pcmhacking.net

I haven’t played with Kess tool for a while but it used to only read the calibration data area and pad out the rest of the file with 00 or FF.
This meant wasn’t possible to update to a different operating software so be careful.
If the read is only taking a few minutes and not 20 minutes it will only be the calibration data being read.

Thanks guys
yes all FF
and a 2 minute read

Got this software to communicate
https://txsuite.org/download/trionic-can-flasher/

Not the same as the read with vzbinreader

mattyjf01 wrote:Thanks guys
yes all FF
and a 2 minute read

You should find a section in the file around 1C2000 that has the calibration data in it, if you modify it you will need the checksum recalculated. Kess could do some versions on VZ V6 but not all last time I looked. The different programs have different checksum ranges and storage locations.

I get 2 different bins with tazzi's vzbinreader and trioniccanflasher
Address
0: - 131f:
1fec: - 1fff:
10000: - 1079f:
10d24: - 10d63:
10e04: - 1e827:
1ffc0: - 1ffff:

Any idea what is stored at these locations
Im worried about writing back to the ecu

mattyjf01 wrote:I get 2 different bins with tazzi's vzbinreader and trioniccanflasher
Address
0: - 131f:
1fec: - 1fff:
10000: - 1079f:
10d24: - 10d63:
10e04: - 1e827:
1ffc0: - 1ffff:

Any idea what is stored at these locations
Im worried about writing back to the ecu

From out Saabs
Main OS: 0x00040000
Engine calibration: 0x001C2000
System: 0x001DCF28
Speedo: 0x001DEF18
Secondary OS:0x00400000 (512Kbyte), this is placed right after 0x001FFFFF in the readouts if I remember correct, otherwise the bin would have been filled with FFFF and taken much more space.
Everything before 0x00040000 is ignored as it's part of the boot partition and flashing via can is not doable (or even recommended as it's used for recovery) at the moment.

2 More read with trionic can flasher
6G1ZK34B25L456999 crewman 175kw
6G1ZK43706L867807 190kw

So if Iv understood right, dont need to read the secondary OS.. and realistically can ignore the OS if only doing cal reads.