Clarks

I recently changed the valve cover gaskets on a 2007 MKX 3.5L AWD. No it comes up with these codes and has no acceleration. Changed the throttle body, ECM and accelerator pedal. Did the relearn and still have the same codes come up and no acceleration. Baffled on what it could be. P2110 TAC System-Forced Limited RPM P2100 TAC Motor Circuit/Open P2104 System-Forced Idle P2107 TAC Module Processor