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Power Train
08/02/2024
whining sound in the transmission, including high-pitched whining, erratic shifting, clunks, hesitation, and premature failure. These vehicles are equipped with the UA80F (AWD) and UA80E (FWD) 8-speed automatic transmissions.
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Power Train
08/12/2026
Transmission failure happened suddenly. I pulled out of a car wash and car would not accelerate. I was in heavy traffic and car wouldn’t move.
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Unknown Or Other
08/14/2026
The position of the screen monitor for the backup camera is hard to see when the sun creates a glare on the front windshield.
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Forward Collision Avoidance
04/20/2026
The Pre-Collision System (PCS) failed to engage the automatic emergency braking during a stop-and-go traffic, thereby, resulting in rear-ending the vehicle ahead of our 2018 Highlander Limited vehicle. Our Highlander was at a complete stop, then when the traffic moved slowly forward, we too started moving forward but didn't realize the vehicle ahead of us had suddenly stopped again. Our Highlander alerted us with high-pitched beep-beep-beep sound, but it didn't stop before colliding with the rear of the vehicle ahead of us. The speed couldn't have been more than 10 MPH since it started out from a complete stop and the distance traveled before the collision was about 40 feet. There were no warning lamps, messages or other symptoms of the problem prior to the collision. It always beeped, like it should, when there were nearby obstacles, pedestrians, and when we got closer to the end of our garage parking space, etc. PCS sensitivity was set at the highest level (3 bars).
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Power Train
03/01/2026
Vehicle has a high pitch whine on acceleration. Was diagnosed by Toyota dealer. Advised to replace the transmission. This VIN is not included in the CSP ZJC warranty but is a 2018 and is experiencing the same issue. Sound began at 110k miles.
