Gmc SIERRA 3500 — Years to Avoid

Main issue: The computer lite up the dash and reduced power, plus took the trailer brakes off line. This happened while loaded. To reset the system you have to pull over and turn the vehicle off. This happens 2-3 times per day. This was a problem at 600 miles. The transmission shifted from 10 gear to 5th g

Main issue: Hello, I purchased my 2024 GMC 3500 AT4 Seirra late October 2023. Since the purchase date, I have been informed by motorist while at intersections my tailgate was down. I thought I was doing something wrong. On 3/3/2024 I was preparing to wash my truck and noticed my front amber lights were on surr

Main issue: I received a p0747 and p0700 transmission codes on my GMC sierra 3500. It would not engage above 3rd gear and I almost was rear ended by a Semi truck because I was unable to speed up. The vehicle CEL turned on and "Engine power reduced" notification appeared on my cluster. Engine RPMS were at 280

Main issue: TL*THE CONTACT OWNS A 2015 GMC SIERRA 3500. THE CONTACT STATED THAT A SNOW PLOW WAS INSTALLED BY A DEALER HOWEVER, AFTER THE INSTALLATION, THE INSTRUMENT PANEL WAS DIM AND THE HEADLIGHTS FAILED TO ILLUMINATE. THE TECHNICIAN UNINSTALLED THE SNOW PLOW AND THE VEHICLE RESUMED TO FUNCTION AS NORMAL. THE