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- Sun May 09, 2021 5:56 am
- Forum: US ALDL ECUs
- Topic: GM BCM programming how to calcualte checksums?
- Replies: 13
- Views: 36238
Re: GM BCM programming how to calcualte checksums?
I can segment swap certain GM BCMs. I have a educated guess as to certain booleens are for, trouble is I can't figure out how to calculate the checksum (CVN) I've tried flashing without updated checksums and it bricks at 98%, but then is recoverable with GM SPS. The bins I have to don't show the CV...