The contact owns a 2019 Toyota Highlander. The contact stated that while stopped at a traffic light, the vehicle failed to accelerate as intended while depressing the accelerator pedal. No warning lights were illuminated. A passerby helped push the vehicle to the side of the road. The vehicle was towed to the dealer, where the vehicle was inspected, and the contact was informed that the transmission had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 143,335.
2019 Toyota Highlander transmission complaints
Page 6 of 8: complaints 131 to 160 of 217, newest first, as owners wrote them.
The transmission has exhibited signs of premature failure due to an internal component defect. The only indication was a whining noise when accelerating. This was first noticed around July 2025 when the car had about 78,000 miles on it. The car was later inspected by the Toyota dealer on 08/20/2025 with 79,253 miles on it. The Toyota dealer determined that "the noise being heard was the transmission becoming faulty" and prescribed replacing the transmission "as soon as possible." This is a safety concern if the transmission suddenly fails while driving, but I am not going to wait for that to happen before replacing it.
SUV has a pronounced whine coming from the transmission. This started at approximately 85,000 - 90,000 miles and has progressively gotten louder. The car currently has 96,000 miles on it. As I understand it Toyota has issues multiple technical service bulletin about this exact issue covering the 2017-2018 highlander but my 2019 is not covered even though it has the exact same 8 transmission. I have not taken this to the dealer as I understand it would not be covered under the factory power train warranty which is 5 years or 60,000 miles. I've purchased several Toyota vehicles over multiple decades, but with this issue on a vehicle that is not yet 7 years old I am a bit dissapointed and will not be purchasing any more toyota vehicles. Since this issue is specifically related to the powertrain it is most certainly a SAFETY related issue when this transmission fails.
Severe whining from drivetrain car had less then 80,000 when problem started. Dealership has no answer. Car has drivetrain transmission UA80F which has numerous documented issues and has been used in many vehicles which all has same drivetrain problems. This is known problem at Toyota Motor Sales. This issue can cause vehicle transmission to just fail and leave car valueless. The whining has been getting worse every time driven.
At approximately 64,607 miles, my 2019 Toyota Highlander experienced a complete transmission failure. The vehicle had. been properly maintained. There were no warning lights prior to the failure. The transmission began making a high-pitched whining noise, followed by difficulty shifting. Research shows that many other 2019 Highlander owners have reported the same issue, often described as the "death whine," occurring between 50,000-100,000 miles. These failures appear related to the UA80 8 -speed automatic transmission, which has already been the subject of service programs in earlier 2017-2018 Toyota vehicles. Transmission replacement cost range from $7,000 - $10,000, with parts frequently on backorder. A major drivetrain failure at such low milage, raises significant safety concerns, and appears to be a recurring defect that warrants investigation.
Transmission started whining at 90k miles and has failed
The contact owns a 2019 Toyota Highlander. The contact stated that while driving at various speeds, upon depressing the accelerator pedal, there was an abnormal whining sound coming from the vehicle. There was no warning light illuminated. The vehicle was taken to a local dealer, where it was diagnosed, and the contact was informed that the transmission was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 51,000.
8/15: I was informed that the had a transmission failure requiring full replacement. The highlander is a 2019 SE with a UA80 transmission which we have now discovered has multiple complaints against it. Our car only has 108,000 miles and has been maintained with all required maintenance a full transmission service.
I was nearly in an accident because the vehicle was unable to accelerate quickly due to transmission shift delay.
The contact owns a 2019 Toyota Highlander. The contact stated that on several occasions while driving at various speeds, there was an abnormal whining sound emanating from the front of the vehicle. The vehicle was taken to a dealer where it was diagnosed that the transmission needed to be replaced; however, there was a back log on the part. The manufacturer was notified of the failure. The failure mileage was approximately 70,000.
Car started to make whining noise when accelerating, was taken to a car repair shop & it was found that the transmission will need to be replaced with only around 43k miles on the vehicle. Let it be noted that there are many other people on numerous Toyota forums complaining of the same issues.
I’m reporting a drivetrain and engine performance issue affecting my 2019 Toyota Highlander, which I believe is related to Toyota's T-SB-0160-18, T-SB-0008-21, and Customer Support Program ZJC (CSP ZJC). My vehicle is exhibiting the same symptoms like: 1. Intermittent engine misfires (no consistent CEL, but noticeable during driving) 2. Hesitation and shuddering during light or moderate acceleration 3. Unintended surging/lunging — the vehicle will randomly jerk forward without throttle input 4. Whining noise under acceleration, which appears to come from the engine bay These symptoms negatively affect vehicle control and driver confidence, especially when merging, passing, or driving in traffic. The behavior is unpredictable and poses a potential safety hazard. After researching, I found that Toyota issued T-SB-0160-18 and T-SB-0008-21 for this engine, acknowledging similar performance issues due to valve train irregularities and ECM programming. Toyota also released Customer Support Program ZJC, offering limited support to some VINs. However, despite my vehicle showing the same symptoms, it is not included in the CSP, and Toyota has not offered assistance without out-of-pocket costs. This issue appears to be more widespread than Toyota’s internal VIN list suggests. Many Highlander owners have reported the same issues online, and I believe Toyota should take responsibility for correcting these performance defects under a recall, not a limited CSP. I respectfully request that the federal safety agency investigate the scope and validity of Toyota's CSP ZJC and TSBs related to the 2GR-FKS engine and push Toyota to expand CSP ZJC or issue a formal recall to cover all affected vehicles based on symptoms, not just VINs
Defect with Transmission as hundreds of other people if not, thousands have already stated. Whining noise from Transmission after only 70,000 miles such a big issue that Toyota has a backorder on replacement transmissions.
