2005 2006 Avalanche Engine computer 12589463 Programmed to your VIN ECM PCM

This E.C.M. fits the following vehicles: 2005-2006 5.3L Chevrolet Avalanche.This auction is for one service number 12589463 ECM (Engine control module) that is programmed for your vehicleusing the latest software updates using your V.I.N. (Vehicle identification number) to exactlymatch your vehicle. After you purchase the E.C.M. you will need to provide us with your V.I.N so thatwe 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.Two things may have to be done after you install your E.C.M. First an anti-theft relearn may have to be performed.  If this is the case the truck will not start. The second thing is that a crankshaft variation relearn may need to be performed once the vehicle isrunning. This will be evident if the check engine or service engine soon light comes on once the vehicleis running. You will need access to a scan tool