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2020 GMC Sierra 2500 engine complaints

Page 2 of 2: complaints 11 to 12 of 12, newest first, as owners wrote them.

See the summary of 2020 GMC Sierra 2500 engine problems: which part fails, at what mileage and related recalls.

Filed Oct 2, 2020 · Electrical, Engine · 212 miles · MI

As I was driving home my check engine light came on and all of my lights went out. I had no tail lights and the radio started saying no signal detected. The dash screen was saying service keyless entry system. And I had no running lights but my headlights. Pretty scary thinking no one could see me as they were driving behind me at a high rate of speed. My truck only has 200 miles on it so this is really scary to be having issues so early in the ownership of this truck. I've always had fords but this truck caught my eye and I stepped out of my comfort zone and now wishing I would have stayed in in.

Filed May 20, 2020 · Engine · 2,800 miles · SD · fire

Tl* the contact owns a 2020 gmc sierra 2500. The contact stated that while driving, he noticed smoke entering the vehicle through the air vents. The contact coasted to the side of the road, exited the vehicle safely with his passenger, upon opening the hood noticed that the whole engine compartment was on fire. The contact stated that the fire department arrived but was unable to extinguish the flames as they allowed the vehicle to burn until the fire self extinguished. The dealer nor the manufacturer was made aware of the failure. The failure mileage was approximately 2,800. Vin was not available.

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