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New to Tuning or Anything, Need to be Pointed
Posted: Thu Dec 10, 2015 12:49 pm
by culater365
Thanks for letting me register and everything after I've been looking at this forum for a while. I've got a 2003 Monte Carlo with the 3400 LA1... I'm able to get information from the car through a terminal in the form of hex, but the flash tool doesnt connect at all. How do I find out what PCM I have? What am I doing wrong? I really just got into this.
Re: New to Tuning or Anything, Need to be Pointed
Posted: Thu Dec 10, 2015 1:00 pm
by Holden202T
take photos of the computer and the memcal if you can and then someone might be able to ID it for you, but being American im not sure how much help us Aussies will be
Re: New to Tuning or Anything, Need to be Pointed
Posted: Thu Dec 10, 2015 1:13 pm
by vs ss
They are a flash pcm similar to the ls1 pcm.
I had some info on them so I will see if I can find it when I get home, but I won't be a big help.
Re: New to Tuning or Anything, Need to be Pointed
Posted: Thu Dec 10, 2015 1:19 pm
by culater365
Would I have to find out the memcal first or could I findout somehow through a terminal? or wouldnt it reply like that? I'm really bad with this, haha, but yeah any help whatsoever would be of use
Re: New to Tuning or Anything, Need to be Pointed
Posted: Thu Dec 10, 2015 1:26 pm
by vs ss
From memory it runs a pcm number 12209614 maybe google it and see if you can find any info there as well. The trouble is even if you get the calibration off the pcm you are still going to need some sort of program/definition file to convert from hex,then there is the next problem of flashing it back in.
Do you want to tune it or just read the data/codes? I know antus will a know a lot lot lot more than me so hopefully he will chime in.
Edit: oh I guess the pcm will be locked as well so that's another hurdle to get around.
Sorry if this is all wrong but i don't know much past our vx/vy pcms.
Re: New to Tuning or Anything, Need to be Pointed
Posted: Thu Dec 10, 2015 1:39 pm
by culater365
vs ss wrote:From memory it runs a pcm number 12209614 maybe google it and see if you can find any info there as well. I know antus will a lot more than me so hopefully he will chime in.
Yeah, according to rockauto, that's the OEM part number, I'll see what i might be able to dig up, but thanks! If someone else has any ideas feel free
Re: New to Tuning or Anything, Need to be Pointed
Posted: Thu Dec 10, 2015 10:43 pm
by antus
It certainly looks like an ls1 pcm, and likely is similar but with less injector drivers. Theres a bunch of info in this thread here
http://www.gearhead-efi.com/Fuel-Inject ... CM-pinouts
gearhead-efi is a better site than this for those american pcms which were not also used in Australia.
Re: New to Tuning or Anything, Need to be Pointed
Posted: Fri Dec 11, 2015 8:16 am
by culater365
So I got the PCM apart and I didn't really see any bigger chips like i would think something that was so important would be, but I snapped pics of the entire thing, inside, outside.. Where would the memcal be? I'll check on that forum and see if it gets me anywhere.