04 F-150 F-250 F-350 5.4L ECU ECM PCM ENGINE COMPUTER 4L3A-12A650-AAK TESTED

Part Number 4L3A-12A650-AAK ECU will arrive with updated part number sticker having been programmed with latest Ford Software Updates! Fitment/Interchange This ecu will interchange or replace the following ecu part numbers for 2004 F-Series 5.4L trucks: 4L3A-12A650-AAA 4L3A-12A650-AAB 4L3A-12A650-AAD 4L3A-12A650-AAE 4L3A-12A650-AAF 4L3A-12A650-AAG 4L3A-12A650-AAH 4L3A-12A650-AAJ 4L3A-12A650-AAK 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 has transmission commnication! ECU powered up and has communication! ECU fuel pump/main relay tested good! ECU injectors/coils tested 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