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Old 05-10-2009, 11:05 AM   #1
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Default how to: computer reset

How do you reset the computer? Do you just remove the negative battery cable for a bit then reconnect?
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Old 05-10-2009, 11:54 AM   #2
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Yes, but I'm not sure how long is typically necessary. Someone more knowledgeable witll have to answer that. I've left mine off overnight, which is overkill I'm sure.
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Old 05-10-2009, 11:57 AM   #3
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i thought it was the positive not the negative.no wonder mines didnt do anything lol.
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Old 05-10-2009, 12:58 PM   #4
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I'm thinking it should be 10 min max.......anybody know out there??
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Old 05-10-2009, 01:00 PM   #5
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from what i have read everyone does 30 minutes
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Old 05-10-2009, 01:23 PM   #6
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i'm assuming you are trying to reset it because your going into the dealer for warranty work and you have a tune installed and your going back to stock. maybe im just lucky, but i left my tune installed and took it to the dealer and they didnt say anything about it at all. all the warranty work was done and have a nice day was all they said.
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Old 05-10-2009, 02:43 PM   #7
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It really doesn't matter if it's the positive or negative cable, as long as you kill power to the PCM. As far as time, I've heard 15 minutes being the shortest interval with 30 minutes being a safe number.

Resetting the PCM will reset the adaptive learning (which tends to cause our Stangs to become less aggressive) while not affecting the loaded tune.
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Old 05-11-2009, 03:01 AM   #8
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Quote:
Originally Posted by Nuke View Post
It really doesn't matter if it's the positive or negative cable, as long as you kill power to the PCM. As far as time, I've heard 15 minutes being the shortest interval with 30 minutes being a safe number.

Resetting the PCM will reset the adaptive learning (which tends to cause our Stangs to become less aggressive) while not affecting the loaded tune.
so as far as the "adaptive learning" thing goes, will loading the factory tune back in and then re-loading the aftermarket tune back in reset the adaptive learning thing?
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Old 05-11-2009, 03:54 PM   #9
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Quote:
Originally Posted by Nuke View Post
color=red]It really doesn't matter if it's the positive or negative cable, as long as you kill power to the PCM. [/color]
Not for PCM resetting, But it does matter for safetys sake.
Pulling the positive lead without removing the negative lead
first puts you in risk of danger from shorting
out the wrench to the body thats negative and shorting
out the battery. Also finger rings are a big no no as
if they short the battery thru the wrench, they will get
red hot pronto and burn a ring around your finger.

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Originally Posted by One Bad Stang View Post
so as far as the "adaptive learning" thing goes, will loading the factory tune back in and then re-loading the aftermarket tune back in reset the adaptive learning thing?
Negative battery cable, not the positive.
20 minutes to reset computer as per the Workshop Manual.
Reloading tunes does not reset the adaptive learning.
Follow the OwnersManual for the proper re-learning procedure.
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Last edited by 157dB; 05-11-2009 at 04:00 PM.
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Old 05-11-2009, 04:38 PM   #10
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Quote:
Originally Posted by 157db View Post
Not for PCM resetting, But it does matter for safetys sake.
Pulling the positive lead without removing the negative lead
first puts you in risk of danger from shorting
out the wrench to the body thats negative and shorting
out the battery. Also finger rings are a big no no as
if they short the battery thru the wrench, they will get
red hot pronto and burn a ring around your finger.



Negative battery cable, not the positive.
20 minutes to reset computer as per the Workshop Manual.
Reloading tunes does not reset the adaptive learning.
Follow the OwnersManual for the proper re-learning procedure.
157db can you please tell me what is the proper re-learning procedure after the battery been disconnected.i dont have an owners manual.thank you
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Old 05-11-2009, 04:38 PM
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