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The secret of the last byte in the CID number

Confused about the last byte in an SD card’s CID number? This guide explains why different tools show mismatched values, how CRC7 and the end bit affect interpretation, and what the last two digits really mean. Learn the truth behind the CID’s final byte and avoid common misconceptions when working with custom or changeable CID SD cards.

NISSAN CAN filter installation

European Nissan navigation and radio units are equipped with a security feature that prevents installation in another vehicle. A CAN filter enables seamless retrofitting of these units into other vehicles, and secure bench testing by overriding the built-in security functions..