2022 Chevrolet Silverado 1500 fuel system problems

DEF system defect causes truck to reduce speed repeatedly until minimal 5mph. Message reads: “67 miles until 65 MPH max speed”. Will repeat with repeated reduction of maximum speed. Placing vehicle in a dangerous position when not in proximity of repair facility or at night.

The contact owns a 2022 Chevrolet Silverado 1500. The contact stated while driving 15 MPH and attempting to make a left turn while depressing the accelerator pedal, the vehicle unexpectedly lost motive power. The contact attempted to restart the vehicle; however, the vehicle failed to respond as intended. The contact attempted to activate the hazard lights however, the hazard lights were inoperable. The contact stated that the failure also occurred while his wife was driving the vehicle.