DVT in the scan tool

Samdweezel05

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Jul 21, 2008
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I would like to be able to hold a gear wile on the dyno. I see in the DVT section under the allison 5 speed TCM you can do it but I am not sure how to get it to work. I have it activated but it doesn't seam to hold the gear I want wile I am driving. Is there a trick to it? Thank's

Phil
 

beach_33

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Feb 18, 2008
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des moines, IA
with out having it hooke up to my truck i think you have to push the activate button then there should be a check box in the corner of the gear that you want to select. check this box then click on the tab for that gear
 

beach_33

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Feb 18, 2008
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des moines, IA
well my suggestions would be to go through those steps just in different orders. i cant remember what the order is for getting it to lock in to gear
 

slowlmm

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Mar 2, 2008
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so cal
you also need to set the dvt controll settings for mph in your tcm or it will deactivate after 40 mph or so