Looking for 2010 LMM stock tune

Bdsankey

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The other option is you can mail me your modules and I can update them to the most current GM software as well as provide you EFILive & HPTuners reads for both.
 

whitegmc06

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May 19, 2025
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Yes it has a dsp5 i tried to flash a tune in it that I had, and it took but then I tried to make changes to it and flash it in again and it comes up error codes I've tried unplugging fuses and still no luck so that's when I thought maybe it's in the file that I have made off of another stock tune? So I am confused ? because I seen on here from other people that it has to be the same operating system right? And the one I used was an 09 I think and this one is a 10
 

Bdsankey

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So you will NOT be able to read out a DSP5 file, that is why you're getting errors.

You will need to get a stock file for your VIN. If you do not have the capability to flash it with a known file with correct segments for your VIN then I would not flash a file you find into it. I have most of your segments but not all.

If I had your modules in my hands I could flash them back to factory updated GM programming and pull read files to send to you. This guarantees the proper segments (pieces of the tune) are in the module and that all traces of the modified file are removed.
 

darkness

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Yes it has a dsp5 i tried to flash a tune in it that I had, and it took but then I tried to make changes to it and flash it in again and it comes up error codes I've tried unplugging fuses and still no luck so that's when I thought maybe it's in the file that I have made off of another stock tune? So I am confused ? because I seen on here from other people that it has to be the same operating system right? And the one I used was an 09 I think and this one is a 10
are you full flashing your changes? You have to with a dsp5.
 

whitegmc06

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May 19, 2025
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Ok and yes I have been trying to do full flashes, I did a full flash first and it took, then made changes and tried to do a cal flash and it reads and then says erasing and then goes to program and throws codes
 

whitegmc06

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May 19, 2025
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Indiana
But the truck runs and drives still and it runs different then it did but..... The tunes do not seem to change. I'm sorry I'm new to this.? But I'm trying to learn a little. I have an 06 Duramax that I use to pull with that's one of the reasons I got a flash scan to do tuning, because not very many people will even touch anything now expessally when you start adding more injectors it seams like
 

Bdsankey

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Friend of mine came through. This is a 100% matching file from GM SPS.
 

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  • E35B_1GC4KVB69AF123515_stock.ctz
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whitegmc06

Member
May 19, 2025
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Indiana
I have one more question, is it really necessary to pull fuses on lbz and up? Or is that more of an lly thing? When flashing tunes.