8K Vehicles Affected
Recall Date: Jun 18, 2024
Safety Issue:

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."

Potential Risk:
Tires with an insufficient load rating can be overloaded and fail, increasing the risk of a crash.
FREE Recall Solution:
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.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Action Required: Contact your local TOYOTA dealer to schedule your FREE recall repair.
Manufacturer: TOYOTA
Mfg Campaign: SET24A
Notice Date: Aug 16, 2024
Recall Date: Jun 18, 2024
Toyota Motor Engineering & Manufacturing
NHTSA Campaign: 23V865000 SAFETY RECALL
999.9K Vehicles Affected
Recall Date: Dec 20, 2023
Safety Issue:

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.

Potential Risk:
An air bag that does not deploy during a crash increases the risk of injury.
FREE Recall Solution:
Dealers will inspect and replace the sensor as necessary, free of charge. Owner letters were mailed October 31, 2024. This is a phased recall. The next phase is anticipated in June 2025. Multiple phases are planned through 2026. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB15/23TA15 Lexus 23LB03/23LA03.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Action Required: Contact your local TOYOTA dealer to schedule your FREE recall repair.
Manufacturer: TOYOTA
Mfg Campaign: 23TA15, 23LA03
Notice Date: Oct 31, 2024
Recall Date: Dec 20, 2023
Toyota Motor Engineering & Manufacturing
NHTSA Campaign: 23V720000 SAFETY RECALL
750.8K Vehicles Affected
Recall Date: Oct 26, 2023
Safety Issue:

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.

Potential Risk:
A detached front bumper cover can become a road hazard, increasing the risk of a crash.
FREE Recall Solution:
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.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Action Required: Contact your local TOYOTA dealer to schedule your FREE recall repair.
Manufacturer: TOYOTA
Mfg Campaign: 23TB12 / 23TA12
Notice Date: Apr 22, 2024
Recall Date: Oct 26, 2023

Consumer Complaints

385 Complaints
Toyota Motor Corporation
Campaign: 11677424 Other
Jul 31, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

My car has been making a grinding and whining noise. I took it to the dealership and the service manager stated Toyota has been having a known issue on transmission and it will have to be replaced. The vehicle can stop working while i am driving and cause a very bad accident.

Corrective Action:

My car has been making a grinding and whining noise. I took it to the dealership and the service manager stated Toyota has been having a known issue on transmission and it will have to be replaced. The vehicle can stop working while i am driving and cause a very bad accident.

Additional Notes:

My car has been making a grinding and whining noise. I took it to the dealership and the service manager stated Toyota has been having a known issue on transmission and it will have to be replaced. The vehicle can stop working while i am driving and cause a very bad accident.

Manufacturer: TOYOTA
Mfg Campaign: 11677424
Notice Date: Jul 31, 2025
Recall Date: Jul 31, 2025
Toyota Motor Corporation
Campaign: 11676238 Other
Jul 25, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

When our vehicle reached about 70,500 miles (10,000 miles past when the powertrain warranty expired), the vehicle started making high-pitched whining noises when the gas pedal was depressed. We brought it to the Toyota dealership and were advised that the vehicle's transmission needed to be replaced and were quoted $9,700. This is for a vehicle that was only 4 years old!! We do not feel that this is a repair/issue that a consumer must bear the cost of! When we shared this with the Toyota technician, he stated that unfortunately, the Highlander's powertrain warranty expired at 60,000 miles. We understand that Toyota was aware of this issue and this should have been escalated as a NHTSA recall where the manufacturer should be responsible for the cost of repair and/or replacement, not the consumer. Please assist us with obtaining a satisfactory resolution with this.

Corrective Action:

When our vehicle reached about 70,500 miles (10,000 miles past when the powertrain warranty expired), the vehicle started making high-pitched whining noises when the gas pedal was depressed. We brought it to the Toyota dealership and were advised that the vehicle's transmission needed to be replaced and were quoted $9,700. This is for a vehicle that was only 4 years old!! We do not feel that this is a repair/issue that a consumer must bear the cost of! When we shared this with the Toyota technician, he stated that unfortunately, the Highlander's powertrain warranty expired at 60,000 miles. We understand that Toyota was aware of this issue and this should have been escalated as a NHTSA recall where the manufacturer should be responsible for the cost of repair and/or replacement, not the consumer. Please assist us with obtaining a satisfactory resolution with this.

