OEM Engine Computer Programmed Plug & Play 2000 Jeep Grand Cherokee Programmed Plug & Play 2000 Jeep Grand Cherokee Engine Computer for 56041637AG Hardware Code for this unit is 05018189AA 100% perfectly working re-programmed, Programmed & Flashed and updated used OEM unit with Lifetime Warranty (see description) VIN number is REQUIRED in order to re-program the unit (see description) We will e-mail you requesting your VIN number within one business day of purchase