
Early Signs Of PCM Failure | Jeep Enthusiast Forums
2021年12月27日 · If you put a non security PCM in a jeep that had security, it’s now a security PCM. 1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 33's, Holes drilled in the roof. 1998 XJ 2dr 4.0, "Hazel" - 1998 ZJ 5.9, "Fiver"
Replacing PCM/ECM - Jeep Enthusiast Forums
2009年7月31日 · PCM (Powertrain Control Module) in a jeep is the computer box up on the firewall, the reason it is called a PCM and not ECM (Engine Control Module), is because in the new jeeps it does more than control the engine, it also sends commands to the TCM and other components of the power train. So therefore it is a PCM and not a ECM.
PCM replacement - Jeep Enthusiast Forums
2016年5月13日 · I bought my PCM from a Jeep dealer to avoid getting one from one of the hack job re builders. I believe there is just as much risk getting one from a junker than there is from a on-line re builder. Most auto part dealers (O'Riley AutoZone etc.)have them from a company called CARDONE. Their reviews are better than those other ones in South Florida.
96-98 PCM repair procedure W/Pictures - Jeep Enthusiast Forums
2011年12月19日 · The cut out portion of ZeeJay's PCM, was an attempted repair performed by a company that does repairs on automotive computers. They cut out the back of the unit to gain access to the back of the PCM in order to re flow the pins. They ended up soldering the wrong pins and almost completely destroying the mother board.
Is my YJ PCM Bad? - Jeep Enthusiast Forums
2024年12月19日 · I asked them to confirm they check the PCM and that it's getting power/functioning and they said they can't do that until they get it sparking and the engine turning over. I'm feeling pretty confident it's the PCM (No check engine light when I turn the key) and replacing all of these components will just waste money with no result.
Replace PCM Today -- Jeep is fixed -- Read for my bad...
2016年4月29日 · We ordered a rebuilt PCM and it started and ran for a few miles then it died and the SKIM lights showed up and wouldnt start at all (key in a circle with a line across and the gas gauge on empty) We took the SKIM fuse out and it started. We put the original PCM back in and it starts everytime! But CEL is back on.
Where to buy a pre-programmed PCM? - Jeep Enthusiast Forums
2024年7月28日 · Anyone that needs help with a pcm replacement feel free to send me a message here, until fall I'm in the shop Monday through Wednesday every week and running my dealer route the rest of the week on top of running my charter business on the Great Lakes on weekends so I'm a very busy guy and don't have as much time to read over the general forum until the off …
Wiring diagram or location of PCM Ground? - Jeep Enthusiast …
2016年11月28日 · In looking at the 95 FSM 4.0 PCM connector pin-out cavities/pins 5, 11, 12, are all grounds for the PCM. These are the black/tan colored ground wires you mentioned so there could be multiple grounding points. It should be noted the FSM mentions the data link connector is also on the same ground as the PCM referred to as circuit Z12.
where to bolt pcm ground wire | Jeep Enthusiast Forums
2019年8月11日 · Hey everyone, I got a quick question; I'm having issues with no power to injectors corresponding to cylinder 1 and 2 and I wanted to make sure the pcm ground wire was in the correct position as you can see in the picture, I removed it from where I put it; I mounted it to the bolt on the top side of the pcm 3rd one from the top to the bottom ...
Resetting the PCM Adaptive Memory | Jeep Enthusiast Forums
2022年3月30日 · It seems like it is starting to feel better now. Maybe the PCM is actually learning and adjusting to my driving style. Maybe it is all in my head and I actually do need to unhook the positive and ground. I would love to know for sure that I reset the PCM. I bought this Jeep used and would like to clear the parameters of whoever drove it before.