Additional Notes:

When our vehicle reached about 70,500 miles (10,000 miles past when the powertrain warranty expired), the vehicle started making high-pitched whining noises when the gas pedal was depressed. We brought it to the Toyota dealership and were advised that the vehicle's transmission needed to be replaced and were quoted $9,700. This is for a vehicle that was only 4 years old!! We do not feel that this is a repair/issue that a consumer must bear the cost of! When we shared this with the Toyota technician, he stated that unfortunately, the Highlander's powertrain warranty expired at 60,000 miles. We understand that Toyota was aware of this issue and this should have been escalated as a NHTSA recall where the manufacturer should be responsible for the cost of repair and/or replacement, not the consumer. Please assist us with obtaining a satisfactory resolution with this.

Manufacturer: TOYOTA
Mfg Campaign: 11676238
Notice Date: Jul 25, 2025
Recall Date: Jul 25, 2025
Toyota Motor Corporation
Campaign: 11674880 Other
Jul 20, 2025
Defect Description:

STRUCTURE:BODY

Potential Consequences:

Dull Popping noise from rear bar under seat of 3rd row

Corrective Action:

Dull Popping noise from rear bar under seat of 3rd row

Additional Notes:

Dull Popping noise from rear bar under seat of 3rd row

Manufacturer: TOYOTA
Mfg Campaign: 11674880
Notice Date: Jul 20, 2025
Recall Date: Jul 20, 2025
Toyota Motor Corporation
Campaign: 11674890 Other
Jul 20, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

The sunroof glass on our 2021 Highlander unexplainably shattered on our ride home on 7/20/25 at approximately 12:30PM. Sky was overcast, and the temperature was in the mid 80's. We had just entered the highway and were still accelerating to highway speed. We were not near a pedestrian overpass where a rock could have been tossed from above. Broken glass edges are pointing upward. The sunroof was in the fully closed position and not tilted. Safety would have been at extreme risk if we did not have the inner slide closed. The vehicle has not yet been inspected by the Toyota dealership or insurance.

Corrective Action:

The sunroof glass on our 2021 Highlander unexplainably shattered on our ride home on 7/20/25 at approximately 12:30PM. Sky was overcast, and the temperature was in the mid 80's. We had just entered the highway and were still accelerating to highway speed. We were not near a pedestrian overpass where a rock could have been tossed from above. Broken glass edges are pointing upward. The sunroof was in the fully closed position and not tilted. Safety would have been at extreme risk if we did not have the inner slide closed. The vehicle has not yet been inspected by the Toyota dealership or insurance.

Additional Notes:

The sunroof glass on our 2021 Highlander unexplainably shattered on our ride home on 7/20/25 at approximately 12:30PM. Sky was overcast, and the temperature was in the mid 80's. We had just entered the highway and were still accelerating to highway speed. We were not near a pedestrian overpass where a rock could have been tossed from above. Broken glass edges are pointing upward. The sunroof was in the fully closed position and not tilted. Safety would have been at extreme risk if we did not have the inner slide closed. The vehicle has not yet been inspected by the Toyota dealership or insurance.

Manufacturer: TOYOTA
Mfg Campaign: 11674890
Notice Date: Jul 20, 2025
Recall Date: Jul 20, 2025
Toyota Motor Corporation
Campaign: 11674293 Other
Jul 17, 2025
Defect Description:

STRUCTURE

Potential Consequences:

The contact owns a 2021 Toyota Highlander. The contact received notification of NHTSA Campaign Number: 23V720000(Structure); however, the part to do the recall repair was not yet available. An unknown local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

Corrective Action:

The contact owns a 2021 Toyota Highlander. The contact received notification of NHTSA Campaign Number: 23V720000(Structure); however, the part to do the recall repair was not yet available. An unknown local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

Additional Notes:

The contact owns a 2021 Toyota Highlander. The contact received notification of NHTSA Campaign Number: 23V720000(Structure); however, the part to do the recall repair was not yet available. An unknown local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

Manufacturer: TOYOTA
Mfg Campaign: 11674293
Notice Date: Jul 17, 2025
Recall Date: Jul 17, 2025
Toyota Motor Corporation
Campaign: 11674324 Other
Jul 17, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

Transmission is making a wheezing noise

Corrective Action:

Transmission is making a wheezing noise

Additional Notes:

Transmission is making a wheezing noise

Manufacturer: TOYOTA
Mfg Campaign: 11674324
Notice Date: Jul 17, 2025
Recall Date: Jul 17, 2025
Toyota Motor Corporation
Campaign: 11673592 Other
Jul 15, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

Our vehicle has 72k miles at normal use- no towing or off roading. Due to a whining noise we took in the vehicle at a Toyota dealer and after a $200 diagnostic fee concluded we need a new transmission priced at $10,800. There was no explanation/diagnosis summary- just we need a new transmission.

