u/Embarrassed-Act7919

Hey what’s up guys I just wanted to see if anybody can help me out I recently got an engine rebuilt on my 2012 jeep grand Cherokee 5.7 and after that had to replace the pcm as well now my problem is that the check engine light is on for a lot of things one is spark plug #6 the ac doesn’t work anymore as well as the windows and unlock butttons this car ia driving me crazy then it keeps saying “service 4x4 mode and “air suspension not available. Please somebody help me out