Transmission started making a whining noise. Auto shop confirmed it will need a new transmission.
A wine and hard shifting, toyota does not agree. I experience this issue several times a day. Taking it into the dealership again to try to diagnose.
There has been a high incidence of this model of Toyota Highlander having faulty transmissions. My vehicle had 129,000 when the transmission failed. It was metal shavings in the fluid. I’m hoping you will put pressure on Toyota to recall or help replace these transmissions. Thank you.
• Transmission Failure. Inspection is available upon request. • We do not know if we are at risk if the transmission fails while driving. • Certified Toyota Dealership diagnosed and deemed failure – recommends full replacement • Component was inspected by a certified Toyota dealership • No warning lights
Less than 95k miles. Dealer says transmission needs replaced and cooler. Bought new- owned 5 years and 2 months. Many other 2019 highlanders online stating same problem.
Hello, it seems that my vehicle is having a whirling noise when accelerating at different RPMs. When I researched, it isn’t an isolated incident because many others online are experiencing the same issue with most of them being told that the transmission must be replaced. And further investigation, I found that the issue could be the trans axle assembly component which can cause issues if not replaced.
Upon acceleration, the engine revved high and a whine sound started once the car (2019 Highlander XLE) approached 25-40 miles per hour. It appears that this is a transmission issue that Toyota was aware about years before selling the 2019 (and later) Highlander and other models (according to consumer complaints online). The car has 92,700 miles on it and is thus out of warranty. It had a recall in 2020 though I do not know exactly what was allegedly fixed. Had Toyota disclosed these serious transmission issues, I would not have purchased the car. My local mechanic has advised that the transmission will need to be replaced at a high cost.
At approximately 85K miles my 2019 Highlander began to exhibit a high pitched “whirring” sound upon accelerating. The noise stops once you take your foot off the gas. I brought the vehicle to my local Toyota dealership to investigate the noise. They concluded that it is the transmission and I would need to replace the entire transmission. There are no warning lights or other indications aside from the sound. Transmission fluid is clear of any shavings or other indicators of an issue. Toyota service stated they could not tell me if or when the transmission might fail, just that it should be replaced. There are multiple reports of similar occurrences on online Toyota forums. There are also recalls for the exact same sound for the 2018 Highlander. I opened a case with Toyota customer service and was told there was nothing they could do to assist.
2019Toyota Highlander = Transmission whine and hard shift at times, Needs replacement transmission at 106,000 mile , no codes stored
A whinning noise can be heard from car while driving. Vehicle has just under 60k miles and dealer is saying the transmission is failing and it would need to be replaced. There was no warning lights or indication on display.
2019 toyota highlander bought 3/15/25 with approximately 82,000 miles. Started making whining noise 4/7/25. On 4/9/25 took vehicle to dealer 4/11/25 notified need new transmission and transaxle seal need on new transmission. 2 weeks later on 4/25/25 picked up vehicle drove home 3 days later noticed gear oil leaking and sprayed all over under chassis. Vehicle brought back to dealer on 4/29/25. On 4/30/25 notified needs new transaxle seal on new transmission. Notified on 5/9/25 new transmission will need to be replaced again. They stated there is gouging/nicks where transaxle and transmission connect. Dealer is saying there is no transmission to put in. Toyota has put a stop to all transmissions. So now I have a vehicle with only 82,000 miles and no way to fix it.
Transmission failed while driving down the highway almost causing an incident. These transmissions are very unsafe and should be recalled. Toyota refuses to take responsibility for this year Highlander although it is the same 80ua transmission that was recalled in the 2017 and 2018. While Toyota has said this problem has been remedied in the later years it is very false. Please do an investigation on this before people get hurt from accidents if they haven’t already.
The contact owns a 2019 Toyota Highlander. The contact stated while driving at an undisclosed speed, the contact became aware of an abnormal whining sound coming from the vehicle, and the transmission was shifting hard. No warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed with transmission failure. The contact was informed that the transmission needed to be replaced. The vehicle was not yet repaired. The manufacturer was made aware of the failure, and a case was filed. The contact was referred to the federal safety agency Hotline to report the failure. The failure mileage was approximately 95,000.
Transmission makes a whine noise and also experiencing some harsh shifting. Dealership confirmed the whine noise is an indication of transmission failure and they recommend replacing the transmission. Toyota needs to do a recall on this transmission!!
the transmission completely failed. it is at Spitzer Toyota in Monroville. PA
Needs transmission at 90,000 miles - original owner - well maintained car- manufacture defect according to dealer According to various websites other 2019 Toyota Highlanders have had similar issues Had 2009 Highlander that lasted til almost 200,000 with no Issues
We have noticed a whinning noise as we accelerate the vehicle. Doing some investigation online I came across a lot of threads with the same issue. Seems to be the transmission. Reached out to a Toyota tech friend and he mentioned it is the transmission. They have had several Highlanders and Camry with the same issue.
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