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Old 04-23-2014, 11:52 AM   #1
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Help with pcm

Hey everyone. I'm quite new to the forum. Just wanted to say hey first off and introduce myself, and also to ask for some advice. I recently purchased a 2006 wrangler x. Love it. Needed a little tlc on the interior but nothing I couldn't handle lol. Well after changing the oil( bc I had no idea when the last time it was serviced) and a minor tune up, my cel came on after about 30 miles. Took her to an autozone to have codes read and showed: p0700, p1604,p0613. Thinking I had knocked something loose I went over all connections and found one wire bundle connector was loose. Plugged back in disconnected battery for 30 mins to reset codes. Drove around cel came back on. Searched through the forums for similar issues, did a reflash for the pcm and the cel came back on after about another 15 miles. No startup or idle issues associated with it though as I read with others having problems. Don't know what to do any advice would be helpful and truly appreciated

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Old 04-23-2014, 12:05 PM   #2
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Does it shift normally? Manual or auto trans?

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Old 04-23-2014, 12:21 PM   #3
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Auto transmission. And shifts fine. No lurch from first to second as I saw mentioned with other people with similar pcm issues
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Old 04-23-2014, 02:13 PM   #4
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A little copy and paste from someone with a PT Cruiser with the same codes:

"The P0700 is an indicator code telling you that there are more codes in the transmission computer. Given the fact that you also have the other 3 codes, I wouldn't be concerned with this code right now.

The remaining 3 codes all indicate internal failures with the PCM/Computer.

I would suggest that all of your fuses be tested first, and if the fuses are all good, then you will need to replace the PCM to get the light to turn off.

Once you have the fuse or PCM replaced, then you can see if your P0700 code returns or not, but if you are not experiencing any transmission shifting concerns, then this is also likely due to the internal fault with the PCM"

Good luck on this.
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Old 04-23-2014, 07:28 PM   #5
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Thanks shoe I'll replace all the fuses tomorrow just to be safe and test them. Ill keep you updated
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Old 04-24-2014, 08:22 AM   #6
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Just to let you know. Disconnecting the battery cables(+/-) does not clear codes. You will need a code reader to clear the codes. These are a moderate expense if you purchase one, or you can go to Autozone, or NAPA, and they will clear the codes for free. A two minute process.

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