01 Honda accord v6 giving shift control prob

I just bought a 01 honda accord v6 3.0 and the check engine light came on its reading p0730 p0780 and p1750 I looked it up its a problem with the shift control system I don’t know where to begin to fix this is there any cheap fixes I could attempted before any major fixes in the morning the car doesn’t want to catch first gear bug if I let off the gas it catches the. It seems fine