Corrective Action:

Our vehicle has 72k miles at normal use- no towing or off roading. Due to a whining noise we took in the vehicle at a Toyota dealer and after a $200 diagnostic fee concluded we need a new transmission priced at $10,800. There was no explanation/diagnosis summary- just we need a new transmission.

Additional Notes:

Our vehicle has 72k miles at normal use- no towing or off roading. Due to a whining noise we took in the vehicle at a Toyota dealer and after a $200 diagnostic fee concluded we need a new transmission priced at $10,800. There was no explanation/diagnosis summary- just we need a new transmission.

Manufacturer: TOYOTA
Mfg Campaign: 11673592
Notice Date: Jul 15, 2025
Recall Date: Jul 15, 2025
Toyota Motor Corporation
Campaign: 11673121 Other
Jul 13, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

Air conditioning lines eroded and needed to be repaired after 26,000 miles/ 3 or 4 years. A/C line repair cost was $2500. Vehicle is garage kept and cleaned regularly during winter, it should not be having rusting problems, especially in this good of condition.

Corrective Action:

Air conditioning lines eroded and needed to be repaired after 26,000 miles/ 3 or 4 years. A/C line repair cost was $2500. Vehicle is garage kept and cleaned regularly during winter, it should not be having rusting problems, especially in this good of condition.

Additional Notes:

Air conditioning lines eroded and needed to be repaired after 26,000 miles/ 3 or 4 years. A/C line repair cost was $2500. Vehicle is garage kept and cleaned regularly during winter, it should not be having rusting problems, especially in this good of condition.

Manufacturer: TOYOTA
Mfg Campaign: 11673121
Notice Date: Jul 13, 2025
Recall Date: Jul 13, 2025
Toyota Motor Corporation
Campaign: 11671784 Other
Jul 7, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

I purchased a 2021 Toyota Highlander in June of 2024 with about 45k miles. The transmission completely failed at 67k miles, when I brought it in to have checked in April of 2024. This is not covered under warranty and is costing 7-8k in repairs and over 3k in rental vehicles. I'm told the transmissions are on back order for 3-6 months. No lights went off in the car warning me of this. I smelled burning fumes on and off and reported it to the service dept around 59k (January 2024) miles. I did feel a jump at times, but didn't report that. After my routine oil change at the end of March of 2025, I heard a whining noise only when accelerating and would immediately stop when I released my foot. Two Toyota Service departments diagnosed my car with a failed transmission. I haven't been able to drive my car for 2 months now. My family's safety has been at risk while this issue with this transmission failure has been known and not reported to the consumers prior to my purchase in June of 2024. Potential consequences to a failed transmission while driving are as follows: -Sudden Stop or Coast to a Stop: The car might stop moving entirely, especially if internal components seize or it just loses power and I coast to a stop. -No Response to Acceleration -Pressing the gas has no effect, which is dangerous if I'd be in traffic or on a highway. -Locked-Up Transmission -Rare but possible, especially in catastrophic mechanical failure which could cause wheels to lock briefly. -Stranded

Corrective Action:

I purchased a 2021 Toyota Highlander in June of 2024 with about 45k miles. The transmission completely failed at 67k miles, when I brought it in to have checked in April of 2024. This is not covered under warranty and is costing 7-8k in repairs and over 3k in rental vehicles. I'm told the transmissions are on back order for 3-6 months. No lights went off in the car warning me of this. I smelled burning fumes on and off and reported it to the service dept around 59k (January 2024) miles. I did feel a jump at times, but didn't report that. After my routine oil change at the end of March of 2025, I heard a whining noise only when accelerating and would immediately stop when I released my foot. Two Toyota Service departments diagnosed my car with a failed transmission. I haven't been able to drive my car for 2 months now. My family's safety has been at risk while this issue with this transmission failure has been known and not reported to the consumers prior to my purchase in June of 2024. Potential consequences to a failed transmission while driving are as follows: -Sudden Stop or Coast to a Stop: The car might stop moving entirely, especially if internal components seize or it just loses power and I coast to a stop. -No Response to Acceleration -Pressing the gas has no effect, which is dangerous if I'd be in traffic or on a highway. -Locked-Up Transmission -Rare but possible, especially in catastrophic mechanical failure which could cause wheels to lock briefly. -Stranded

Additional Notes:

