the no child alarm will not reset on a 2017 international.
Need much more information. Does it have air brakes? I don't know about hydraulic but if the BCM isn't getting a signal that the parking brake is set you can't disarm. If the entry door is not sending a signal it can't disarm.
We had a IC that would not reset intermittently. Couldn't blame the driver on this one. We found the issue to be a diode on a dead end wire located in the left upper fuse panel access door. I think it was a purple wire(?) that had a white diode on the end that was covered in black heat shrink. We replaced it and the gremlin has stayed away since.