LBZ: Stock Cab and chassis OS needed

E.carter

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Feb 16, 2008
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Princeton, Iowa
long story short, I screwed up and flashed tunes to my 06 chevy 3500 extended cab and chassis service body truck and never pulled the stock file that I need now because current tuning does not allow transfer fuel pump to turn on so rear tank stays full.

I found a Tis link Pat posted and from what I saw using the VIN it says I should have 12632485 OS? If anyone one has the correct file for this and would be willing to share please let me know here or at [email protected]

I have a buddy with a shop and all the tools and computers to do it but its vacation time for him. Local dealer said it takes them a hour to hour and a half at 95 bucks a hour. I couldnt hold back a laugh at service manager when he said that kind of time... 10-15 minutes is more like it:thumb:

VIN: 1GBJK39D26E139343

Thanks, Eric
 

LBZ

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Jul 2, 2007
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B.C.
I thought I had all the LBZ stock OS tunes but I guess not. No 2485 in my collection. Sorry.
 

E.carter

Member
Feb 16, 2008
637
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Princeton, Iowa
Thanks for checking LBZ.

I am not sure if that is just the most current OS for it or not.
Here is the list that shows up on TIS for my VIN.

12601102 - Boot Software

12603051

12603626

12604140

12606130

12616700

12632485
 

IdahoRob

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Jun 5, 2007
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The 12632485 is the boot software number not the main OS number which is 12632483 which is the latest LBZ OS
I sent you a dual tank matching OS.