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PCR2.1 CVN fix

Restores the CVN values of a PCR2.1 firmware image: upload the flash and download the corrected file, so the calibration values match during diagnostics.

Related pages: Free PCR2.1 dump viewer · PCR2.1 ECU clone · PCR2.1 immobiliser data viewer · PCR2.1 EEPROM — immo data and CPU ID decoding
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