where would i be able to find my trans code???? also can some1 give me a list of all the h series trans codes....thanks! reason wy i ask is because my car has a used trans and i want to see if it was repalced with a h23 trans or h22 trans

 

the code is right on the sticker on the front of the bell housing.

 

and what should the code be for the si trans?

 

https://honda-tech.com/zerothread?id=549372

M2S4

 

thank you!