CUMMINS ISX DIESEL ECU ECM PCM ENGINE COMPUTER UNIT 3681405 Climate Controls 05187344AE

05187344AE

56040405AF

05156129AF

This will void your warranty and we cannot take a return

If you would like to return your core for a $20 partial refund let us know during checkout through the "notes to seller" and we will send a prepaid return label with your order

CUMMINS ISX DIESEL ECU ECM PCM ENGINE COMPUTER UNIT 3681405 Climate Controls 05187344AEPart Number 3681405 ECU has no OEM security and will arrive plug and play. If your vehicle has security (most don't) then consult your local mechanic. 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: Unit has communication Will resolve "start" issues Install Notes Disconnect the negative terminal of the battery. Make sure the battery connector is not