I am using the stock tune and O/S that came with this ECU, disabled SKIM and still it dies in 3 seconds and won't start at all after 5 times. From what I understand this is the anti-theft issue, but I just cannot seem to get around it.

Any ideas anyone?

2008 6.7 Cummins ECU
O/S: 11620500
Cal: 62351235AP