2026 Toyota Grand Highlander problems by component
21 owner complaints filed with NHTSA for the 2026 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 |
|---|---|---|---|
| Structure | 6 | 29% | — |
| Engine | 3 | 14% | — |
| Electrical System | 1 | 5% | — |
| Forward Collision Avoidance | 1 | 5% | — |
| Fuel/propulsion System | 1 | 5% | — |
| Lane Departure | 1 | 5% | — |
| Service Brakes | 1 | 5% | — |
| Visibility | 1 | 5% | — |
| Visibility/wiper | 1 | 5% | — |
| Wheels | 1 | 5% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.