2019 Toyota Highlander

Transmission is giving a whining noice when accelerating. Took it to Toyota dealer, they said the transmission needs to be changed and it will cost me $11,000 . There are many complaints online about these UA80 Transmissions and the root cause is listed to an assembly problem during production but Toyota will not accept this and will not help to replace it

When accelerating, started hearing a whining noise. Took to mechanic, said it was the transmission. Called Toyota and they had us bring it in for diagnostics. Also said we needed a new transmission. Quoted at over 13K - could fail at any time. This should not be happening in a 2019 vehicle and seems to be a known issue that Toyota is not doing anything to address.

Vehicle has experienced sudden stalling while driving and an intermittent Check Engine Light with Diagnostic Trouble Code (DTC) P107B — Fuel Rail Pressure Sensor “B” Circuit Range/Performance. This is the exact condition covered by Toyota Technical Service Bulletins T-SB-0050-20 and T-SB-009-23, and Customer Support Program 23TE04 (Denso low-pressure fuel pump settlement coverage, valid until July 15, 2036 or 150,000 miles). Timeline: • Late April 2026 (while driving ~300–400 miles from home): Vehicle stalled without warning at a red light. • May 5, 2026 (while driving on freeway ~50–75 miles from home): Check Engine Light illuminated. AutoZone scan and dealer diagnostic tool both confirmed DTC P107B. • May 5, 2026: Dealer performed health check using Toyota GTS+ tool (see attached screenshot taken at 15:58:01). Screen clearly shows “PERMANENT: YES” confirming a permanent stored fault code. • May 5–15, 2026: Crown Toyota (Ontario, CA) confirmed the code was present on arrival (Repair Order 2842115 dated 05/15/26). They later cleared the code, performed a short test drive, could not duplicate the fault at that moment, and closed the repair order as “inconclusive.” They refused the low-pressure fuel pump replacement under Customer Support Program 23TE04 even though corporate cases #260505002096 and #260515002110 had previously confirmed eligibility based on the prior pump replacement (9/11/2021, RO #1764477). The issue is known to be intermittent and occurs under load/highway conditions. This creates a serious safety risk of sudden loss of power while driving. T-SB-0050-20 specifically directs dealers to replace the low-pressure fuel pump assembly when P107B is present on 2018–2019 Highlander Hybrids, and T-SB-009-23 provides the official repair procedure under CSP 23TE04. I have attached: (1) the dealer repair order RO 2842115, and (2) the May 5, 2026 GTS+ diagnostic screenshot showing the permanent DTC. Please investigate this as a potential safety defect.

The contact owns a 2019 Toyota Highlander. The contact stated while driving 70 MPH, on the highway. the contact notice an abnormal noise coming from the transmission. A dealer was contacted. The vehicle was taken to the dealer where it was diagnosed the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was notified on the failure and they informed him this will not b escalated and offered no further assistance. The approximate failure mileage was 133, 000.

The contact owns a 2019 Toyota Highlander. The contact stated that while driving approximately 60 MPH under a local under path the vehicles the braking system suddenly activated causing the vehicle to come to a complete stop. Previously the while driving at the same location the vehicle suddenly reduced speeds. The contact indicated that each time the failure had occurred the cruise control feature was activated. The cause of the failure was not determined. The manufacturer and local dealer were not yet contacted. The failure mileage was 80,000.

Around Halloween 2025 my Toyota’s Transmission started slipping. I called a few places and no one except Toyota would address the issue except a local shop in [XXX] , Ridge Auto Repair who after checking out the vehicle said they can’t repair it because the parts are not available November 6th, 2025, The Shop LAG LLC was recommended to me by a family member, and they came to check out the Toyota, and they were convinced it was the Torque Converter and wanted $1300 to fix it. I paid them and after a few weeks they claimed it was the Transmission and wanted more money which they were paid. Weeks went by and no updates from them and they weren’t responding to my messages. When they finally responded they started saying the starter was bad, the differential, the fly wheel, etc, Again, we paid them more money, and again weeks went by without any updates. We paid a total of $9000.00 Their last attempt to fix the vehicle also failed and I’m left with a vehicle with no transmission, the entire front end taken apart and scattered all over my property and this was their last response. “Oh lord. So the original place we got the transmission from denied the warranty, but at the time it wasnt a problem we have insurance. So we summited a claim and thats why it was going to be shipped from another place. Well they kept telling me that it was coming this day then that day. I got a letter denying the claim Instead. I have tried to fight it, but they ended up dropping us after that. We are willing to install one in for free if your able to get your hands on one, because this whole ordeal has been a nightmare, but we got denied due to mileage with the claim. There was a difference in our timestamped pictures and the adress of where it went once it left. So they said it was driven on with a problem, because it was moved to there with a problem thats what they are denying my claims to fight it. I didn't want to say anything until it was final and we kne INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMA

My car all of a sudden has this sudden humming/high pitch sound. I had mechanic checked and he said coming from the transmission. I checked the Toyota forum and there's a widespread issues with their transmission. The issue started with the year 2017, These vehicles are equipped with the UA80F (AWD) and UA80E (FWD) 8-speed automatic transmissions. My 2019 is equipped with the UA80E. Toyota already recognized that they have problems with the transmission but only issued a recall for vehicles 2017-2018. They need to include Toyota highlander 2019.

This vehicle safety complaint is regarding my 2019 Toyota Highlander XLE, VIN [XXX] . A Toyota-authorized dealership, Sansone Toyota in Avenel, New Jersey, documented that the front driver axle is prone to freezing in the differential. This is a serious safety concern because if the axle seizes while the vehicle is in motion, it could cause sudden loss of control. This vehicle is used regularly as our family vehicle, including to transport our family of 6 with our young children. I am extremely concerned about continued operation of the vehicle while this documented condition remains unresolved. In addition to this safety-related axle issue, this vehicle has a broader history of serious mechanical problems. On May 13, 2022, after a recent service visit at DCH Brunswick Toyota, I reported that when I pressed the gas the vehicle was making an unusual noise like an old car, that the car delayed to speed when I pressed the gas, that I had to press the gas all the way in order for the car to move faster, and that it was not like this prior to service. At approximately 25,000 miles, I also asked that the brakes be checked because when we drove the vehicle and used the brakes, the car made a startling sound. In 2023, I also reported hard/heavy steering and jerking while driving. I reported transmission-related abnormal noises and drivability concerns while the vehicle was still within Toyota’s powertrain warranty period, but the condition was not properly diagnosed at that time. The transmission has since been confirmed by authorized Toyota dealerships to require full replacement. The vehicle also has a documented engine oil leak, leaking shock absorber, and prior recall history involving a stalling condition. I've filed this complaint with NHTSA due to the axle-related safety risk. Toyota is now on written notice of that condition. Mileage: approximately 101,000 Documenting safety issue: Sansone Toyota, Avenel, NJ Please review this potential safety defect. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION

Hi. I have a Toyota 2019 Highlander EXL. My problems is the transmission started to have the small whining noise every time I accelerates and I it's happened over 18 months ago and I didn't know that is the issues until I brought it to the Toyota Dealer for 75k maintenance. The Dealer has told me that the noise was abnormal and it's from the transmission and it's will cost me $13 K to replace with a new one. I believe in Toyota quality but now I will have to really think about it again for the next purchase ?. I don't understand why Toyota has known this issues because of many reported but never intend to fixed it. I'm not so happy with this . Please ask ToyoTa Corp to answer and do take the responsibility before someone is getting hurds Thanks Tom le