I had posted a few weeks ago with all of the same issues with the gauge cluster going nuts, window/ door locks not working/ clicking.. (99 GC Laredo) I disconnect my battery (only the positive) every night when I go to bed. When I head to work in the a.m. I reconnect and the gauges are good for the day, sometimes a little longer, but no longer than 2 days. I have done this for 6 months now- it's seriously getting old, especially with the crazy Maine weather we have!
Last friday it was -30 out and the gauges tripped out within an hour.. (on my way to Boston- yah, that sucked!) It is the first time I considered the weather playing a role?? My husband and I have gone through the Jeep and tried all the suggestions that have been listed here to no avail.
Some people seem to have more luck with disconnecting the battery, and things seem to be fine for a while, but it always comes back. We replaced the window/ door switches, PCM, BCM, gauge cluster, battery and terminals. When the Jeep acts up I turn the key back and forth to get the codes and it always reads the same.. (I think it's P1608? I cant remember right now, but the Jeep garage says it has nothing to do with my problems??)
My husbands boss went through the same thing, spent $1500 at the local Jeep dealer, only to have it screw up afew days later. He replaced his window/ door switches and he's had no trouble in months. Unhooking the battery reset his issues for a while as well, but it always came back, and he always had that sentry key light on too..
My BIGGEST QUESTION to everyone here: the Sentry Key light?! Is it always on even when the vehicle is running good? Mine is... Even on my old gauge cluster it stayed on..
It's the yellow key light symbol with a line through it on the right side of the gauge cluster...
My local Jeep dealer/ garage seems to think that is the ticket to all these problems.. Although he still has no direct answer, he is looking into it. I told him of this forum and all the same issues. Hopefully he will help us all figure something out?
So how about the sentry key lights guys?? Does yours stay on as well?? Thanks for the input, stopping by the Jeep dealership in the a.m., will keep you all updated as to what I find out.
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