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 (159 problems). The second most common problem is related to the automatic transmission (one problem).
| Problem Category | Number of Problems |
|---|---|
| Power Train problems | |
| Automatic Transmission problems |
Transmission. My 2021 Toyota Highlander with approximately 94,500 miles developed a consistent whining noise during acceleration. The issue occurs daily during normal driving and appears to be worsening. Read details...
The contact owns a 2021 Toyota Highlander. The contact stated that while driving at 40 mph, there was an abnormal whining sound coming from the front of the vehicle. There was no warning light illuminated. The dealer was contacted. The vehicle was not diagnosed or repaired. Read details...