Hello quick question is a PCM and a CCRM the same thing? And if so, how can i change the CCRM? What are the difficulties involved? Is it simply a plug an play device whereby i can acquire another one and swap it? or is it more complicated than that?

 

a pcm is a power control moudle and a ccrm is a constant control relay moudle. they are not the same thing. a lot of the newer pcm are VIN locked. ccrm are are interchange able. Hope this helps