i installed a new pcm and now i have more codes then when the old one is in. 2002 dodge ram van 1500 3.9. any ideas i'm on my 2nd reman pcm. i get the same codes with each new pcm. i installed new o2 sensors but they dont respond to new pcm high voltage but not with old pcm???

 

Welcome to DF

I will move your post to the Ram Van section.

 

What are the codes you keep getting?