2007 Tahoe Engine computer 12597121 "Programmed to your VIN" ECM PCM ECU

This E.C.M. fits the following: 2007 4.8/5.3L Chevrolet Tahoe. This listing is for one service number 12597121 ECM (Engine control module) that is programmed to your V.I.N. (Vehicle identification number) to exactly match your vehicle. After you purchase the E.C.M. you will need to provide us with your V.I.N so that we can program the E.C.M. before we ship it to you.This computer is refurbished and tested for functionality.There is no core charge you keep your old E.C.M. There is a one year replacement warranty. We will include instructions for the 30 minute security password relearn procedure which will need to be done before the vehicle will start.   This is a "do it yourself" procedure that requires either a battery charger be connected to the vehicle or jumper cables be connected to another  vehicle that should be left running the whole time.  On some vehicles this procedure may not work, if that is the case refer to the paragraph below. ****This computer may require a theft d