Jeep Tj Pcm Problems - It’s a known common. Quickly diagnosing and resolving pcm power issues in your jeep tj can help you avoid major problems. Learn how to perform quick checks and get back on the road. I'd start by pulling the connectors to your pcm. it's on the firewall behind the battery. and checking the pins for damage or corrosion. You can send your pcm to. I was able to find a pcm from a 4. 0 grand cherokee. It chrystler p/n 56041 w/the suffix 423ad. My tj is 46041 312ac. On my jeeps pcm it'll crank but the fuel pump won't. We have developed a thorough, custom process that greatly. Everything seems fine for a few minutes, the cluster dies (and immediately the data link dies) then shortly after, the engine stops. No sensors were firing prior to all this, and. My a/t guy said he was reading two codes related to transmission temperature. He indicated i needed a new computer and he was only finding new ecm/pcm in the area of. Got an issue with my jeep tj. It will crank but not start. I replaced crank and cam sensors. I checked the asd and fuel pump relays. I was getting random stuttering and stalling on occasion. I have traced it to my pcm. If i press on the. Buying a pcm from fs1 was your first mistake. And yes the pcm controls the a/c compressor. Hopefully they'll send you a replacement that actually works correctly which i can.
It’s a known common. Quickly diagnosing and resolving pcm power issues in your jeep tj can help you avoid major problems. Learn how to perform quick checks and get back on the road. I'd start by pulling the connectors to your pcm. it's on the firewall behind the battery. and checking the pins for damage or corrosion. You can send your pcm to. I was able to find a pcm from a 4. 0 grand cherokee. It chrystler p/n 56041 w/the suffix 423ad. My tj is 46041 312ac. On my jeeps pcm it'll crank but the fuel pump won't.