2024 Toyota Highlander

The contact owns a 2024 Toyota Highlander. The contact stated that while driving at unknown speeds, the instrument cluster was blinking. The contact expressed that she was concerned that the vehicle was unsafe to drive. The contact received the recall notices of NHTSA Campaign Numbers: 25V744000 (Back Over Prevention) and 25V595000 (Electrical System); however, the part to do the recall repair of NHTSA Campaign Number: 25V595000 (Electrical System) was not yet available. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was contacted and filed a claim. The failure mileage was approximately 13,357.

On or about Oct, 3rd, 2025 , my vehicle experienced the 'Check Engine' light and all the warning lights lit up, the hybrid system failed to engage, the vehicle would say “park somewhere safe /take to dealer” . I immediately took the vehicle to the authorized Toyota dealership, Wonderies Toyota Alhambra , for diagnosis. They said they could not find anything, reset the sensors, and told us to come back if the problem persisted, and one hour later the system lights lit up again. We returned the same day and the dealership informed me that the issue is a severe corrosion of the underbody wiring harness , specifically citing external damage or 'spillage' as the cause. The estimated cost for a complete replacement of the wiring harness is approximately $6- 7,000.00. I contend that this corrosion is not the result of customer spillage but rather a manufacturing defect related to inadequate design, covering, or routing of the wiring harness, which makes it highly susceptible to road hazards, moisture, and environmental contaminants. Crucially, this issue appears to be covered under the Toyota Limited Service Campaign (LSC) related to wiring harness deterioration (LSC25TD01 / LSC-J02). Toyota states my vehicle is not covered however Toyotas own website states the Highlander HV 2024 has been added recently in Sep.2025 . I request that NHTSA review my case in light of this known issue to determine if the defect presents an unreasonable risk to safety and to urge Toyota to properly remedy this problem under the terms of the applicable coverage or warranty enhancement. I formally request that Toyota honor the spirit of the Limited Service Campaign LSC25TD01 and cover the full cost of the replacement wiring harness and labor. [XXX] [XXX] [XXX] [XXX] [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

>While exiting a highway my vehicle surged forward crashing into the vehicle in front of me.Engaging the brake, my car smashed into the van again. I had no control over the forward momentum of the car. >Both the driver & I were in danger of injury >The problem has not been addressed as my damaged car is being repaired >The vehicle has not been inspected >I was given no warning that the incident was forthcoming

My car has integrated CarPlay installed for mapping. When used wirelessly with all mapping services (Apple Maps, Waze, Goole Maps) my car will appear in fields, the wrong streets, in houses. I will be given directions to turn on streets that are not where I physically am. First I worked with Apple Customer Care for over 15 hours. They have determined it is not an Apple issue. They believe it is an issue with the GNSS module in the car. I took the car twice to the dealerships service departments. The first service department did not duplicate this issue. They told me I had to plug the phone in to not have the problem. My vehicle is bluetooth, it works wirelessly! The second dealership told me they didn't need to duplicate the issue because I was the second car in for service that day for the same problem. Their solution is for me to plug my phone in for correct mapping. This sometimes works, but only is I do it in a specific order after starting the car - start the car, let it boot up the radio/entertainment/integrated map, unplug the cable, replug the cable, then plug my phone it. This is all with a bluetooth enabled car. I have requested for the dealership to test the GNSS module or replace it and they have not. They have said they are waiting for the investigation. meanwhile, I drive around and my car is given directions through backyards and fields. It is a hazard! This all started when the car was three days old.