Duramax Diesels Forum Truck of the Week
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Old 10-06-2018, 05:49 AM
hheppner hheppner is offline
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Default Need a Stock Tune for OS 15196784

Does anyone have a stock tune or hot tune for a 2005 LLY with OPERATING SYSTEM VERSION = 15196784 and TRANSMISSION VERSION = 15196778? My truck is a manual trans. Also, I am looking to disable EGR as well.

Last edited by hheppner; 10-06-2018 at 05:57 AM. Reason: Update
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Old 10-06-2018, 05:51 AM
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TheBac TheBac is offline
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Moved into its own thread so people will see it.
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Old 10-06-2018, 09:39 PM
1FastBrick 1FastBrick is offline
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That looks like an early OS.

Any particular reason you need that specific one?
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Old 10-07-2018, 08:29 AM
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I tried searching 05 stock files I found, and couldnt find that OS.
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"BBT" -- 2003 GMC CC/SB 4x4 12.14@111.15
"The Cruzer" -- 2014 Chevy Cruze Diesel -- the fun little DD
"Kleshay" -- 2000 C5 Corvette -- the toy
"The Bigger Boat" -- 2011 Workhorse P700 - 6.0LS/Allison - what I drive at work


Two wrongs dont make a right, but three rights do make a left.

Reality is a matter of perspective.

This forum isn't for the weak of heart.....or wallet.

"Lets build a race car they said. Itll be fun they said. I don't know who "they" are.........but they need a good punch in the face!" -- mufflerguy (yb)
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Old 10-07-2018, 09:20 AM
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GMC_2002_Dmax GMC_2002_Dmax is offline
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Here ya go


Trans File for an Allison AND A STOCK LLY ZF6/shortbed Engine File
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Old 10-16-2018, 05:31 PM
hheppner hheppner is offline
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Thanks for your help. I will let you know how it turns out.
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Old 10-16-2018, 05:36 PM
hheppner hheppner is offline
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No, I thought you needed the same OS the ECM has. If I could or can, how would one upgrade the OS on the ECM? Is it just by whatever tune file you have or what?
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Old 10-16-2018, 10:42 PM
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DAVe3283 DAVe3283 is offline
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You can changes OS by full flashing the ECU or TCM with a tune with a different OS. EFILive really makes it easy for us in that regard.

Just be sure to read and heed the warnings about the full flash. A cal flash is almost impossible to brick an ECU, but a full flash gone wrong can.

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