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I actually got it running today! Not well but I have a throttle response! I downloaded what I think was the orig program when I started the ls2 swap. There are still major problems but I'm not sure...

I would send you my computer and you can charge me a core charge. I'm in a bind here. I'm trying to sell this car and there is a big car show in town this weekend that I wanted to show the car and...

Syracuse NY. Would you happen to have an ECM that you would be willing to set up and sell to me?

7/15/2019 12:03:27 PM
VCM Suite Product: VCM Editor 4.2.12

Operating System: Windows 10 (build 17134)
Microsoft .NET: 4.0.30319.42000, 4.7.1 or later
CPU: Intel(R) Core(TM) i5-4210U CPU @...

I'm in Syracuse NY. Would you happen to have an ECM that you could program and sell it to me?

Where can I find someone with the Tech2/MDI hardware and the knowledge to rewrite the ECM? Will this also correct the pin assignments?

Disabling DOD didn't change anything.

I know that this thread is a bit old but I'm having a similar problem. I have an '06 TBSS swap that I had to replace the ECM with one from an '06 Impala. The service codes are the same but there are...

Also realized that the Impala ECM has the 8 pin throttle body plug vs the 6 on the TBSS. Two low ref wires.

I compared the Impala and TBSS wiring schematics and they basically look the same except that the Impala has DOD. I am disabling that to see if that helps.

Where can I find and load a "Trailblazer-compatible Operating System"?
Thanks again for all this info! I've learned more about tuning in the last few days than I have in two years!
I was also...

If the service codes are the same, shouldn't the ECM work with a little tweaking?

The service code is 12596679, same as the blazer but when I read it, it said that it came from the Impala. I tried that other one 1204792 but figured out that it wouldn't work.

Thanks Blindsquirrel,
I never "bastersized" the '06 harness but when I plugged all of the '05 gto stuff I still never got the throttle to work. The only thing I did was delete the VATS. I got...

I have an '06 TBSS in my '58 Sedan Del. It's been there for a couple of years but here's the problem. I had swapped out the stock MAF sensor to a "card style" and made the calibration changes but it...

Thanks for that heads up. I don't want to mess up the 05 ECM as I need it for another swap. I found an exact match on ebay but the VATS needs deleted which will cost me two HPT credits. I think...

No but I'll give it a try.
Thanks!

I have an 06TBSS in my 58 Sedan Delivery. I have a mild cam and long tube headers. I went to a ls3 "card" style MAF and it's never ran that great. I recently decided to go back to the stock MAF and...

Yes, the MAF is inplace but no CATS. Not sure about the cam. O2's aren't hooked up yet but that shouldn't be causing the start then stall problem. As I said earlier, it runs with another E40 hooked...

I think I did the complete rewrite but I'll try again. Thanks

This is the base read with the VATS disabled.

New LS2 swap. I deleted the Vats but the engine starts then stalls out right away. I installed another E40 and it stays running with that tune but I need to put it back were it came from.

Problem Solved

I just rewired my LS2 swap and my HP Tuner program and stand alone scanner are telling me that I have "No Power". I've triple checked the C1 power pins and I have power to the three power feeds...

I can't find the repository in the My Account tab. I think I have the latest VCM Suite.