Re: Using capture vpw from pcm hammer tools. Cable setup hel
Posted: Thu Apr 22, 2021 1:35 am
Ok great noted. I will try the knew at setting next time. Yes I should apply a filter that would be helpful I only want to see traffic to and from the bcm address 40, and cluster address 60, and likely view one at a time? How do I setup a filter?
And the help here is amazing thank you all for helping me get some decant logs!!
I was able to see how the tire pressure is changed in the bcm...
50psi is 1d in hex, that’s for the front tire. So now I should be able to lower it past 29psi factory limit as some rock crawlers like to air down to 15psi? I could change the front and rear to 15psi.
Anyway just a few goals here to show why I’m doing this!
Capture the needed info to setup a new bcm without having a Tech 2.
I have a few files stored to the bcm and currently can write a flash to a virgin bcm.
I can setup the sdm serial number, program key fobs without a tech 2, just using a avt 852
-Millage and reading the original bcm file out to, save sbc flash into replacement bcm.
-Millage I can’t find out how it’s so called programmed using the tech 2? I don’t see anywhere That says program Millage only option I have is program sdm, key fobs, tire pressure.
Even if I could some how read the block that the Millage is in? To start With?
The Millage is stored on a small Ic chip 90540 I can desolder the chip and using my homemade bread board using ponyprog I can view the vin, Millage and tire pressure.
Editing this way is cumbersome to say the least and not easy for other DIY poeple.
How can I access the chip via vpw commands? Even if I were to write a custom kernel to do so I need info on the chips addresses. I can’t find a processor manual (gm part number). I want to dissemble the sps kernel to try and find some adresses for the main flash and see if there is any watchdog. But I’ve been unable to do so? The kernel doesn’t seem to want to convert from Motorola S to bin. And running a 8086 disassembly doesn’t do anything to the kernel, likely cause it’s not in bin format.
And the help here is amazing thank you all for helping me get some decant logs!!
I was able to see how the tire pressure is changed in the bcm...
50psi is 1d in hex, that’s for the front tire. So now I should be able to lower it past 29psi factory limit as some rock crawlers like to air down to 15psi? I could change the front and rear to 15psi.
Anyway just a few goals here to show why I’m doing this!
Capture the needed info to setup a new bcm without having a Tech 2.
I have a few files stored to the bcm and currently can write a flash to a virgin bcm.
I can setup the sdm serial number, program key fobs without a tech 2, just using a avt 852
-Millage and reading the original bcm file out to, save sbc flash into replacement bcm.
-Millage I can’t find out how it’s so called programmed using the tech 2? I don’t see anywhere That says program Millage only option I have is program sdm, key fobs, tire pressure.
Even if I could some how read the block that the Millage is in? To start With?
The Millage is stored on a small Ic chip 90540 I can desolder the chip and using my homemade bread board using ponyprog I can view the vin, Millage and tire pressure.
Editing this way is cumbersome to say the least and not easy for other DIY poeple.
How can I access the chip via vpw commands? Even if I were to write a custom kernel to do so I need info on the chips addresses. I can’t find a processor manual (gm part number). I want to dissemble the sps kernel to try and find some adresses for the main flash and see if there is any watchdog. But I’ve been unable to do so? The kernel doesn’t seem to want to convert from Motorola S to bin. And running a 8086 disassembly doesn’t do anything to the kernel, likely cause it’s not in bin format.