WE HAVE A 2002 GMC SIERRA 2500HD WHICH IS STUCK ...
2002 GMC Sierra
November, 12, 2012 AT 6:08 PM
We have a 2002 gmc sierra 2500hd which is stuck in limp mode. We turn it on and the brake light is on. When we try to move it flashes and beeps at us. We checked the wheel barrings and fluid levels. We know we have a sticky valve.