Hard 1-2 Shift in SD Mode

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May 2, 2007 | 05:02 PM

LS1BlackBird99

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From: Memphis, Tennessee

Hard 1-2 Shift in SD Mode

I just unplugged the MAF to do some SD tuning and the 1-2 shift is now so incredibly hard that it feels like it is going to break the trans itself. Anyone have any idea of what I may be missing?

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Bolt-On Tune 1-2 original.hpt (456.8 KB, 123 views)

May 2, 2007 | 05:14 PM

foff667

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From: Clermont, FL

Under Trans Diag-Max line pressure DTC

set all 3 to disabled.

May 3, 2007 | 12:57 AM

LS1BlackBird99

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Quote:

Originally Posted by foff667

Under Trans Diag-Max line pressure DTC

set all 3 to disabled.

Thank you. I will try that tomorrow!

May 5, 2007 | 11:56 AM

WhiteStallion00

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WOW! I've been struggling with this EXACT problem (I have the MAF fail freq. set to 0 to stay in SD). I'm going to give this a shot too, I've tried everything else.

May 5, 2007 | 12:15 PM

LS1BlackBird99

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Quote:

Originally Posted by WhiteStallion00

WOW! I've been struggling with this EXACT problem (I have the MAF fail freq. set to 0 to stay in SD). I'm going to give this a shot too, I've tried everything else.

It works!!