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

****This computer will require a theft deterrent relearn that must be performed with a programming scan tool through an online subscription with A.C.DelcoTDS before it will start the vehicle.  A dealer or properly equipped repair shop can do this (charges will vary).****This E.C.M. fits the following vehicles: 2007 4.8/5.3/6.0/6.2L  Chevrolet Silverado (1500, 2500HD, 3500HD)This auction is for one service number 12597121 ECM (Engine control module) that is programmed for your vehicle using the latest software updates using 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.A crankshaft variation relearn will need to be performed once the vehicle isrunning. This will be evident