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 (102 problems). The second most common problem is related to the automatic transmission (one problem).

Table 1. Power Train related problems of Toyota Highlander


Recently reported Power Train problems of the 2020 Toyota Highlander

The Power Train problem

The transmission failed. It is available for inspection. Should the transmission have completely failed on the road, it could have lead to an accident. Per the dealership diagnostic: replace transmission and torque converter assembly with applicable seals due to internal transmission failure.   Read details...

The Automatic Transmission problem

The contact owns a 2020 Toyota Highlander. The contact stated that while driving at an undisclosed speed and attempting to accelerate, he heard an abnormal sound emanating from the engine compartment. No warning lights were illuminated.   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