Toyota Highlander owners have reported 957 power train related problems since 1996. Table 1 shows the 23 most common power train problems. The number one most common problem is related to the vehicle's power train (752 problems). The second most common problem is related to the vehicle's automatic transmission (106 problems). For details of each of the problem category, use the links in the table.
This vehicle has a ua80 8-speed transmission that has prematurely failed. This is a known issue to Toyota and they have refused to provide a fix. It is a safety hazard when all acceleration stops when attempting to merge into heavy traffic (as had happened to me last week) or on a highway traveling Read details...
The contact owns a 2020 Toyota Highlander. The contact stated that while driving to the dealer for a service appointment, the vehicle made an abnormally high-pitched sound. The vehicle was diagnosed with a ua80 transmission failure. No further information was available. Read details...
The transmission failed suddenly. Read details...
The contact owns a 2020 Toyota Highlander. The contact stated while driving at various speeds and accelerating, the vehicle made an abnormal buzzing and clunking sound. The vehicle was taken to the dealer several times. Read details...
Transfer case making rotational bearing noise fluid have lots of metal debri Read details...