2025 Toyota Grand Highlander problems by component
71 owner complaints filed with NHTSA for the 2025 Toyota Grand Highlander, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Power Train → | 15 | 21% | — |
| Engine → | 11 | 15% | — |
| Fuel/propulsion System → | 11 | 15% | — |
| Structure | 9 | 13% | — |
| Vehicle Speed Control | 6 | 8% | — |
| Electrical System | 5 | 7% | — |
| Back Over Prevention | 3 | 4% | — |
| Forward Collision Avoidance | 3 | 4% | — |
| Visibility/wiper | 3 | 4% | — |
| Engine and Engine Cooling | 2 | 3% | — |
| Lane Departure | 2 | 3% | — |
| Seats | 2 | 3% | — |
| Service Brakes | 2 | 3% | — |
| Suspension | 2 | 3% | — |
| Child Seat | 1 | 1% | — |
| Seat Belts | 1 | 1% | — |
| Steering | 1 | 1% | — |
| Visibility | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.