PCM Reset - Dakota Durango Forum
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post #1 of 14 Old 06-21-2009, 09:12 PM Thread Starter
pompey657
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PCM Reset

Hi

I have recently read a post regarding reseting the pcm to clear engine management lights. Can anyone inform me if this is correct?

Can someone point me to the location of the pcm, which connector to disconnect etc.

Many thanks
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post #2 of 14 Old 06-22-2009, 10:12 AM
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Just disconnect the negative battery terminal
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post #3 of 14 Old 06-24-2009, 05:33 PM Thread Starter
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I already read this option, but have seen another post regarding resetting codes by disconnecting the pcm connector...can anyone point me to that location as another option and also where is it located?
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post #4 of 14 Old 06-24-2009, 06:09 PM
bwdakrt
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The PCM is located on the passenger side above the fender well and has 3 connectors or plugs. Disconnect the back one or closest one to the firewall for about one minute and then reconnect.
post #5 of 14 Old 06-24-2009, 08:10 PM
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Quote:
Originally Posted by bwdakrt View Post
The PCM is located on the passenger side above the fender well and has 3 connectors or plugs. Disconnect the back one or closest one to the firewall for about one minute and then reconnect.
I would still remove the negative battery cable before pulling the plug. It sure would suck to fry your PCM...
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post #6 of 14 Old 06-24-2009, 10:35 PM
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Just pull the connectors on the PCM. It saves your radio settings and won't do a damn thing to the PCM.

BTW - This will only clear erroneous codes, if there is an existing problem, the light will be back.
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post #7 of 14 Old 06-24-2009, 10:40 PM
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Don't worry about frying your PCM, it's another one of those scare tactic myths. Been resetting my PCM this way for going on 8 years with no problems. That was up until I bought the digitmoto software to clear with my laptop. That way i don't lose my adaptive learning.

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post #8 of 14 Old 06-25-2009, 01:57 PM
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To each their own, I certainly wasn't trying to "scare" anyone... I just use my Superchips, but resetting my clock and radio presets is well worth the effort to me if it helps avoid issues. Afterall, what is 5 minutes of my time really worth? Alot less than the hassle of ruining something. I don't see how its any different than doing any other work on your vehicle. I always remove my negative cable.
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post #9 of 14 Old 06-25-2009, 02:50 PM
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Depending on what radio you have and what options it has, resetting the radio functions can take awhile. Mine has station naming presets and it takes a good 30min to reset everything.

You actually remove the neg terminal when you do work on your vehicles? C'mon. If you're worried about some fool coming along and turning the key on, put it in your pocket. I, personally, prefer to listen to the radio while I work.
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post #10 of 14 Old 06-25-2009, 07:31 PM
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Quote:
Originally Posted by caulk04 View Post
Depending on what radio you have and what options it has, resetting the radio functions can take awhile. Mine has station naming presets and it takes a good 30min to reset everything.

You actually remove the neg terminal when you do work on your vehicles? C'mon. If you're worried about some fool coming along and turning the key on, put it in your pocket. I, personally, prefer to listen to the radio while I work.
Fancy pants eh? I don't remove it everytime, but I try to anytime I am dealing with electrical components or wiring harnesses. I listen to the radio in the garage...
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post #11 of 14 Old 06-26-2009, 02:06 AM
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Agree to disagree I guess.
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post #12 of 14 Old 06-26-2009, 05:48 PM
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Quote:
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Agree to disagree I guess.
Never!
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post #13 of 14 Old 07-04-2009, 11:10 PM Thread Starter
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I have checked under the hood of the durango. On the passenger fender is a bunch of connectors that contain 4 black connectors. Is this the PCM?
Also they have red clips on top, how do these disconnect?
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post #14 of 14 Old 07-05-2009, 03:14 AM
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Is there a fuse to reset the PCM. I know Neons have one so I thought D's should too.
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