Last post on Jun 01, 2013 at 11:25 PM
You are in the Jeep Cherokee and Jeep Grand Cherokee
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Jeep Grand Cherokee, Jeep, Electrical, SUV
#132 of 160 Re: 2005 Jeep Grand Cherokee Electrical issues [napagirl]
Sep 20, 2010 (11:56 am)
Cthessing & napagirl, I had similar issues in my 2005 Jeep Grand Cherokee, Limited, 5.7L. The inside panel lights would flicker on and off, A/C would work intermitently, wipers would come on and off on their own without rain, sometimes car wouldn't start, I would have to remove the key, re-insert and try again, it would shift roughly in and out of MDS, etc...basically the truck acted like it was possessed by Gremlins. My husband unplugged the negative battery cable for 20 minutes to allow the ECM to re-set and the car has been driving like new ever since. All of the electrical issues have disappeared. It might not be the cure for your vehicle too, but is an easy fix to try out.
#133 of 160 Re: 2005 Jeep Grand Cherokee Electrical issues [jeepers19]
Sep 20, 2010 (4:47 pm)
Thanks for the reply, Jeepers 19. We did just that to get the car to reset (disconn battery), but the problem would start up again intermittently. Was advised by a Jeep Mechanic online to replace the ignition switch (which we did ourselves- $45 vs $200 dealer). It has been about 10 days since we swapped it, and I have had no problems so far. I am assuming that was the fix (hopefully). According to the mechanic online, this is a common problem with the jeeps, and the swtich sends out low voltages to the accessories, and if there is a short, then the accessories can stop working. This is what would happen to us... things would stop working until we reset by disconnecting the battery. Then it would eventually do it again. We never experienced things coming on crazily like some others on this board did.
If ignition switch wasn't the problem, the online mechanic recommended flashing and/or replacing the PCM next.
#134 of 160 Re: 2005 Jeep Grand Cherokee Electrical issues [napagirl]
Sep 25, 2010 (5:04 pm)
I hope the ignition switch was the cure for your Jeep. Let me know if it does the trick and I'll replace mine. I know my battery disconnect was probably just a fly by night kinda fix. My JGC still seems to be running perfectly smooth after a month, but we'll see how long it lasts. After reading about all of the electrical issues people in this forum are having with their JGCs, I am tempted to just trade mine in. I would hate to do it because I really love the vehicle, but I'm afraid to take any chances with it on a road trip. You just never know when the electrical issues might resurface.
#135 of 160 Re: 2005 Jeep Grand Cherokee Electrical issues [jeepers19]
Sep 25, 2010 (6:43 pm)
It has been over 3wks and all is well Ignition switch seems to have cured my problem, but my things happened when turning jeep ON. see my original post which was very specific.
If not your problem, try having the PCM (power train control module) reflashed or replaced (expensive).
That's my only advice re: online mechanic I paid and consulted. He indicated for my specific problem to do ignition switch first, and it seems to have worked.
It was a $45 part, and my husband replaced it in an hour. dealer wanted ~200.
Oct 17, 2010 (10:16 am)
So I purchased a 2005 JGC Laredo about 3 months ago with 49k miles. Since then (now 52k), i have had the passenger-side power outlet replaced (blown fuse) and more recently, the CD player has ceased to work. (the radio still works). The dealership has determined that the CD module has had a "system failure" and that was the only code to appear throughout the Jeep. Also when driving, all the dashboard lights will turn on and off (about 3 times). In the meantime, the speedo and rev meter are going from the normal to 0 and back and forth. But the performance doesnt change. The dealership cant reproduce the e same problem ehter. Also the my JGC starts up on the 2-3rd start and not the first anymore. Does anyone know what is going on with my JGC!?!
Dec 15, 2010 (12:12 pm)
I have a 2005 Jeep Cherokee. Have same problem as many postings -- Dashboards icons flicker and outside lights flicker intermittently since Nov '08. I've recently replace the PCM but after the Instrument Cluster twice, a battery and an alternator. I'm STILL having problems AND the flashing as escalated at night with the dashboard and lights staying in the off mode Longer. I'm SCARED now and this is final attempt to get any suggestions for what to do next !!
Please Help !!
#138 of 160 Re: What else to do?? [jeeplover12]
Dec 15, 2010 (12:54 pm)
So, I've been there before. Good news though, since my last post I have had the problem fixed with the dashboard lights (knock on wood). I did a little research on my own and decided to have the dealership check for a code that doesnt appear on the computer unless they search for it. I had them search the code for the "ignition switch". The code came up and they said that it needed to be replaced. After they replaced the ignition switch, my Jeep has been running great. Hope this helps, its not too expensive but worth a try. Good luck.
#139 of 160 Re: Starting trouble pattern? [peteinnh]
Jan 18, 2011 (2:37 pm)
Ok guys I'm a 50 years old mechanic. 30 years in my SON bought a 1997 Jeep Grand Cherokee laredo omg any way running like it had a demon in it.
we first changed the fuel pump that was bad then looked like it had 4 lbs of mud in it. Cleaned the injectors checked for codes still same problem. Recently the distributer had been r&r new. code 320 replaced the Crank sensor. it started and ran better. But ruff idle, Then a noise started in the distributer but all of a sudden it was running better HUH? Changing the distrib in a few min. Maybe I should leave the noise alone. Auto Zone distrib hint hint... By a Chevy next time!
#140 of 160 ac compressor not working
Feb 01, 2011 (7:14 pm)
Just got done replaceing the head gaskets on my 2000 JGC 4.7. everything went fine. after all was done my ac compressor is not coming on. check all conectors. disconnect the ac switch and jump it compressor came on. replaced the ac compressor switch. still not working. did not disconect any of the ac system when doing the heads. plus check all fuses in the engine comparment. good. is there something else that i am missing, besides replacing the computer, because i think that would be the next thing. any help would be cool thank you
#141 of 160 PCM Module Out of Stock
Apr 06, 2011 (7:30 pm)
One month ago, my 2005 Jeep Grand Cherokee would not turnover to start. Had it towed to local jeep dealership. Diagnosed as a bad Power Train Control Module, to be replaced under warranty. Part has been on backorder for one month without any restocking date from "their vendor." Told by their Parts Dept that there are 43 other customers nationwide awaiting this after market part. They have no idea when it will be restocked. Fought for 2 weeks to get them to pay for a loaner/rental car. They OK'd and are paying for a stripped down Dodge Nitro that is a back killer to drive. Every week I call - they say there is NO RESTOCK DATE. I offered to let them keep my jeep as a trade in at Kelly Blue Book trade in value, plus the cash difference that I could afford to buy a new 2011 JGC with the comparable upgrades. They wouldn't accept my offer (a few thousand shy of their bottom line). My two questions:
1. What are my rights (their obligations) since they are not honoring their warranty; they can't tell me when, if ever, they will be able to get the PCM Module to replace it; and I can't use the car in its inoperable condition as a trade-in on any other makes if I choose not to buy another jeep???? Note: the Jeep District Manager refuses to meet with me to discuss the situation.
2. At this point, if they can't get the part, and since no one at Chrysler corporate will help, how can I get them to buy me out at the Kelly Blue Book trade in value so I can shop for another vehicle make?