2001 Dodge Dakota P0601 DTC

My 2002 dakota recently had the engine light come on. When I checked the code to see what it was it said p0601 internal controller failure. I checked the tips in the scanner and it said to clear the code and see if it comes back on if it does it is probably the pcm. It did come back on same code but the truck runs fine it shows no sign of a problem what should I do?