How to correct checksum after editing GM's calibration files
The tutorial is under construction.
Check back later.
In this tutorial I will explain in steps, for how to correct the checksum after editing a GM module calibration file.
This process illustrates correcting the checksum for the first four bytes.
It's beneficial to read up on these other tutorial to familiarise yourself with GM's calibration files concept if you're new.
Tools
Later I’ll demonstrate the process for correcting the first 4 byte checksum.
Can you guide me to correct the checksum in this case? Thank you so much.
Nice tutorial Troy I hope to be able to apply some of this to GM vehicles. I will give it a try with the next GM I have to program. If the situation permits and report back my findings. Thanks
This new tutorial may help you.
How to trick GM's SPS into giving files when the module is already updated to the latest calibration version.
This is a partial tutorial.
It's beneficial to read up on this other tutorial to familiarise yourself with GM's calibration files concept if you're new.
I will demonstrate how to trick GM's online SPS into giving you the needed calibration files when the module is already updated to the latest calibration version, or has a different part number version for t
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