V6 ability for pcm hammer.

They go by many names, P01, P59, VPW, '0411 etc . Circa 1999 to 2006. All VPW OBD2 PCMs.
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Re: V6 ability for pcm hammer.

Postby Vampyre » Fri Feb 28, 2020 3:55 am

kur4o wrote:

Vampyre,
If you have access to more resources related with the OS list, can you generate a new list with the OS numbers linked with the checksum location for the given OS.
It needs to be a simple text file in the following format.
OS:checksum address
or
9352820:7231a
9352823:7231a
7231a is the address where the checksum is stored for OS p/n ...


i will take a look pretty sure most of the os's use the same check sum addy but ill look

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Re: V6 ability for pcm hammer.

Postby Vampyre » Fri Feb 28, 2020 1:59 pm

im gonna just put it out there that 90% of those osids will not ever pop up, most v6 cars didnt go back to dealership for updates. I found that there are a few checksum address variants.

let me know what os and ill give you the check sum address

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Re: V6 ability for pcm hammer.

Postby antus » Fri Feb 28, 2020 2:41 pm

Do you know for sure there is not a segment address index in a fixed location you can use to find the segment start? Sum will be at a fixed offset and that'll be a lot better than manually looking them all up.
Have you read the FAQ? For lots of information and links to significant threads see here: viewtopic.php?f=7&t=1396

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Re: V6 ability for pcm hammer.

Postby Vampyre » Fri Feb 28, 2020 3:44 pm

yeah no segments, single check sum for Os. parameter might have another check sum ill look to see.

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Re: V6 ability for pcm hammer.

Postby kur4o » Mon Mar 02, 2020 8:35 am

antus wrote:Do you know for sure there is not a segment address index in a fixed location you can use to find the segment start? Sum will be at a fixed offset and that'll be a lot better than manually looking them all up.



I went through some disassemblies and the addresses are hardbuilt, no reference at all. Making a list is the only option. The OSs that are released orbased on the same compiler can have the same address, but that is hard to spot by the number.

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Re: V6 ability for pcm hammer.

Postby Vampyre » Fri Apr 03, 2020 11:01 am

finally finished the checksum list by os, there might be a few doubles and I couldnt find some obscure osid files to get the checksums
If your osid is missing send me a copy of your file and ill get it for you.
Attachments
checksumsinorder.txt
(16.29 KiB) Downloaded 53 times

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Re: V6 ability for pcm hammer.

Postby kur4o » Sat Apr 04, 2020 8:33 am

Vampyre wrote:finally finished the checksum list by os, there might be a few doubles and I couldnt find some obscure osid files to get the checksums
If your osid is missing send me a copy of your file and ill get it for you.



Nice work I tested it on a bin library and lots of undefined OS popped up. I will try to get you a list with the missing OS.
I think I spotted some errors but given the pure number of these files it is not something to worry about.

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Re: V6 ability for pcm hammer.

Postby Vampyre » Sun Apr 05, 2020 3:06 am

Yeah I had a hard time finding files for vehicles ppl dont tune much like mini vans and alot of the missing ones were updates gm pushed out that no one ever got done

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Re: V6 ability for pcm hammer.

Postby kur4o » Sun Apr 05, 2020 10:27 pm

I updated the list with some more OSs. I am sure you will like it.
Attachments
GM-V6.txt
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Re: V6 ability for pcm hammer.

Postby Vampyre » Tue Apr 07, 2020 6:41 am

So many os

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