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Old 09-16-2013, 06:55 PM   #1
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CAI & fuse 47

Just read on another thread that after installing CAI on an auto trans you should pull fuse 47 as a learn mode. Could someone explain as I have never heard of this? Also, is there any write-ups on this somewhere?

Thanks..............
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Old 09-16-2013, 07:45 PM   #2
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Just read on another thread that after installing CAI on an auto trans you should pull fuse 47 as a learn mode. Could someone explain as I have never heard of this? Also, is there any write-ups on this somewhere? Thanks..............
It helps with learning how you drive. Of you drive a week or so in stop n go and notice that when you open it up it doesn't go right or is sluggish or your shift points are funky, pull the fuse. Wait 10 and then put it back in and it'll reset it to a brand new ready to learn state. I do it on occasion but if you're tuned, I'd advise not to.
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Old 09-16-2013, 08:59 PM   #3
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Actually, you don't have to disconnect the battery. You can pull fuse #47 for 10 minutes and then plug it back in and this will reset the adaptive shifting. It will last about 10 driving hours, but I pull the fuse every other Sunday when I check the oil and air in the tires of both my cars. Here's a link to another forum that has gone over this issue in great detail.

http://www.allfordmustangs.com/forums/2011-v6-mustang-tech/343664-easy-button-adaptive-shifting-snafu.html

They figured out a way to mod the reset of the adaptive shifting, but all you have to do is pull fuse #47 in the engine bay for 10 minutes and you're good to go. It really does work, no sluggishness, better shift points, and better throttle response. This will work for you until you're ready for a tune. I'm thinking either a Bama hybrid tune or an MPT tune. Anyway, try it tonight and you'll see the difference.
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Old 09-16-2013, 10:25 PM   #4
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It helps with learning how you drive. Of you drive a week or so in stop n go and notice that when you open it up it doesn't go right or is sluggish or your shift points are funky, pull the fuse. Wait 10 and then put it back in and it'll reset it to a brand new ready to learn state. I do it on occasion but if you're tuned, I'd advise not to.
So I don't need to pull it if I have tuned
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Old 09-16-2013, 11:41 PM   #5
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So I don't need to pull it if I have tuned
I wouldn't because I believe it's disabled through a tune and may mess up the tune
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Old 09-16-2013, 11:54 PM   #6
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I'd check with the folks that created the tune to see if their tune disables or overrides the "adaptive learning" of the automatic transmission. I know my tune from MPT firmed the shifts, but not sure if it disabled the adaptive learning. I have done little city driving as of late, so I'm not sure if the MPT tune I have installed has done this. I'll have to check with them.
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Old 09-17-2013, 08:09 AM   #7
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^+1 Absolutely check with whoever wrote your tune. I wouldn't assume anything with the kind of money we're all spending on our rides. It would be worth finding out if the tune does or doesn't disable the adaptive system. If the tune doesn't diable it, perhaps you could request that the tune disables it if it's possible. This would be worth finding out and letting other members that have a tune with an automatic know about the result.
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Old 09-17-2013, 12:30 PM   #8
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By removing the fuse for 10 minutes, how long will the learn be disabled or take to re-learn? I take it there is no way to disable the learn process on a non-tuned vehicle. Can/would a dealer disable on request (for costs)?
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Old 09-17-2013, 01:18 PM   #9
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By removing the fuse for 10 minutes, how long will the learn be disabled or take to re-learn? I take it there is no way to disable the learn process on a non-tuned vehicle. Can/would a dealer disable on request (for costs)?
As I stated earlier, you can pull fuse #47 for 10 minutes and then plug it back in and this will reset the adaptive shifting. It will last about 10 driving hours, but I pull the fuse every other Sunday when I check the oil and air in the tires of both my cars. Here's a link to another forum that has gone over this issue in great detail.

http://www.allfordmustangs.com/forums/2011-v6-mustang-tech/343664-easy-button-adaptive-shifting-snafu.html

The above link also shows you how to do the mod if you want to. A dealer would not modify this as it's part of the manufactured system. Think about it If you take a little time to read that thread (I know there's alot) you'll see what's happening. It's really quite interesting. The more you know about the car's systems, the easier it is to understand the mods.
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