2015 Silverado 2500hd 6.0

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Vortec1302
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2015 Silverado 2500hd 6.0

Post by Vortec1302 »

I have just purchased a intune for my 2015 Silverado 2500hd 6.0 and the transmission is just not right it there a large delay in downshifting and when it up shifts at wot it's like torque management is on it does shift quick enough there like a small pause between shifts even know torque management is turned off i would like it to shift fast and firm at wot.
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06MonteSS
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Re: 2015 Silverado 2500hd 6.0

Post by 06MonteSS »

so modify the tcm tune and adjust the shift pressure and shift speed to your liking..
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Vortec1302
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Re: 2015 Silverado 2500hd 6.0

Post by Vortec1302 »

I didn't see anything that has the shift speed in the intune
Vortec1302
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Re: 2015 Silverado 2500hd 6.0

Post by Vortec1302 »

Is there like advanced settings you need to use to be able to do that?
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06MonteSS
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Re: 2015 Silverado 2500hd 6.0

Post by 06MonteSS »

go through Advanced install, select the TCM tune you want to install, select to Modify the tune, and there should be settings in there for shift pressure, shift quickness, etc.. as long as you have the 6-speed GM tranny..

8 speed tranny and Allison tranny are not supported and can not be tuned/adjusted.
06MonteSS / DiabLew Tune
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2014 Camaro SS - 2SS, RS pkg., short-throw shifter, NPP perf. exhaust, BMR strut-tower brace, Cold Air Inductions cold air intake
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com -- www.diablocustomtuning.net
Vortec1302
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Re: 2015 Silverado 2500hd 6.0

Post by Vortec1302 »

i have checked i can increase the firmness but there is no setting for you to quicken shift.
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06MonteSS
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Re: 2015 Silverado 2500hd 6.0

Post by 06MonteSS »

shift time, shift speed, etc.. nothing?

when you go in to modify the TCM settings, what is available for settings in the menu?
06MonteSS / DiabLew Tune
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2014 Camaro SS - 2SS, RS pkg., short-throw shifter, NPP perf. exhaust, BMR strut-tower brace, Cold Air Inductions cold air intake
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com -- www.diablocustomtuning.net
Vortec1302
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Joined: Tue Jan 12, 2016 9:19 pm

Re: 2015 Silverado 2500hd 6.0

Post by Vortec1302 »

No there's nothing there just firmness and shiftpoints
Vortec1302
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Re: 2015 Silverado 2500hd 6.0

Post by Vortec1302 »

Is there any way you can make the changes ?
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dang
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Re: 2015 Silverado 2500hd 6.0

Post by dang »

Does your vehicle have a 8 speed transmission?
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06MonteSS
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Re: 2015 Silverado 2500hd 6.0

Post by 06MonteSS »

those don't come with the 8 speed.. only the 6-speed or allison..

he's able to install a tcm tune, so that tells me it's the 6-speed..
06MonteSS / DiabLew Tune
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2014 Camaro SS - 2SS, RS pkg., short-throw shifter, NPP perf. exhaust, BMR strut-tower brace, Cold Air Inductions cold air intake
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com -- www.diablocustomtuning.net
Vortec1302
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Joined: Tue Jan 12, 2016 9:19 pm

Re: 2015 Silverado 2500hd 6.0

Post by Vortec1302 »

Yes it is a 6 speed not a allison
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