F15 N55 101F01, 104B01, 120408, 123432, 123401 error codes

[Kossetsu]

Hello, on F15 N55 there are these codes for the engine:

101F01 - Air mass system, plausibility: Calculated air masses in the air intake system not plausible

104B01 - Absolute pressure sensor, intake pipe, multiple fault: electrical and plausibility

120408 - Charging pressure control: Switch-off as consequence

123432 - Electric wastegate, learning limit stop: stop position (wastegate closed) outside tolerance

123401 - Electric wastegate, learning limit position, cold start: malfunction

What do you advise to do? Where to start? I looked from below, when starting the engine, the EWG moves, but during engine operation - it does not