I purchased a 2021 Toyota Highlander in June of 2024 with about 45k miles. The transmission completely failed at 67k miles, when I brought it in to have checked in April of 2024. This is not covered under warranty and is costing 7-8k in repairs and over 3k in rental vehicles. I'm told the transmissions are on back order for 3-6 months. No lights went off in the car warning me of this. I smelled burning fumes on and off and reported it to the service dept around 59k (January 2024) miles. I did feel a jump at times, but didn't report that. After my routine oil change at the end of March of 2025, I heard a whining noise only when accelerating and would immediately stop when I released my foot. Two Toyota Service departments diagnosed my car with a failed transmission. I haven't been able to drive my car for 2 months now. My family's safety has been at risk while this issue with this transmission failure has been known and not reported to the consumers prior to my purchase in June of 2024. Potential consequences to a failed transmission while driving are as follows: -Sudden Stop or Coast to a Stop: The car might stop moving entirely, especially if internal components seize or it just loses power and I coast to a stop. -No Response to Acceleration -Pressing the gas has no effect, which is dangerous if I'd be in traffic or on a highway. -Locked-Up Transmission -Rare but possible, especially in catastrophic mechanical failure which could cause wheels to lock briefly. -Stranded

Manufacturer: TOYOTA
Mfg Campaign: 11671784
Notice Date: Jul 7, 2025
Recall Date: Jul 7, 2025
Toyota Motor Corporation
Campaign: 11670791 Other
Jul 2, 2025
Defect Description:

ENGINE

Potential Consequences:

My 2021 Toyota Highlander experienced transmission problems mainly related to the transmission models. My vehicles reported issues such as whining or grinding noises, which were attributed to problems with the pinion shafts in the front carrier assembly.

Corrective Action:

My 2021 Toyota Highlander experienced transmission problems mainly related to the transmission models. My vehicles reported issues such as whining or grinding noises, which were attributed to problems with the pinion shafts in the front carrier assembly.

Additional Notes:

My 2021 Toyota Highlander experienced transmission problems mainly related to the transmission models. My vehicles reported issues such as whining or grinding noises, which were attributed to problems with the pinion shafts in the front carrier assembly.

Manufacturer: TOYOTA
Mfg Campaign: 11670791
Notice Date: Jul 2, 2025
Recall Date: Jul 2, 2025
Toyota Motor Corporation
Campaign: 11670791 Other
Jul 2, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

My 2021 Toyota Highlander experienced transmission problems mainly related to the transmission models. My vehicles reported issues such as whining or grinding noises, which were attributed to problems with the pinion shafts in the front carrier assembly.

Corrective Action:

My 2021 Toyota Highlander experienced transmission problems mainly related to the transmission models. My vehicles reported issues such as whining or grinding noises, which were attributed to problems with the pinion shafts in the front carrier assembly.

Additional Notes:

My 2021 Toyota Highlander experienced transmission problems mainly related to the transmission models. My vehicles reported issues such as whining or grinding noises, which were attributed to problems with the pinion shafts in the front carrier assembly.

Manufacturer: TOYOTA
Mfg Campaign: 11670791
Notice Date: Jul 2, 2025
Recall Date: Jul 2, 2025
Toyota Motor Corporation
Campaign: 11670880 Other
Jul 2, 2025
Defect Description:

STRUCTURE:BODY:BUMPERS

Potential Consequences:

The contact owns a 2021 Toyota Highlander. The contact stated that while driving on the highway at 65 MPH, the front bumper became detached. There was no warning light illuminated. The contact pulled over and zip-tied the bumper to the frame of the vehicle. The vehicle was not repaired. The contact referenced NHTSA Campaign Number: 23V720000 (STRUCTURE); as a possible cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 47,330.

Corrective Action:

The contact owns a 2021 Toyota Highlander. The contact stated that while driving on the highway at 65 MPH, the front bumper became detached. There was no warning light illuminated. The contact pulled over and zip-tied the bumper to the frame of the vehicle. The vehicle was not repaired. The contact referenced NHTSA Campaign Number: 23V720000 (STRUCTURE); as a possible cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 47,330.

Additional Notes:

The contact owns a 2021 Toyota Highlander. The contact stated that while driving on the highway at 65 MPH, the front bumper became detached. There was no warning light illuminated. The contact pulled over and zip-tied the bumper to the frame of the vehicle. The vehicle was not repaired. The contact referenced NHTSA Campaign Number: 23V720000 (STRUCTURE); as a possible cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 47,330.

Manufacturer: TOYOTA
Mfg Campaign: 11670880
Notice Date: Jul 2, 2025
Recall Date: Jul 2, 2025
Toyota Motor Corporation
Campaign: 11669130 Other
Jun 25, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

I have a high pitched whine noise during acceleration from the transmission area. The noise gets louder with acceleration but goes away immediately when I take my foot off the gas pedal and starts again when you press the gas pedal again.

