The 12212156 is a pretty common XDF
I am not sure if it will help you but it is available here...

Just read your post need to check this waaaaaaay more often was on facebook and they just told me about UniversalPatcher now I just need to figure out how to make the XDF like you said

Well I flashed to 12212156 and have everything "working" now.
I am just trying to learn to tune for power and efficiency.
The tune was throwing lean 1-2 bank codes. The injectors from 1999 LM7...

solved
https://pcmhacking.net/forums/viewtopic.php?f=42&t=7954&p=118001#p118001

I am a noob first swap learning on the go so if I say something ignorant it is because I have never done this before.
I am running a 12212156.bin (from BoredTruckOwner) I customized with a...

B52Bombardier1
Thanks for responding
Can you dm me a copy of your list?
My LM7 is in a 1999 silverado LS ext cab I got it running, driving, tagged, and insured right now, figured I would bang...

Don't take this wrong, I am trying to help... Bigtoy97
My understanding is that the .bin file is the raw hexadecimal data containing the operating system and all the settings from an ECM in that one...

dzidaV8
Man thank you so much for the work you did on those files I was thinking I had to learn Mandarin reading the hex from my OS 9373372 bin
By the way
隒̀碬̀粬̀肬̀ translated The other products...

got files from
dzidaV8 post
http://www.gearhead-efi.com/Fuel-Injection/showthread.php?5894-2002-OS-12212156-xdf&p=61702&viewfull=1#post61702
also have
BoredTruckOwner files xdf and bin ...

yes

Rick looks like you did exactly what I am attempting/wanting to do on your 1970 Chevy El Camino, LM7 Engine, 4L60E only difference is its a 1979 T/A
I am planning on putting the complete...

https://www.lkqpickyourpart.com/locations/LKQ_Pick_Your_Part_-_Wichita-246/prices/
ENGINE CONTROL MODULE price $22.99 Core $7.00 $0.00 1 year warranty $6.90

Yes using the entire drive train out of the 1999.
I was able to do calc while in the truck I had to pull a couple fuses though I understand the advantages of a bench harness I have a regulated DC...

Welcome to the club LOL glad I am not the only member

I have the PCM (I have the whole running driving truck)
I guess what I would like to know is if I could flash the OS from a 2002 that has an XDF on to my hardware.
It seems like it has been done...

I need to research what os's mine supports
GM made the following changes from the original 9363996 OS
9363996 N/A Operating system
9365637 N/A Change required to reduce rich fueling during...

Does not look like there is an XDF for mine.
I tried to look at my bin in flexhex but it appears the ANSI pane is in Chinese language?

Name is Bill (Bill Likescars on Fbook) my son bought a junk 1979 T/A with no motor I have a 1999 LM7 still in the truck I am planning a swap need XDF files for the old trucks brain. LOL