Table 1 shows two common power train related problems of the 2016 GMC Sierra. The number one most common problem is related to the power train (ten problems). The second most common problem is related to the driveshaft (one problem).
| Problem Category | Number of Problems |
|---|---|
| Power Train problems | |
| Driveshaft problems |
Apparently, the 8 speed automatic transmission has issues with wiring harness and hard shifting which the manufacturer has 18 service bulletins out on yet still will not recall and fix problems. Also the brake system is faulty and unsafe it loses pressure and even braking at various speeds. Read details...
Brake failure issue at low speed. This happened in two separate occurrences in parking lots. The brake pedal became very still and required grabbing the steering wheel and using it to pull myself down harder on the brake pedal to get the vehicle to stop. Read details...