GMC Sierra 2500 owners have reported 149 power train related problems since 1996. Table 1 shows the 19 most common power train problems. The number one most common problem is related to the vehicle's power train (92 problems). The second most common problem is related to the vehicle's automatic transmission (10 problems). For details of each of the problem category, use the links in the table.
Transmission shifting - faulty shifting between 25 - 55 mph. Took truck to dealership and they state that the radiator leaked coolant into the transmission. They are replacing the transmission and radiator under warranty. Truck only has 21k miles on it. Mostly all highway. Read details...
The contact owns a 2021 GMC sierra. The contact stated that while driving at approximately 70 mph, the vehicle lost power. A " vehicle will not go above 50 mph " message appeared. The vehicle was taken to a dealer where it was sitting been for over four months after being diagnosed that Read details...
The contact owns a 2024 GMC Sierra 2500. The contact stated that while driving 60 mph, the vehicle went into limp mode. The contact stated that the vehicle then inadvertently lost motive power and was unable to accelerate above 40 mph. Read details...
I purchase this truck 2/03/17 and have used it until 2 weeks age when the brake lines broke in my driveway, I am having the lines replaced with stainless lines at a cost of about $1200 ( I am not sure of the total cost because it also needs a antilock braking pump which was badly corroded) the fuel Read details...
The contact owns a 2024 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed, the vehicle briefly hesitated before returning to normal functionality. The check engine warning light was illuminated. Read details...