2025 GMC Yukon engine problems

“While driving my vehicle, i noticed no sound coming from infotainment, signaling or lights being able to turn on. After pulling over at the nearest gas station, i parked and turned the vehicle off and waited for 30 minutes. Soon after that time, i turned the vehicle on and sound came back. However, i noticed the fuel management system begin to soon immediately kick in hard and loud while i started to drive away. This caused a major concern because i was with my family and didn’t know if ok we were going to be able to make it to my daughter’s softball tournament and home safely.”

“[XXX] - Catastrophic engine shutdown. Yes engine is still at Don Ledford Automotive Group, Cleveland, TN During the engine shutdown, we were still moving on a two lane highway in rural South Carolina. Other vehicles had to swerve/pass to avoid our sudden slowdown. On [XXX], I had the car towed(Dealers Choice - $1,488) from Cooper Chevrolet in Waltersboro, SC(5.75 hours from my home) to my home dealership....Don Ledford Automotive Group. On [XXX], Dealer confirmed complete crankshaft bearing failure and supposedly is going to replace the entire engine. No warning lamps, messages, etc. Only warning we had was a "pop" sound while doing around 60mph. From that moment we had about 5-6 minutes until the car completely shut down in a parking lot on the side of the road. Other items which I have had to deal. 1. On[XXX], getting a rental car in Barnwell, SC so we could continue our trip - (B&B Ford-$800) 2. On [XXX], had to get a rental car at Charelston, SC Airport (Avis-$677.92). I needed the car so I could continue my business trip. On [XXX], my wife returned the car to B&B Ford in Barnwell, SC. I continued on my business trip and returned the rental car I got at the…”

“Engine failure at 20,959 miles (GM 6.2L V8). Sudden knocking noise. I heard noise at idle, accelerating, and decelerating. Sounds increased in volume / frequency within a 24hr period and driving it only a few miles. GM dealer verified engine failure and is ordering a replacement under warranty.”

“The contact owns a 2025 GMC Yukon. The contact stated that while driving 50 MPH, the vehicle started shuddering. The failure was a recurring failure. The dealer was contacted in person, and the failure was associated with the dynamic fuel management system. The manufacturer was contacted by phone and made aware of the failure. The failure mileage was approximately 375.”

“The contact owns a 2025 GMC Yukon. The contact stated that while driving at an undisclosed speed, the engine seized. No warning lights illuminated. The vehicle was towed to a dealer, where it was diagnosed that the engine, radiator, and an unknown belt needed to be replaced. The vehicle was repaired; however, the failure recurred. While driving at an undisclosed speed, several unknown warning lights illuminated, and the engine seized upon arriving at the dealer location. The vehicle failed to restart. The dealer diagnosed that the generator and air conditioner failed and needed to be replaced. The vehicle was in the process of being repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was approximately 33,018.”

“As my wife was driven she heard some noise and notice she was losing power. She pull off the side of the road and the car shut off. Could not restart. This happen about 11:30 am on 8/14/26 Got towed to Salida Dealer called Faricy GMC about 3:30 pm. Dealer said it was a complete engine failure and engine needed to be replaced.”