when you are in 4 wheel drive and stop then take off again it goes back to 2 wheel drive but light on dash says you are in 4 wheel drive. After a tow out of the mud by a chevy very embarassing I brought it to garage
they told me there is a letter out to dealers that this is happening and thay have a cure. I left in shop and they said they repaired it but I dont know how long due to other problems with the truck. I do know that the said they had to pull some stuff apart and do some drilling. So heads up.