2020 GMC Sierra 2500 problems by component
73 owner complaints filed with NHTSA for the 2020 GMC Sierra 2500, 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 → | 22 | 30% | — |
| Electrical System → | 12 | 16% | — |
| Service Brakes → | 12 | 16% | — |
| Engine → | 10 | 14% | — |
| Steering | 6 | 8% | — |
| Structure | 5 | 7% | — |
| Forward Collision Avoidance | 4 | 5% | — |
| Vehicle Speed Control | 3 | 4% | — |
| Engine and Engine Cooling | 2 | 3% | — |
| Exterior Lighting | 2 | 3% | — |
| Tires | 2 | 3% | — |
| Wheels | 2 | 3% | — |
| Air Bags | 1 | 1% | — |
| Back Over Prevention | 1 | 1% | — |
| Electronic Stability Control (esc) | 1 | 1% | — |
| Fuel/propulsion System | 1 | 1% | — |
| Fuel System, Diesel | 1 | 1% | — |
| Parking Brake | 1 | 1% | — |
| Suspension | 1 | 1% | — |
| Traction Control System | 1 | 1% | — |
| Visibility/wiper | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.