Corrective Action:

I have a high pitched whine noise during acceleration from the transmission area. The noise gets louder with acceleration but goes away immediately when I take my foot off the gas pedal and starts again when you press the gas pedal again.

Additional Notes:

I have a high pitched whine noise during acceleration from the transmission area. The noise gets louder with acceleration but goes away immediately when I take my foot off the gas pedal and starts again when you press the gas pedal again.

Manufacturer: TOYOTA
Mfg Campaign: 11669130
Notice Date: Jun 25, 2025
Recall Date: Jun 25, 2025
Toyota Motor Corporation
Campaign: 11669227 Other
Jun 25, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

[XXX] [XXX] [XXX] [XXX] [XXX] Vin # [XXX] 2021 Toyota Highlander 4DR AWD XLE I am writing to report a potentially dangerous transmission defect in my 2021 Toyota Highlander XLE, at approx. 60-70k miles. The vehicle recently developed a high-pitched whining noise while accelerating, which a certified Toyota service technician suspects is internal to the transmission. This exact issue is outlined in Toyota Technical Service Bulletin T-SB-0008-21, issued February 9, 2021, for 2021 Highlanders equipped with the UA80E or UA80F 8-speed automatic transmission. According to the TSB, the cause is worn pinion shafts in the front carrier assembly, and the prescribed repair is complete transmission replacement. Unfortunately, my vehicle was just outside the 60,000-mile powertrain warranty window, despite experiencing the failure consistent with a known manufacturer defect. Numerous other owners have reported identical symptoms between 60,000–80,000 miles, often facing repair costs over $8,000 and multi-week delays due to part availability. This is not a typical wear-and-tear issue. A failure of the transmission at highway speeds or during critical maneuvers could lead to loss of power or control, posing a real safety risk to drivers and passengers. I respectfully urge the NHTSA to investigate this issue further. I am happy to provide: Thank you for your commitment to driver safety. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Corrective Action:

[XXX] [XXX] [XXX] [XXX] [XXX] Vin # [XXX] 2021 Toyota Highlander 4DR AWD XLE I am writing to report a potentially dangerous transmission defect in my 2021 Toyota Highlander XLE, at approx. 60-70k miles. The vehicle recently developed a high-pitched whining noise while accelerating, which a certified Toyota service technician suspects is internal to the transmission. This exact issue is outlined in Toyota Technical Service Bulletin T-SB-0008-21, issued February 9, 2021, for 2021 Highlanders equipped with the UA80E or UA80F 8-speed automatic transmission. According to the TSB, the cause is worn pinion shafts in the front carrier assembly, and the prescribed repair is complete transmission replacement. Unfortunately, my vehicle was just outside the 60,000-mile powertrain warranty window, despite experiencing the failure consistent with a known manufacturer defect. Numerous other owners have reported identical symptoms between 60,000–80,000 miles, often facing repair costs over $8,000 and multi-week delays due to part availability. This is not a typical wear-and-tear issue. A failure of the transmission at highway speeds or during critical maneuvers could lead to loss of power or control, posing a real safety risk to drivers and passengers. I respectfully urge the NHTSA to investigate this issue further. I am happy to provide: Thank you for your commitment to driver safety. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Additional Notes:

[XXX] [XXX] [XXX] [XXX] [XXX] Vin # [XXX] 2021 Toyota Highlander 4DR AWD XLE I am writing to report a potentially dangerous transmission defect in my 2021 Toyota Highlander XLE, at approx. 60-70k miles. The vehicle recently developed a high-pitched whining noise while accelerating, which a certified Toyota service technician suspects is internal to the transmission. This exact issue is outlined in Toyota Technical Service Bulletin T-SB-0008-21, issued February 9, 2021, for 2021 Highlanders equipped with the UA80E or UA80F 8-speed automatic transmission. According to the TSB, the cause is worn pinion shafts in the front carrier assembly, and the prescribed repair is complete transmission replacement. Unfortunately, my vehicle was just outside the 60,000-mile powertrain warranty window, despite experiencing the failure consistent with a known manufacturer defect. Numerous other owners have reported identical symptoms between 60,000–80,000 miles, often facing repair costs over $8,000 and multi-week delays due to part availability. This is not a typical wear-and-tear issue. A failure of the transmission at highway speeds or during critical maneuvers could lead to loss of power or control, posing a real safety risk to drivers and passengers. I respectfully urge the NHTSA to investigate this issue further. I am happy to provide: Thank you for your commitment to driver safety. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Manufacturer: TOYOTA
Mfg Campaign: 11669227
Notice Date: Jun 25, 2025
Recall Date: Jun 25, 2025
Toyota Motor Corporation
Campaign: 11668835 Other
Jun 24, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

