dtc code P0603

[madams000]

P0603 Internal Control Module Keep Alive Memory (KAM) error
Please help I have a trip scheduled for the am, is this something that I need to fix pronto or shall I clear the code and tow my fifth wheel 450 miles.

2003 Ford 6.0 with Hyperpac, BD exhaust brake, Cold Shot H20 injector, AFE Cold Air FIPK

Help Please