electrics kit

[wtfcmatty]

Hi there I have a 2003 1.2 16v and I need to change the ecu and uch kit over as somethings gone faulty but im not sure exactly what number uch and ecu kit I need do tge new ones have to match exactly with the ones in my car
my nunbers are
uch is UCH-N3 p8200272402
Ecu is iaw5nr2.c5 8200181482

Can anyone help

thanks
mat