04 GRAND CHEROKEE 4.7L ECU ECM PCM ENGINE COMPUTER UNIT 56044564AJ TESTED

Part Number 56044564AJ ECU has no OEM security. You will have black or steel keys. ECU has Low emissions We offer FREE programming, see details below! Fitment/Interchange This ecu will interchange or replace the following part numbers: 56044564AA 56044564AB 56044564AC 56044564AD 56044564AE 56044543AF 56044564AE 56044564AG 56044564AH 56044564AI 56044564AJ Tech Notes ECU has been tested with our state of the art vehicle simulator which tests over 25 circuits of the ECU! Some of those are listed below: Reference Voltage Good! ECU powered up and has communication! ECU fuel pump/main relay test good! ECU injectors/coils test good and much more! Install Notes Disconnect the negative terminal of the battery. Make sure the battery connector is not touching the battery post. Disconnect and remove the module to be replaced. Install and connect the replacement module. Connect the negative terminal of the battery. See "Programming" below for additiona