Hondata

I’m thinking about reflashing my 2006 TSX MT but i’d like to retain my stock ecu as backup. If i get a used ecu that has been reflashed can i send in my immobilizer and key to have it paired with the reflashed ecu? Also will this jeopardize the functionality of my original stock ecu?

Reflash check please. 2006 TSX MT

37820-RBB-AO4
CY-EH2562A
NO 500224. -2

Thanks

I've got a P75 non vtec ecu already setup with an s100 from a previous build. I'd like to use it with my new lsvtec build and am trying to figure out the best way to make it work. Would a hondata dealer beable to convert the ecu to vtec specs or can I even buy the p75 conversion kit and convert it m...