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SUVs Jeep Cherokee and Jeep Grand Cherokee Jeep Grand Cherokee Limited Smartkey Problems?
11 messages, Last post on Jun 05, 2009 at 5:51 AM
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Hello all, I'm driving a 2004 Grand Cherokee Limited with approx. 95,000 miles. About two days ago I was out in the mountains and got back to my car from a hike and she would start, run for about two seconds and then stall out from what seemed to be a lack of fuel. All of my gauges were flat dead. After about two hours of messing around, I managed to get it started by spraying down the connections to the alternator with some contact cleaner. I don't know why this worked. The car ran normally to get me home. The next day, I had to go back to that same spot to look for something I had lost (all normal getting there), and when I got back in the car and started it; it did the same thing once, then started and ran. All was fine for about five miles, and then my gauges started going haywire. They would work normally and then drop off randomly, and not in unison. Various random warning lights were going on and off. Also, my drivers side window and door locks stopped functioning at this point, but would work when the gauges were working. There were a few other bugs, such as the cruise control and steering wheel mounted stereo controls not working. I immediately went home and parked it. Upon trying to start it again, it did the same thing...started strong, ran for about two seconds, then died from what seems to be a lack of fuel. I borrowed a code reader and got two codes which read as follows: P1696 - No CCD/J1850 Message From TCM. "No CCD/J1850 messages received from the electronic transmission control module (EATX) or the Asian transmission controller)" P1686 - No SKIM BUS Messages Received. "No CCD/J1850 messages received from the Smart Key Immobilizer Module (SKIM)" The smart key system seems to be the issue. My understanding is that the anti-theft system is operated by shutting off the fuel pumps, so this makes sense. Additionally I get the icon of a key with a line through it for on the dash when trying to start the car. What confuses me is the other issues showing up, the gauges dancing and various, seemingly unrelated electrical bugs. Could this be a result of issues with the ground strap? Could a loose ground strap be the root of all of the issues? If so, where could I find information on repairing it? My Haynes service manual is completely devoid of information on this. Thank you for your time and input. |
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Replying to: trailrated39 (Mar 25, 2008 11:28 am) 
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Replying to: trailrated39 (Mar 25, 2008 11:28 am)
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Replying to: tuggajb (Apr 03, 2008 6:22 pm) Fortunately for myself the Jeep was still under warranty. I can't imagine this is cheap.
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Replying to: eltipo (Apr 04, 2008 10:14 am) |
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I have a 2001 JGC and one day I went to start the Jeep and all the dash board icons were lit up along with all my gauges being dead. I hit the fuse box and it all came back on but for a limited time. If the iginition key is turned to ACC, all the gauges work. It is when the Jeep is started lights will light up and gauges go dead. I took the Jeep to the Local Auto Zone to be tested and it reported the SKIM MODULE needed replaced. I ordered the SKIM MODULE thru Jeep and replaced it myself. The lights are still lit up and gauges dead but an additional problem as popped up----the Jeep will start but will die after a few seconds. Does the KEY have to be reprogrammed to match the NEW SKIM module or could the problem be something else? Any help would be greatly assisted. Thanks.. 
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| as for the key it needs to be re programed(all of your keys) with the DRB scann tool. also if it does read the key the key light should flash. found that in my owers manuel. if the key light comes on and stays on the skim is not connceting to the pcm. i have been worken on my wifes 2000 jeep with the same problems and found the c1 connector at the pcm was loose. if i wiggle it everything works. does anyone know if jeep sells the conncetor? it does not lock on right.. | |
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Replying to: billv1 (Sep 18, 2008 5:52 pm)
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Replying to: tlindsay (Dec 25, 2008 2:13 pm) It helped me with the same problem, and solved it today. Hope this works for you too. |
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Hey, Is there any way to bypass the SKIM system. Seems to me that this system is just a rip off to make Jeep owners spend large sums of money for keys, programming and additional services that would not be required otherwise. Some bean counter must have thhought this one up to squeeze more money out of the consumer. Regards, Mike
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