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Reread file with 3.5 beta and it read fine.

Update: Contacted support they updated 3.5 beta and now the file is supported. So all is well

I have tried three times to read my ECM but each time after 100% flash. The checksum fails and says I can not open or edit this file. Please help.

15 Malibu 2.5l eco E39A ECM

Paul

Ok will do Thanks

Thanks Bill for the prompt reply. Is there anything else I need to enable in order for both (ECM and TCM) to be read by VCM editor, or was it maybe just a bad read?

I can't seem to get the software to show the engine diag trouble codes table as it is blank when I load my tune. I also tried to load a 2015 Malibu LT file from the repository and it clearly loads...