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Old 05-25-2013, 05:17 PM
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02 Limited - instrument cluster going crazy

02' WJ limited w/ 4.0l
While I was driving home the ignition light came on, then the gauges randomly went to 0. A few seconds later the engine stalled and I pulled to the side of the road, put it in park and shut it down.
It started right back up and I decided to drive it instead of getting it towed, and I took video of the cluster while driving. All gauges were randomly going to 0 and back to normal. CE light came on randomly as well. The only light that stayed on was the ignition light (key with the not symbol). It didn't stall a second time however. Haven't started troubleshooting yet, but any advice from someone that has dealt with this would be great. I can post the video on YouTube and link it if that would help.
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Old 05-25-2013, 10:01 PM
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Re: 02 Limited - instrument cluster going crazy

What you call the ignition light is in fact the SKIS light, the Sentry Key Immobilizer System light.
This can be a hard one to tackle. The fact that all the instruments went to 0 and back again, seems to be a problem with the PCI data bus or maybe the instrument cluster itself. You say that the engine stalled, but it didnīt shut down?
The PCM is sending the information for the instruments via the PCI bus to the instrument cluster. So many things can go wrong here: a problem with the PCM itself, a problem with wiring or connectors or a problem with one of the components connected to the PCI bus (and that are quite a bit).
I would start with removing/cleaning/reconnecting the connectors on the PCM and do an instrument self test: with ignition switch in off, push the odometer reset button and while pushed, switch the ignition in on. All instruments should go full scale and back to their normal position, all indicator lights come on and the odometer will count 111111,22222 etc. You can release the push button as soon as the test starts.
If it was raining before this problem started, you could also have a look at the C200 connector on the fire wall at the passengers side behind the dash. On some jeeps water can go into this connector, giving problems with the SKIS light, no engine start and other strange behaviour.
Attached Files
File Type: pdf C200.pdf (142.8 KB, 6 views)
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Old 05-26-2013, 11:09 AM
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Re: 02 Limited - instrument cluster going crazy

Just a little more info that may help...
It rained out all week, and was raining at the time.
It also has an aftermarket remote starter.
I was watching the UFC fight last night and there happened to be a guy from a local Jeep garage. I showed him the video of the event and that was one of his first questions (remote starter).
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Old 05-26-2013, 08:58 PM
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Re: 02 Limited - instrument cluster going crazy

Donīt know anything about the remote starter, so canīt help you on that.
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Old 05-27-2013, 12:56 PM
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Re: 02 Limited - instrument cluster going crazy

Check the wires in the boot going into the drivers door. I had the exact same problem with mine. The data bus wire was broken in the door boot, but you would never know by looking at it, the insulation was'nt broken but the copper wire inside was.
Just kind of bend each wire back and forth and you can feel if they may be broken. Seems to be a common problem.

John
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Old 05-27-2013, 06:14 PM
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Re: 02 Limited - instrument cluster going crazy

Quote:
Originally Posted by jday View Post
Check the wires in the boot going into the drivers door. I had the exact same problem with mine. The data bus wire was broken in the door boot, but you would never know by looking at it, the insulation was'nt broken but the copper wire inside was.
Just kind of bend each wire back and forth and you can feel if they may be broken. Seems to be a common problem.

John
It is indeed a common problem that the thick wires inside the door boots break after many times being bend when opening the door. Didn,t hear it regarding the PCI data wire, which is more flexible, but its possible. You will for sure loose some power window and power lock functions when that happens in the door boot, but will the instruments be affected as well? If the data wire would touch some metal part, yes, but when the isolation is still intact i wonder.
Did exactly the same things happen on your jeep?
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Old 05-28-2013, 01:27 AM
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Re: 02 Limited - instrument cluster going crazy

I had the exact same problems as the OP. Gauges not working, all the idiot lights on the dash would come on, windows and locks would'nt work. I
would unhook the battery to reset the computer and it would be ok for a couple days and then it would do the same thing again. Took me a few weeks to figure it out. Once i fixed that wire in the door boot i have yet to have anymore problems.
I know it seems strange, but its a jeep thing.

John
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