Originally Posted by XC450
U7137 is for dodge and jeep trucks and suvs, it fits a broad range of vehicles, and it is the correct unit for our trucks up to 2010. As long as they have put their vehicle back to stock then it's just like buying a brand new programmer. You can always check by plugging it in and checking the last loaded program. If it tells you not mated to vehicle, then it has been put back to factory.
I'm sure that question had been answered before but I appreciate the info.