I hit a curb slightly with my passenger side front tire. The truck somehow went into 4wd LO all by itself. It was in 2wd mode. I got it out of 4Lo mode and back into 2wd but the 4LO keeps blinking intermittently and will switch into 4LO if it is blinking and I put it in neutral. Can I drive it this way? It seems to be acting ok except for that? Is there a way I can get it to stop blinking?
Check the transaxle mount underneath the vehicle. If the mount is bad the transaxle could've shifted to one side slightly when you hit the curb. Other than that suspect a shift/switch mechanism problem.