cm570 ecm replacment

[Rawze]

(11-25-2020 )DaveCampbell Wrote:  If I buy a ecm for 475 hp or 600 hp cm570 and plug it in, in place of my 450 hp one, am I going to have a disaster?

just flash it with the correct program for your truck when installing it. No telling what program or how out of date the program is that a used one may have in it.