Ok I deleted some of the cat stuff. I tried it stock and no vats but it wouldn't start. Just tried the file you posted and it still won't start I feel like it is something stupid I'll look into the...

I thought the difference between the two was internals. The strange thing is no matter what I do I get the single fire like the cats are still on

this is the file that i had. i am really confused now!

That should work I have a 2004 lq9 with a 4l80 2wd dbw

Thank you! That bin was supposed to be stock!

attached is what i get when i try to change it

That worked! I got a new power supply and I got both ECM's to flash. Now I am having trouble turning off the VATS. Attached is my .bin I am getting the typical fires for a second then dies. I pour...

Will do thanks for the help!

Bench harness but I'm only getting 12.1 even when flashing17511

2nd ecm


[02:58:41:415] C:\Users\jaredtimmerman\Downloads\2004 2500 LQ4 Auto 2wd stock OS12587603 no vats.bin
[02:58:41:431] Validating 1024k file.
[02:58:41:431] ...

[02:51:47:397] PCM Hammer 019
[02:51:47:413] Initializing OBDX Pro on COM4
[02:51:47:781] Loaded credits.html from network.
[02:51:47:828] Loaded start.txt from network.
[02:51:47:828] ...

This is what I was able to get it to do this evening. I have 2 ecms and they do the same thing! I feel like I have to be doing something wrong!


[05:24:33:798] PCM Hammer 019
[05:24:34:265] ...

I finally got a chance to check both ecms and neither will read with a code reader. I have a third that is just fine. It seems like when I flash the 603 is is when I have the problem. Could the os I...

I will double check the bench harness but yes it had power. Also I will see if I can get codes. This is the second PCM that will not load the OS. I thought I had it once but the car wouldnt start....

i have been trying to find this problem elsewhere but havent found any threads on it. i have an pcm with a 12579405 os and another that has a 12593058 os and I cannot get either to take the 12587603...