I'm a pro at this, well it think, lol. its ur front and rear sensors that are located in you tod, same thing happend to me, i'm driving with my rear wheels only, cuz isuzu is charging me almost $400 per sensor + labor, making it about $1400 to fix. But if u buy from St.Charles he will sell them for $150 each, and the labor u can do it your self. i have not done it, cuz i don't have cash so i disconnected the tod and it drives fine but rear wheel drive only and if u want to go 4wd u still can. to diconnect u need to unplug a plug on the tod computer that is located under the passenger seat. if i'm not wrong the plug is a gray color and it has three wires or something like that. you will still have the cheak engine light on but just simply put black wire tape over the cheak light, getto i know but simple for now and u will not see or feel a diffrence. there is another guy here that has been riding the same way for a long time and he likes it alot better on just rear wheel drive. I have tried everything to fix it, clean wires, change the fluids, everything but change tires, but i got it cheak at isuzu and they told me it was the sensors. I dont want you to go loose $100 on getting it cheak so i suggest you try cleaning everything, and if it all fails then its ur sensors. good luck and keep us posted if u get it fixed, later bro.