00 GRAND CHEROKEE 4.0L A/T ECU ECM PCM ENGINE CONTROL COMPUTER 56041637AG TESTED

Part Number 56041637AJ ECU has no security enabled - you will have black or metal keys. We offer FREE programming, see details below! Fitment/Interchange This ecu will interchange or replace the following part numbers: 56041637AB56041637AC56041637AF56041637AGP56041637AGR6041637AG56041637 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 modul