2021 Chevrolet Trailblazer problems by component
189 owner complaints filed with NHTSA for the 2021 Chevrolet Trailblazer, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Electrical System → | 39 | 21% | — |
| Power Train → | 38 | 20% | 32,000 mi |
| Engine → | 36 | 19% | — |
| Service Brakes → | 29 | 15% | — |
| Fuel/propulsion System → | 16 | 8% | — |
| Forward Collision Avoidance → | 10 | 5% | — |
| Structure | 8 | 4% | — |
| Steering | 6 | 3% | — |
| Vehicle Speed Control | 5 | 3% | — |
| Visibility/wiper | 4 | 2% | — |
| Air Bags | 3 | 2% | — |
| Back Over Prevention | 3 | 2% | — |
| Wheels | 3 | 2% | — |
| Engine and Engine Cooling | 2 | 1% | — |
| Equipment | 2 | 1% | — |
| Lane Departure | 2 | 1% | — |
| Service Brakes, Hydraulic | 2 | 1% | — |
| Tires | 2 | 1% | — |
| Child Seat | 1 | 1% | — |
| Exterior Lighting | 1 | 1% | — |
| Fuel System, Gasoline | 1 | 1% | — |
| Insert, Padding | 1 | 1% | — |
| Suspension | 1 | 1% | — |
| Tether, Lower Anchor (on Car Seat OR Vehicle) | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.