06 MARK LT F-250 F-350 5.4L ECU ECM PCM ENGINE COMPUTER 6L3A-12A650-ARC TESTED

Part Number 6L3A-12A650-ARC 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 2006 Ford F-Series 5.4L trucks:  6L3A-12A650-ARC 6L3A-12A650-CKC 6L3A-12A650-CLB 6L3A-12A650-UA 6U7A-12A650-DBB 6U7A-12A650-DLC 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 transmission communication good!  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 terminal of the battery. See "Programming