having trouble with 2016 6.2 swap. changed the OS to a 2014 dual vat OS as told still does not start. will only run when starter fluid is used. So vats are not letting injectors fire. file is attached. this is our first gen 5 swap and customer needs truck back ASAP and im stumped. have tuned over 30 gen 3 & 4 ecu with no issue.
file is attached . all help apricated ! both file attached 2014 file is donar OS flashed to the 2016 file & ecu.