Newly installed SCT Tuner, now tranny slamming into gears - Ford Powerstroke Diesel Forum

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post #1 of 5 Old 05-16-2011, 06:19 PM Thread Starter
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Newly installed SCT Tuner, now tranny slamming into gears

Just installed my SCT Livewire. Not real impressed with the instruction manual as it does not tell what each option means or is for, it just tells you what options you have. So unless you know alot about these programmers it is a waste of time to even offer these options. I changed the transmission shift from 0mph to 7mph, I have no idea what I did or what it meant. Now when it is a custom tune it is slamming into each gear at a slow speed. If I start around 20mph or more it shifts fine. When I change to pretune extreme it is still slamming into gear acting like it wants to come out of the last gear unless you get into the pedal. Very strange acting, any ideas or direction someone can give me?
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post #2 of 5 Old 05-16-2011, 06:56 PM
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-I believe that the 0 mph shift allows u to change when your trans shifts above the set point, whether its a custom tune or canned. i wouldn't change it on a custom tune. for example, 4 mph shift changes your trans to shift 4 mph later than programmed. At least this is what i gather from talking with sct. As far as the slamming into gear goes, my truck did the same thing when i would first change tunes. Try doing a trans relearn.

2008 Ford F250 CCSB, with goodies

95 F250 ECLB 2wd
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post #3 of 5 Old 05-16-2011, 06:59 PM
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from what I've read about the 5r110w's they are constantly relearning



2006 F350 CC LB SRW 4X4
-Goose Neck
-updated STC, Dummy Plugs, standpipes, oil feed line, "Blue" fuel pressure spring
-SCT Livewire TS w/Pyro "Looney Tuned"
-RECON smoked clearance lights, black OEM grill
-Kitty and Muffler delete
-POWERMAX TURBO
-58V FICM from QuickTricks
-Huge WISHLIST
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post #4 of 5 Old 05-16-2011, 07:18 PM Thread Starter
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Originally Posted by fluid View Post
-I believe that the 0 mph shift allows u to change when your trans shifts above the set point, whether its a custom tune or canned. i wouldn't change it on a custom tune. for example, 4 mph shift changes your trans to shift 4 mph later than programmed. At least this is what i gather from talking with sct. As far as the slamming into gear goes, my truck did the same thing when i would first change tunes. Try doing a trans relearn.
thanks for the info, now how do I do a trans rlearn? is this done thru the SCT?
any other issues you may have had with your SCT?
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post #5 of 5 Old 05-16-2011, 08:15 PM
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you can search to find a couple of different ways faster than i can type it. No other problems with my sct, tech support isn't the best but they are reachable and sometimes solve your problem. I had a stock file problem and they remote logged on to my computer and downloaded my stock file, corrected it and loaded it on my livewire while on the phone. They dont give you alot of info for the options on the livewire or live link online either.

2008 Ford F250 CCSB, with goodies

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