It sounds like the engine or maybe the transmission idk I’m so frustrated with this car I not sure what to o next I messed up when I swapped pcms it already had a pcm from you guys Installed and I didn’t k ow that till I went to swap them I put the new one in tried the tunes and this noise started ...

I got a 2015 challenger srt 392 I installed the Trinity t2 and pcm and between 1500 and 2500 rpm’s it makes a rattling noise I’ve tried all the tunes and now have reset it and the noise is still there