Ecm Coding

hellow world, i need some help width an ecu code for skoda fabia 2004 1.2/12v azq engine, after swap im having the 18020/P1612/005650 - Engine Control Module Incorrectly Coded 1.2l/12V SIMOS3 "00021" coding...
can you help me please width the right coding? I bought the car from Germany..... thanks

What was swapped? The ECU itself?

Please post an Auto-Scan for context.

-Uwe-