Power Train Related Problems of the 2021 Toyota Highlander

Table 1 shows two common power train related problems of the 2021 Toyota Highlander. The number one most common problem is related to the power train (198 problems). The second most common problem is related to the automatic transmission (two problems).

Table 1. Power Train related problems of Toyota Highlander

Problem Category Number of Problems
Power Train problems
198
Automatic Transmission problems
2

Recently reported Power Train problems of the 2021 Toyota Highlander

The Power Train problem

This vehicle was purchased new in 2021 with 4 original miles. Today it has 58,000 miles and has been maintained, per manufacturer recommendations, a certified Toyota dealership. At around 56,000 miles we noticed a slight whine in first gear.   Read details...

The Automatic Transmission problem

My vehicle has 67,100 miles. A whining/whistling noise recently started and the dealer has diagnosed that a new transmission is needed at a cost of $6,000-$8,000 and it is out of warranty. Researching this shows that this is a known manufacturing defect referred to under t-sb-0008-21.   Read details...


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



Highlander Service Bulletins
Highlander Safety Recalls
Highlander Defect Investigations