There is a known defect with transmissions in certain model years of Toyota cars, mine being one of them, per this TSB: [XXX] The transmission can catastrophically fail but Toyota will not replace the defective part unless the vehicle is still under warranty. I had the Toyota dealer verify that the transmission is beginning to fail and requires replacement. The transmission has begun to emit a "whining" noise. Should the transmission fail catastrophically during operation, it could cause a sudden loss of power, seize a drive wheel, or another event causing a loss of vehicle control. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Corrective Action:

There is a known defect with transmissions in certain model years of Toyota cars, mine being one of them, per this TSB: [XXX] The transmission can catastrophically fail but Toyota will not replace the defective part unless the vehicle is still under warranty. I had the Toyota dealer verify that the transmission is beginning to fail and requires replacement. The transmission has begun to emit a "whining" noise. Should the transmission fail catastrophically during operation, it could cause a sudden loss of power, seize a drive wheel, or another event causing a loss of vehicle control. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Additional Notes:

There is a known defect with transmissions in certain model years of Toyota cars, mine being one of them, per this TSB: [XXX] The transmission can catastrophically fail but Toyota will not replace the defective part unless the vehicle is still under warranty. I had the Toyota dealer verify that the transmission is beginning to fail and requires replacement. The transmission has begun to emit a "whining" noise. Should the transmission fail catastrophically during operation, it could cause a sudden loss of power, seize a drive wheel, or another event causing a loss of vehicle control. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Manufacturer: TOYOTA
Mfg Campaign: 11668835
Notice Date: Jun 24, 2025
Recall Date: Jun 24, 2025
Toyota Motor Corporation
Campaign: 11668934 Other
Jun 24, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

The transmission has gone out on my 2021 Highlander. It was inspected by the Toyota dealer. I was told by them that this is a known issue with these trucks. There are no warning lights but just a whine when driving the car and I believe it does put my safety as well as other at risk as this could go out at any moment.

Corrective Action:

The transmission has gone out on my 2021 Highlander. It was inspected by the Toyota dealer. I was told by them that this is a known issue with these trucks. There are no warning lights but just a whine when driving the car and I believe it does put my safety as well as other at risk as this could go out at any moment.

Additional Notes:

The transmission has gone out on my 2021 Highlander. It was inspected by the Toyota dealer. I was told by them that this is a known issue with these trucks. There are no warning lights but just a whine when driving the car and I believe it does put my safety as well as other at risk as this could go out at any moment.

Manufacturer: TOYOTA
Mfg Campaign: 11668934
Notice Date: Jun 24, 2025
Recall Date: Jun 24, 2025
Toyota Motor Corporation
Campaign: 11667488 Other
Jun 17, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

Whine noise when vehicle is in motion and accelerating. Took it to the dealer for inspection, and advise to replace the transmission

Corrective Action:

Whine noise when vehicle is in motion and accelerating. Took it to the dealer for inspection, and advise to replace the transmission

Additional Notes:

Whine noise when vehicle is in motion and accelerating. Took it to the dealer for inspection, and advise to replace the transmission

Manufacturer: TOYOTA
Mfg Campaign: 11667488
Notice Date: Jun 17, 2025
Recall Date: Jun 17, 2025
Toyota Motor Corporation
Campaign: 11666993 Other
Jun 15, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

Transmission makes whine noise upon accelerating. Cannot be fixed except with new transmission. The longer you drive, the longer it affects and damages other parts. Mechanic was amazed that my relatively new Toyota needed over $10k in repairs. Toyota denying there’s a problem.

Corrective Action:

Transmission makes whine noise upon accelerating. Cannot be fixed except with new transmission. The longer you drive, the longer it affects and damages other parts. Mechanic was amazed that my relatively new Toyota needed over $10k in repairs. Toyota denying there’s a problem.

Additional Notes:

Transmission makes whine noise upon accelerating. Cannot be fixed except with new transmission. The longer you drive, the longer it affects and damages other parts. Mechanic was amazed that my relatively new Toyota needed over $10k in repairs. Toyota denying there’s a problem.

