06 TJ Rubicon 42RLE or PCM PROBLEM? - JeepForum.com
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Unread 10-19-2012, 09:36 PM   #1
PurposeBuilt
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06 TJ Rubicon 42RLE or PCM PROBLEM?

I just bought this 06 TJ (used to own a 00 TJ) and have read and read and read some more about the dreaded "hard shifts" and tranny issues. Also read about replacing or re-soldering the PCM...I'm about to spend $350 on o2 sensor and temp sensor on tranny (labor included) I've pulled the negative battery cable a handful of times to reset "memory" only to have problem return days later. Should i hold off on the sensors or should i spend my money on the PCM? Any help, opinion or perspective is greatly appreciated!

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Unread 10-20-2012, 12:05 PM   #2
rjaargo
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What code are you getting???? I have an 06 with the same trans. Mine was rebuilt just weeks ago because of a over temp code. However what caused the trans to over heat was the torque converter. I myself thought it was a PCM problem and it wasn't. Also the valve body on mine was replaced 4 times the temp sensor is part of the valve body.
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Unread 10-20-2012, 12:20 PM   #3
rjaargo
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Also I forgot to tell you I also had O2 codes before rebuild. Since rebuild NO O2 codes.
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Unread 10-20-2012, 05:43 PM   #4
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P0714 intermittent temp sensor (Trans)
P0418 cat warm up (o2)
Wow thanks for the feedback! How much did your tc rebuild cost?
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Unread 10-20-2012, 05:46 PM   #5
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Actually what did the new tc cost you m
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Unread 10-20-2012, 05:58 PM   #6
rjaargo
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I spent about $1900 to rebuild the trans and $1300 for the PCM replacement
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Unread 10-20-2012, 06:11 PM   #7
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Holy wow! But you say the PCM wasn't necessary?...
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Unread 10-20-2012, 06:19 PM   #8
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I can't receive personal messages yet, not enough posts? Don't know?
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Unread 10-20-2012, 06:20 PM   #9
brockj
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i had a 2003 tj and was having pcm trouble. i got a rebuilt one off ebay for about $300. you send them your vin# and mileage. they program it so all you have to do is plug it in and go, and its a lifetime warranty. i ran the rebuilt one for about 10,000 to 15,000 before i sold it and never had any trouble with it. just an option
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Unread 10-20-2012, 06:28 PM   #10
rjaargo
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No the PCM didn't fix the problem
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Unread 10-20-2012, 06:29 PM   #11
PurposeBuilt
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Brockj i was reading your posts and i bookmarked them and wrote down the company that sells those pcms, i will definitely go that route too, if needed.
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Unread 10-20-2012, 06:31 PM   #12
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Do either of you know how too rule out one or the other? I'm actually a mechanic at a golf course, but not an electrical engineer? Haha
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Unread 10-20-2012, 06:34 PM   #13
rjaargo
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I am a mechanic also but I took mine to the dealer and had the diagnose it that way if they are wrong they can fix it. You can also try and go to google and type in the code along with year and make of the vehicle. Helped me a little before taking it to the dealer.
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Unread 10-20-2012, 06:34 PM   #14
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Thank you both for your help...I'm torn at what route to go
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Unread 10-20-2012, 06:36 PM   #15
rjaargo
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When driving it does it go into limp mode???
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