Thank you Blade35 and 2006Powerstroke90 for the quick replies.

The truck is a crank and no start. The vehicle voltage just dropped because of the crank cycle. when I get running again I'll definately verify the alternator output voltage.

I sent the FICM off to FICMFIXER today 03 07 2012. The connectors looked clean and dry. I didnt have a chance to check the powers and grounds at the FICM. That whole work thing gets in the way sometimes. Yesterday I was looking at the Autoenginuity screens and my saved crank cycles. It has 40 VDC as the lowest limit on the screen. I should have lowered the limit to see if it would record lower or popped the cover off my FICM and checked the voltage directly with a multimeter. I figured for 400 bucks for a disc and dongle the software would be smart enough to give the true voltage even if it was below the set graph limit. I may have had lower voltage and not known it??

I'll update when I get the ficm back in the truck.