complaints.title

1. The L87 Engine Loss of Propulsion failed and is available for inspection at the service department at Power Swain Chevrolet dealership, Fayetteville, NC. 2. I, other vehicles, cyclists, and pedestr…

Model: Sierra Denali Ultimate Engine: 6.2L V8 VIN: [XXX] Mileage at Most Recent Incident: Approximately 52,000 miles Safety Complaint Summary I am submitting this complaint to report a recurring loss…

Truck starting bottom end knocking noise at 57,700 miles. Engine had the recall done to it for Pico test and passed. Dealership states now it will need a new engine.

[XXX] [XXX] Phone: [XXX] Vehicle Information: Year: 2023 Make: GMC Model: Sierra Denali Ultimate Engine: 6.2L V8 VIN: [XXX]: Mileage: Approximately 52,000 miles BACKGROUND: I previously had the engine…

After driving my vehicle for a short period of time I stopped to go shopping. When I returned to my vehicle I started it as usual and the check engine light illuminated. I began driving and within 0.…

The plastic upper rail glass guide frame on the rear sliding window assembly of my 2023 GMC Sierra developed structural micro-cracks during normal vehicle operation. This manufacturing defect is a kno…

It was the Chrome Grille Deflector and is available for inspection. I was driving down a long road at roughly 50 mph when all of a sudden the grille deflector detaches from my bumper and hits my winds…

As I was driving down the highway the hood front molding flew off and took a chunck of paint off my GMC 2023 AT4, hitting a elderly ladies windshield we pulled over there was no damage to her car than…

While out of Town driving back home Wheel lock up on my 3500hd dually 2023 gmc .. vehicle had shudder effect and from 75 to 25 mph drasticly and engine reduced power light came on and wouldn’t come …

After completion of recall repair, changing oil weight from 0w20 to 0w40, I encountered loud squealing and knocking sounds from the engine bay. As catastrophic failure has been reported the vehicle wa…

I took the truck in for a recall they notified me and said it failed the test and there was metal in the oil and said it needed a new engine

OnStar module failed. Unable to fix and needs replaced. Thousands of other individuals having same issue. Car can shutdown without warning while driving. This issue must be addressed by GM.

Start engine light came on while driving. The truck did a dead stop in the middle of the road. Tried to restart but nothing. A tow truck was called and the truck was dropped off at the local GMC deale…

I was driving down the road at 55 mph on 4/12/2026 and had let off the gas for a 45 mph zone when I experienced a violent downshift of the transmission that squealed the tires momentarily and felt lik…

The contact owns a 2023 GMC Sierra 1500. The contact stated that while driving at 15 MPH, the vehicle stalled. There was no warning light illuminated. The vehicle was towed to the dealer, where it …

On April 1, 2026 at approximately 7pm the vehicle had a complete engine failure exiting an interstate. As I was slowing to exit the interstate the truck, without warning, lost power and locked up the…

The plastic piece above the front grill detached and flew off the truck. I’m not sure the name of the part.

Based on the critical recall and safety concerns for this known issue for the 6.2 L87 Engine failure I am highly concerned that it takes over 171 days to just get an appointment to look at this issue.…

Motor locked up on highway with heavy traffic trying to exit highway

Our truck had just passed 60,000 miles when the engine seized. The recall procedure was completed in January, and the engine passed the test at that time. We were also using the recommended 0W‑40 oi…