Manufacturer: TOYOTA
Mfg Campaign: 11666993
Notice Date: Jun 15, 2025
Recall Date: Jun 15, 2025
Toyota Motor Corporation
Campaign: 11666931 Other
Jun 14, 2025
Defect Description:

SERVICE BRAKES

Potential Consequences:

Yesterday, as I do a couple times a month, I went to switch parking places, putting my 2021 Toyota Highlander where my 2007 Mazda was parked, in order to drive it and keep the battery from dying. After starting both cars I first moved the Mazda to make room for the Toyota. As I was slowly steering the Toyota at (idle speed) into the now vacant parking spot, the car accelerated on it's own, prompting me to hit the brakes, but to no avail. The car jumped the curb hitting, knocking over and and damaging a large ceramic planter and small tree in my neighbor's yard. My split second reaction upon having no brakes and a run away car was to push it out of drive, which ended up putting the car into reverse, causing a harsh jolt, followed by the car accelerating again on it's own, in reverse towards another neighbor's garage. I live in a condo complex, so all of this took place within about 30 feet of forward/backward/forward motion. My second split second decision (with no brakes) to avoid smashing into the garage was throwing it back into drive, which sent it accelerating back towards the parking place again. This time I had the presence of mind to push the power button on the dash, allowing me to barely come to stop before jumping the curb again. Whole thing lasted about 15 seconds. I had an appointment to attend, so after a brief conversation explaining to my (now outside) neighbor what happened, I left in the older car. Returning later in the day I found damage to the front of my Toyota and wonder if my transmission is damaged as well. I'm reimbursing my neighbor today. I've not attempted to drive the Toyota since, and am seeking your advice on how best to proceed, whether I should initiate contact with Toyota regarding this incident, or is that something you should initiate? Please advise. Thank you.

Corrective Action:

Yesterday, as I do a couple times a month, I went to switch parking places, putting my 2021 Toyota Highlander where my 2007 Mazda was parked, in order to drive it and keep the battery from dying. After starting both cars I first moved the Mazda to make room for the Toyota. As I was slowly steering the Toyota at (idle speed) into the now vacant parking spot, the car accelerated on it's own, prompting me to hit the brakes, but to no avail. The car jumped the curb hitting, knocking over and and damaging a large ceramic planter and small tree in my neighbor's yard. My split second reaction upon having no brakes and a run away car was to push it out of drive, which ended up putting the car into reverse, causing a harsh jolt, followed by the car accelerating again on it's own, in reverse towards another neighbor's garage. I live in a condo complex, so all of this took place within about 30 feet of forward/backward/forward motion. My second split second decision (with no brakes) to avoid smashing into the garage was throwing it back into drive, which sent it accelerating back towards the parking place again. This time I had the presence of mind to push the power button on the dash, allowing me to barely come to stop before jumping the curb again. Whole thing lasted about 15 seconds. I had an appointment to attend, so after a brief conversation explaining to my (now outside) neighbor what happened, I left in the older car. Returning later in the day I found damage to the front of my Toyota and wonder if my transmission is damaged as well. I'm reimbursing my neighbor today. I've not attempted to drive the Toyota since, and am seeking your advice on how best to proceed, whether I should initiate contact with Toyota regarding this incident, or is that something you should initiate? Please advise. Thank you.

Additional Notes:

Yesterday, as I do a couple times a month, I went to switch parking places, putting my 2021 Toyota Highlander where my 2007 Mazda was parked, in order to drive it and keep the battery from dying. After starting both cars I first moved the Mazda to make room for the Toyota. As I was slowly steering the Toyota at (idle speed) into the now vacant parking spot, the car accelerated on it's own, prompting me to hit the brakes, but to no avail. The car jumped the curb hitting, knocking over and and damaging a large ceramic planter and small tree in my neighbor's yard. My split second reaction upon having no brakes and a run away car was to push it out of drive, which ended up putting the car into reverse, causing a harsh jolt, followed by the car accelerating again on it's own, in reverse towards another neighbor's garage. I live in a condo complex, so all of this took place within about 30 feet of forward/backward/forward motion. My second split second decision (with no brakes) to avoid smashing into the garage was throwing it back into drive, which sent it accelerating back towards the parking place again. This time I had the presence of mind to push the power button on the dash, allowing me to barely come to stop before jumping the curb again. Whole thing lasted about 15 seconds. I had an appointment to attend, so after a brief conversation explaining to my (now outside) neighbor what happened, I left in the older car. Returning later in the day I found damage to the front of my Toyota and wonder if my transmission is damaged as well. I'm reimbursing my neighbor today. I've not attempted to drive the Toyota since, and am seeking your advice on how best to proceed, whether I should initiate contact with Toyota regarding this incident, or is that something you should initiate? Please advise. Thank you.

