Duramax Diesels Forum Truck of the Week
  #1  
Old 01-27-2017, 10:51 AM
whozzat whozzat is offline
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Default stock LML tune

looking for a stock LML tune for a 2012 Denali 2500HD CC SB

Boot Software: 12649331
Slave Operating System: 12649245
Main Operating System: 12649244
Engine: 12655908
Speedometer: 12649774
System: 12655947
Fuel system: 12649741
Engine diagnostic:12655917
Engine Operation:12655910

Thanks
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  #2  
Old 01-27-2017, 11:47 AM
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Some vendors sell them. Tony at ridgerunner has them. Nobody is going to give one away if that's what you are looking for.
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Old 01-27-2017, 02:49 PM
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That's one I don't have. I only have 2 2012 2500hd tune files, and neither one has the right system segment.

I found a 3500 file with the correct system segment, so I now have your file.
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1995 GMC 2500 SUBURBAN powered by 01 DURAMAX/ALLISON, little of this, a little of that,
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Last edited by THEFERMANATOR; 01-27-2017 at 03:06 PM.
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  #4  
Old 01-27-2017, 10:16 PM
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Stock LML cals for 2012. Is dealer not an option?
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Old 01-27-2017, 11:26 PM
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Quote:
Originally Posted by KyleC4 View Post
Stock LML cals for 2012. Is dealer not an option?
The dealer can flash the ecm, but that does no good for somebody wanting the cal to modify it since the lml cannot be read via tge obd2 port. You have to obtain the tune files directly from the ecm's internal data port after you install a jumper to activate data transmission. Lml tune files are not easy to just get like prior generations were.
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1995 GMC 2500 SUBURBAN powered by 01 DURAMAX/ALLISON, little of this, a little of that,
DIAMONDEYE 4" exhaust, CORSA muffler, AFE stage 1 dry filter, custom tuning by me, KENNEDY single pump and pump rub kit.

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  #6  
Old 01-28-2017, 03:16 AM
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Quote:
Originally Posted by THEFERMANATOR View Post
The dealer can flash the ecm, but that does no good for somebody wanting the cal to modify it since the lml cannot be read via tge obd2 port. You have to obtain the tune files directly from the ecm's internal data port after you install a jumper to activate data transmission. Lml tune files are not easy to just get like prior generations were.
Ferman, do elaborate the highlighted above....
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Old 01-28-2017, 12:54 PM
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Quote:
Originally Posted by c20elephant View Post
Ferman, do elaborate the highlighted above....
The LML ECM is locked down by GM. Software cannot "read" the tune files. Only way to do it is to make a direct jumper onto the ECM circuit board with the proper equipment to even be able to "see" it. Even then a lot of the files and tables that would normally be used for modifying are not able to be seen. Kory at PPEI figured out how to "trick" the ECM into seeing what he wanted it to see. I don't know the exact details so please forgive my dumbed down version. This is why Kory at PPEI and EZ Lynk are making a killing now because he was the one that figured out how to do it and be able to "trick" tune it. Its still a far cry from being able to plug in with EFI Live and see/manipulate all the tables but at least now it can moderately tuned. This is why the OP will not get a stock tune file handed to him. Kory and many other invested a massive amount of time, money and equipment to be able to get their hands on the stock LML tune so they aren't going to give it away and ruin their business.
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AFE Stage II w/Pro-Gaurd 7; E/J w/A;
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Old 01-28-2017, 07:33 PM
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What's your email I can send you one.
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Old 01-28-2017, 08:25 PM
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Quote:
Originally Posted by THEFERMANATOR View Post
The dealer can flash the ecm, but that does no good for somebody wanting the cal to modify it since the lml cannot be read via tge obd2 port. You have to obtain the tune files directly from the ecm's internal data port after you install a jumper to activate data transmission. Lml tune files are not easy to just get like prior generations were.
Oh got it. I thought the guy just wanted to flash his truck back to stock. My misinterpretation.
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  #10  
Old 01-28-2017, 08:33 PM
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Quote:
Originally Posted by DangerousDuramax View Post
The LML ECM is locked down by GM. Software cannot "read" the tune files. Only way to do it is to make a direct jumper onto the ECM circuit board with the proper equipment to even be able to "see" it. Even then a lot of the files and tables that would normally be used for modifying are not able to be seen. Kory at PPEI figured out how to "trick" the ECM into seeing what he wanted it to see. I don't know the exact details so please forgive my dumbed down version. This is why Kory at PPEI and EZ Lynk are making a killing now because he was the one that figured out how to do it and be able to "trick" tune it. Its still a far cry from being able to plug in with EFI Live and see/manipulate all the tables but at least now it can moderately tuned. This is why the OP will not get a stock tune file handed to him. Kory and many other invested a massive amount of time, money and equipment to be able to get their hands on the stock LML tune so they aren't going to give it away and ruin their business.
The tune file can be fully read out from the internal data port, it's not something that just Kory figured out. What he did do was figure out a way to set fueling limits inside the ecm via an existing input so as to give different max power levels. And what he did was discussed on the efilive forum a year or 2 before he and ez link came out with it. How it's being done can all be found on the efilive forum, as well as the reason why efilive will not directly support it. I'm not trying to downplay what Kory has done, but your post made it out like he's the only one that can do it which is 100% false as these same basic ECM's had been cracked, read, and modified oversees I believe before he even started doing tuning. Efilive had tune files and made basic software to modify it for others oversees long before they released it for there own software.

