09 Ford Fiesta, does it match after replacing the computer engine? How to match? What are you locking? Urgent!

First of all, you need to know the password of the new engine computer, then read the password of the original vehicle instrument, use the matching number to enter the engine system, log in the password of the new engine computer, and after logging in successfully, enter the matching function and enter the channel number 50. After reading, the new value shows 32000, and the original instrument password is changed from 32000. Then click Test, and then click Save. After saving, the password of the new engine computer becomes the password of the original car instrument.

If the matching is unsuccessful, enter the instrument and engine computer respectively, select the matching function, input the channel number 00, read, save and repeat the above operations.