2012 GMC Sierra problems by component
29 owner complaints filed with NHTSA for the 2012 GMC Sierra, 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 | 7 | 24% | — |
| Structure | 6 | 21% | — |
| Engine | 5 | 17% | — |
| Air Bags | 4 | 14% | — |
| Service Brakes | 3 | 10% | — |
| Steering | 3 | 10% | — |
| Electronic Stability Control (esc) | 2 | 7% | — |
| Power Train | 2 | 7% | — |
| Suspension | 2 | 7% | — |
| Vehicle Speed Control | 2 | 7% | — |
| Engine and Engine Cooling | 1 | 3% | — |
| Exterior Lighting | 1 | 3% | — |
| Latches/locks/linkages | 1 | 3% | — |
| Service Brakes, Hydraulic | 1 | 3% | — |
| Visibility | 1 | 3% | — |
| Visibility/wiper | 1 | 3% | — |
| Wheels | 1 | 3% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.