Open the extracted folder and navigate until you see a folder named psdzdata . Go to your main C drive directory: C:\Data\ .
Contains all firmware files. Required if you plan on flashing/updating ECU firmware .
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: Extract your PSdZData files into the C:\Data\psdzdata folder. Ensure you do not merge folders; delete the old psdzdata folder first if it exists.
Windows 10 (64-bit) is recommended for maximum compatibility. While Windows 11 can work, Windows 10 is more stable. Open the extracted folder and navigate until you
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Update to a newer PSdZData version that includes the required chassis data. Many users have resolved this issue by upgrading to the latest PSdZData Full release. Required if you plan on flashing/updating ECU firmware
Set the installation paths. It is highly recommended to keep the default directories: C:\EC-Apps\ESG\E-Sys Data Files: C:\Data
For basic coding (FDL coding, VO coding, activating hidden features), PSdZData Lite is enough. For ECU programming (flashing), firmware updates, or retrofits that require new module software, you need PSdZData Full .
This is the master data library containing the vehicle firmware logic. PSdZData Lite: Sufficient for standard FDL and VO coding.
PSdZData Full: Required if you plan on flashing or updating ECU firmware.