I have a 2014 Ram 3500 and I have codes.

Too many codes.

I don’t even know where to start.

The codes I getting are:

U0100-BCM lost comm with ECM
B168E-BCM-unknown definition
C0078-ABS-unknown definition
U0102-ABS-Lost comm with transfer case ctrl module
U0402-ABS-invalid data received from trans ctrl mod

What on earth do I need to do or look at or have looked at?