Manufacturer: TOYOTA
Mfg Campaign: 11666931
Notice Date: Jun 14, 2025
Recall Date: Jun 14, 2025
Toyota Motor Corporation
Campaign: 11666931 Other
Jun 14, 2025
Defect Description:

FUEL/PROPULSION SYSTEM

Potential Consequences:

Yesterday, as I do a couple times a month, I went to switch parking places, putting my 2021 Toyota Highlander where my 2007 Mazda was parked, in order to drive it and keep the battery from dying. After starting both cars I first moved the Mazda to make room for the Toyota. As I was slowly steering the Toyota at (idle speed) into the now vacant parking spot, the car accelerated on it's own, prompting me to hit the brakes, but to no avail. The car jumped the curb hitting, knocking over and and damaging a large ceramic planter and small tree in my neighbor's yard. My split second reaction upon having no brakes and a run away car was to push it out of drive, which ended up putting the car into reverse, causing a harsh jolt, followed by the car accelerating again on it's own, in reverse towards another neighbor's garage. I live in a condo complex, so all of this took place within about 30 feet of forward/backward/forward motion. My second split second decision (with no brakes) to avoid smashing into the garage was throwing it back into drive, which sent it accelerating back towards the parking place again. This time I had the presence of mind to push the power button on the dash, allowing me to barely come to stop before jumping the curb again. Whole thing lasted about 15 seconds. I had an appointment to attend, so after a brief conversation explaining to my (now outside) neighbor what happened, I left in the older car. Returning later in the day I found damage to the front of my Toyota and wonder if my transmission is damaged as well. I'm reimbursing my neighbor today. I've not attempted to drive the Toyota since, and am seeking your advice on how best to proceed, whether I should initiate contact with Toyota regarding this incident, or is that something you should initiate? Please advise. Thank you.

Corrective Action:

Yesterday, as I do a couple times a month, I went to switch parking places, putting my 2021 Toyota Highlander where my 2007 Mazda was parked, in order to drive it and keep the battery from dying. After starting both cars I first moved the Mazda to make room for the Toyota. As I was slowly steering the Toyota at (idle speed) into the now vacant parking spot, the car accelerated on it's own, prompting me to hit the brakes, but to no avail. The car jumped the curb hitting, knocking over and and damaging a large ceramic planter and small tree in my neighbor's yard. My split second reaction upon having no brakes and a run away car was to push it out of drive, which ended up putting the car into reverse, causing a harsh jolt, followed by the car accelerating again on it's own, in reverse towards another neighbor's garage. I live in a condo complex, so all of this took place within about 30 feet of forward/backward/forward motion. My second split second decision (with no brakes) to avoid smashing into the garage was throwing it back into drive, which sent it accelerating back towards the parking place again. This time I had the presence of mind to push the power button on the dash, allowing me to barely come to stop before jumping the curb again. Whole thing lasted about 15 seconds. I had an appointment to attend, so after a brief conversation explaining to my (now outside) neighbor what happened, I left in the older car. Returning later in the day I found damage to the front of my Toyota and wonder if my transmission is damaged as well. I'm reimbursing my neighbor today. I've not attempted to drive the Toyota since, and am seeking your advice on how best to proceed, whether I should initiate contact with Toyota regarding this incident, or is that something you should initiate? Please advise. Thank you.

Additional Notes:

Yesterday, as I do a couple times a month, I went to switch parking places, putting my 2021 Toyota Highlander where my 2007 Mazda was parked, in order to drive it and keep the battery from dying. After starting both cars I first moved the Mazda to make room for the Toyota. As I was slowly steering the Toyota at (idle speed) into the now vacant parking spot, the car accelerated on it's own, prompting me to hit the brakes, but to no avail. The car jumped the curb hitting, knocking over and and damaging a large ceramic planter and small tree in my neighbor's yard. My split second reaction upon having no brakes and a run away car was to push it out of drive, which ended up putting the car into reverse, causing a harsh jolt, followed by the car accelerating again on it's own, in reverse towards another neighbor's garage. I live in a condo complex, so all of this took place within about 30 feet of forward/backward/forward motion. My second split second decision (with no brakes) to avoid smashing into the garage was throwing it back into drive, which sent it accelerating back towards the parking place again. This time I had the presence of mind to push the power button on the dash, allowing me to barely come to stop before jumping the curb again. Whole thing lasted about 15 seconds. I had an appointment to attend, so after a brief conversation explaining to my (now outside) neighbor what happened, I left in the older car. Returning later in the day I found damage to the front of my Toyota and wonder if my transmission is damaged as well. I'm reimbursing my neighbor today. I've not attempted to drive the Toyota since, and am seeking your advice on how best to proceed, whether I should initiate contact with Toyota regarding this incident, or is that something you should initiate? Please advise. Thank you.

Manufacturer: TOYOTA
Mfg Campaign: 11666931
Notice Date: Jun 14, 2025
Recall Date: Jun 14, 2025

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