After replacing the catalytic converter the check engine light came back on

Hello, first, clear the codes and see if they reset right away. If so, there's a hard fault in the related circuits. P0047 - read this: https://repairpal.com/obd-ii-code-p0047-turbocharger-supercharger-boost-control-a-circuit-low Here's the problem, a 2013 Nissan Versa - does not have a turbocharger or supercharger. Do you have the correct vehicle listed? Do you have the right codes? P1138 relates to a "swirl control valve" - which has nothing to do with catalytic converters, and I can't even tell if it applies too this vehicle either. So, overall, I'd suggest getting some help from a shop near you. https://repairpal.com/auto-repair-near-me Click the link or call us at 877-913-1554. We'll gladly find you a certified RepairPal shop in your area.