Table 1 shows eleven common power train related problems of the 2019 GMC Sierra 1500. The number one most common problem is related to the power train (104 problems). The second most common problem is related to the automatic transmission control module (two problems).
Transmission shudder and vibration at highway speed. Read details...
The contact owns a 2019 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the transmission unexpectedly hard downshifted. No warning lights were illuminated. The contact stated that the vehicle was hesitating while driving the rest of the drive. Read details...
You can constantly feel a bump,clunk & transmission slip when going from reverse to drive. This is dangerous as I was pulling a small boat and it came off the hitch hitting the trucks tailgate and causing damage to it. This will happen seconds after drive is already engaged. Read details...