Here she is, just not running right

[Chamberpains]

You have one I can see the stainless steel tubing that runs to it on your videos. It looks like this and its under your air compressor.
   
If you dont have one then you have major problems.
Used Cummins Insite or Cummins quick-serve at
https://www.google.com/url?sa=t&source=w...IkKF7OVn_v
to register your engine and follow the troubleshooting tree for those codes. It has detailed directions with resistance specifications, voltages and everything on how to test that module and wiring.