Could my PCM be bad?

[AjRagno]

The photos below are from this thread: https://wranglertjforum.com/threads/42rle-transmission-no-fourth-gear-overdrive.13573/

Notice not only how the loom is routed behind the coil pack and rubbing against the block, but also the resulting damage. As Paranoid57 pointed out, the A/C dryer is another common area for the loom to rub.

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[Chasitek]

There are no new oem pcms available and anyone claiming to fix these pcms is selling you a pig in a poke.

The processors aren’t available and it’s like trying to put Humpty Dumpty back together. Digging the gel out alone is an hour of tech time.

Here is a video that I made about our pcm vs. oem a couple of months ago.



As far as reliability...Our solution works and we stand behind it. Here’s a video testimonial from a customer.




You can call me if you’d like. 866-888-7710.

Thanks,

Mark

So I have replaced all my spark plugs and coil rail with one from a junk yard as well as replaced my OPDA. Everything was going good and then all of a sudden I was getting a cylinder 2 misfire, re-replaced the spark plugs with autolite double tipped ones instead of the NGK one's and it didn't do anything, then swapped the plugs with ones from other cylinders. All was good and then I got the p2305 code again along with a p0300 code while accelerating onto the highway and my jeep was struggling to shift. (I had the O/D turned OFF, I alwyas turn it off when I start my jeep up) No other misfire codes that signified what cylinder was misfiring. I cut the jeep off and started it back up and it ran fine. Does this sound PCM related? I checked the main wiring harness that wraps around the back of the motor at the end of the coil rail, I didn't see any exposed wires or rubbing.

 

[Wranglerfix]

I have an 06 LJ auto with 139900 miles on it. CEL has been on since I got it for a o2 sensor heater circuit. I used a multimeter to test the circuit and all values were within spec. I replaced the o2 sensor with an oem one. After every attempt i’ve reset the light and it keeps coming back on. A little bit ago I put like 4 gallons of 88 gas in my my jeep and it was causing a misfire. Putting 87 back in fixed that...or so I thought. It’s been about 2-3 full tank fill ups since the 88 was in there but all of a sudden today my jeep is misfiring again. It only happens under acceleration at a certain rpm when the transmission in shifting. I will cut the jeep off and back on and it’ll go away until I accelerate again. When i had the 88 in there the misfire would rarely happen but now the misfire happens every 200 feet. I pulled over every time it happened and cut the jeep off and back on. I was thinking it had to do with the o2 sensor but I disconnected the battery and the misfire still happened. I haven’t checked the code yet to see which cylinder it is or if it’s multiple random misfires. Any ideas? Is it a bad PCM?

I think it is the pcm with the faulty o3 sensor codes. In the event the pcm is not the issue, I accept returns.

Sorry for the delay in answering you.