2015 GMC Sierra Denali problems by component
22 owner complaints filed with NHTSA for the 2015 GMC Sierra Denali, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Service Brakes | 7 | 32% | — |
| Power Train | 5 | 23% | — |
| Electrical System | 3 | 14% | — |
| Air Bags | 1 | 5% | — |
| Engine | 1 | 5% | — |
| Engine and Engine Cooling | 1 | 5% | — |
| Fuel System, Diesel | 1 | 5% | — |
| Seats | 1 | 5% | — |
| Steering | 1 | 5% | — |
| Structure | 1 | 5% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.