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Jeep Grand Cherokee Limited Smartkey Problems?
20 messages, Last post on Sep 15, 2011 at 7:14 AM
You are in the Jeep Cherokee and Jeep Grand Cherokee Forum.What is this discussion about? Jeep Grand Cherokee, Electrical, SUV
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#19 of 20 hey by champ424
Aug 30, 2011 (9:28 am)
how did everything work out for you? the garage is running full diagnostics on it, but i too believe its something to do with the pcm.
#20 of 20 Re: 2001 Jeep Grand Cherokee [champ424] by mgraham515
Sep 15, 2011 (7:14 am)
Replying to: champ424 (Aug 16, 2011 10:10 am)
I had the same issues with my 2001 Jeep Grand Cherokee about 2 months ago. In the end it was the PCM. Problem started with gauges not working. Then starting/stalling issue. No a/c, windows occasionally would not work. After researching a lot of forums and blogs I tried several things. Cleaned battery terminals. Tested several modules for a short (window, MIC etc..). I had 2 problem codes, P1686 (no SKIM bus) and P1687 (no MIC bus).
The PCM is expensive. I was quoted $700.00 for a new one, not counting labor. The PCM has to be programmed to your vehicle but, this doesn't have to be done by the dealer like they want you to think. I found a company out of FL that sells refurbished and programmed PCM's. Allcomputerresorces.com. My jeep has been running fine since I replaced it a month ago. It was very easy to replace.
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