Power Train Related Problems of the 2020 Toyota Highlander

Table 1 shows five common power train related problems of the 2020 Toyota Highlander. The number one most common problem is related to the power train (111 problems). The second most common problem is related to the automatic transmission (two problems).

Table 1. Power Train related problems of Toyota Highlander


Recently reported Power Train problems of the 2020 Toyota Highlander

The Power Train problem

I am submitting this complaint regarding a sudden and unexpected transmission failure in my 2020 Toyota Highlander. The vehicle experienced a major transmission malfunction without any prior warning signs, dashboard warning lights, diagnostic messages, or noticeable drivability issues.   Read details...

The Automatic Transmission problem

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 Differential Unit problem

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...


Power Train related problems in other Toyota Highlander model year vehicles:



Highlander Service Bulletins
Highlander Safety Recalls
Highlander Defect Investigations