cadillac repair

[dirar]

It has been changed the engine on this vehicle(cadillac deville 96 northstar 4,9l ) and right now is still running very well except some problems appearing on its dash in yellow color like (anti lock ABS) left side in front of driver and in the middle (traction control),on the right side (service engine soon) and all those things were on the dash before we have changed the engine
but now i got new codes as mentined below and i don't know how to fix it
code PC1406 current
code PC1571 current
code PC1602 current
code PZ2042 current
code AC 1347 current

your help would be appreciated
thanks in advance
dirar

 

[CadillacETC1997]

no such car exists