Today 1/29/2019 while attempting to come to a stop at an intersection, the brake pedal became very spongy and i rolled into the intersection before i was able to fully compress the pedal almost to the floor, any owner of this truck know's how responsive the brake system is and it only takes a slight touch to come to a full quick stop. this was not the case today, i drove it back to my shop and the entire 10 min. drive it repeated this failure. i got back to my shop and called chevy and they told me to bring it in to have it looked at. on the way to the dealership, i could not get it to reproduce this behavior.