05 I tryed the new crom w/good results on the performance of the truck.Only problem is I still am having the key recognition trouble after the new program has been written to the truck.The pred does not see the key as on but the new tune does write to the truck.Before it would make me go back to ...

What he said.

more info- I returned to stock before I tryed to change anything.I have not tryed w 93 tune allready on truck.

05 4x4 quad cab-canned 93 tune works great but if I try and change my shift points and rev limit I have the same prob as above.It will take the changes in the pred. but when you down load to truck it said key not on.after a few trys it made me return to stock.I only tried once.did not want to push ...

sign me up.no 2nd prime