What 85 owners told NHTSA about the 2013 GMC Sierra 2500 Hd

The contact owns a 2013 GMC SIERRA 2500 equipped with Cooper Tires, Tire Line: Discoverer A/T3 XLT, Tire Size: 265/60/R20, DOT Number: UT6K1MJ. The contact stated that the side walls were dry rotted and were separating. The contact took the tires back to the tire shop where the tires were purchased, and it was confirmed that the tires needed to be replaced. The tires had not been replaced. The manufacturer was made aware of the failure. The approximate failure mileage on the vehicle was 119,192, and the tire failure mileage was 190,000.

NHTSA ODI 11437117

RUNNING ERRANDS WITHOUT PULLING A LOAD AND EMPTY BED OF TRUCK. AT A STOP AND WHEN GREEN BEGAN TO ACCELERATE, RIGHT BACK TIRE BLOW OUT, NO INJURIES PULLED OVER TO A SAFE SPOT TO CHANGE TIRE. NO DISCERNIBLE DEFECTS BEFORE USING TRUCK THIS DAY. ORIGINAL TIRES TO TRUCK, APPROXIMATELY 50,000 K MILES, VERY LITTLE HEAVY USE FOR THIS TRUCK.

NHTSA ODI 10979260

FIRST INCIDENT -BFGOODRICH MUD TERRAIN KM2 TIRE TREAD SEPARATED FROM TIRE CAUSING DAMAGE TO RUNNING BOARD ON RIGHT FRONT. WAS ON INTERSTATE GOING ABOUT 55 MPH. SECOND INCIDENT- 1 OF ORIGINAL SET OF 4 IS NOW ON BACK AGAIN ON INTERSTATE GOING APPROXIMATELY 65 MPH TIRE SEPARATED AND CAUSED DAMAGE TO RIGHT FENDER. *TR

NHTSA ODI 10681439