abs codeing

Hi im new to this site and im looking for some help help i have a 2003 skoda 1198cc  when i got hte car the abs pump was missing but ive got the number form the pump that was on there the pump numbers are 6q0907379G, 600 614 117E 386256 265 800 ,386/28/4/1481 Ive just payed oyt £105 pumps for a pump that i was told would be a plug and play but ive fitted it and it keep say the front wheel sensors need renewing so ive fitted then still no good would the pump need recodeing i would be glad of any help