As to the tune file, I have it, and offerred to send it to him for free. Most of the tune files for up to early 15's were posted on 4shared about 2 years ago. Several of us downloaded them, and are willing to pass them along for free.
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1995 GMC 2500 SUBURBAN powered by 01 DURAMAX/ALLISON, little of this, a little of that,
DIAMONDEYE 4" exhaust, CORSA muffler, AFE stage 1 dry filter, custom tuning by me, KENNEDY single pump and pump rub kit.

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  #11  
Old 01-28-2017, 08:49 PM
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Quote:
Originally Posted by THEFERMANATOR View Post
The tune file can be fully read out from the internal data port, it's not something that just Kory figured out. What he did do was figure out a way to set fueling limits inside the ecm via an existing input so as to give different max power levels. And what he did was discussed on the efilive forum a year or 2 before he and ez link came out with it. How it's being done can all be found on the efilive forum, as well as the reason why efilive will not directly support it. I'm not trying to downplay what Kory has done, but your post made it out like he's the only one that can do it which is 100% false as these same basic ECM's had been cracked, read, and modified oversees I believe before he even started doing tuning. Efilive had tune files and made basic software to modify it for others oversees long before they released it for there own software.

As to the tune file, I have it, and offerred to send it to him for free. Most of the tune files for up to early 15's were posted on 4shared about 2 years ago. Several of us downloaded them, and are willing to pass them along for free.
Ok...maybe I've been misunderstanding everything. I know Kory isn't the only one that can do it, he just seems to be the only one that did and then others followed behind. Wasn't aware that it was already cracked. Wasn't aware that some of you had the files either.
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05 2500HD CC/SB, LT, 2WD, Black
AFE Stage II w/Pro-Gaurd 7; E/J w/A;
4" MotoBlue straight piped no CAT; EGR blocked and Fingered; PCV Bypass; TranSynd; Low beam/fog light mod; High idle mod; UC6/LUX

US Navy EOD (Desert Storm)
Jer 33:3 Cry out to me and I will show you GREAT and MIGHTY things that you do not know.
Do everything on purpose for a purpose lest it be a thorn in someone's side and waste of everyone's time.
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  #12  
Old 01-30-2017, 05:04 PM
whozzat whozzat is offline
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Default re:stock LML tune

I too found the ones on 4shared, but I'm not sure which segments must match. I tried to PM the THEFERMANATOR with my email but I may need more posts before I can PM someone.
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  #13  
Old 01-30-2017, 06:35 PM
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On a LML all segments need to match.


Sent from my iPhone using Tapatalk
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Old 01-30-2017, 10:11 PM
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Quote:
Originally Posted by whozzat View Post
I too found the ones on 4shared, but I'm not sure which segments must match. I tried to PM the THEFERMANATOR with my email but I may need more posts before I can PM someone.
Didn't get it.

This is the best I can do for you, I uploaded to the site where I have all of my stock files uploaded. You'll have to join, but then you can download it.
http://www.thetruckstop.us/forum/res...49244-ctz.152/
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1995 GMC 2500 SUBURBAN powered by 01 DURAMAX/ALLISON, little of this, a little of that,
DIAMONDEYE 4" exhaust, CORSA muffler, AFE stage 1 dry filter, custom tuning by me, KENNEDY single pump and pump rub kit.


Last edited by THEFERMANATOR; 01-30-2017 at 10:24 PM.
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  #15  
Old 01-31-2017, 08:11 AM
whozzat whozzat is offline
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Default re:stock LML tune

Got it. Thanks. Much appreciate the help.
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