PSdZData Lite v4.55.30 — what’s new

• Latest 2025 PSdZ data refresh with extended coverage for recent F/G/I-series platforms.
• Updated CAFD/FAFP metadata and mappings for smoother FDL coding workflows.
• Optimized package structure for faster indexing and lower disk footprint.
• General stability tweaks and minor clean-ups.

About the Lite package

• Intended for FDL coding only. Flash files (SWFL/BTLD/IBAD) are not included.
• Use the Full PSdZData when control-unit programming is required.

How to update (recommended)

1. Back up your current C:\Data\psdzdata folder.
2. Delete old cache/temp folders in E-Sys if present.
3. Copy this v4.55.30 Lite package to C:\Data\psdzdata.
4. Launch E-Sys and verify the PSdZData version under Help ▸ About.

Compatibility

• Tools: E-Sys 3.3x–3.40+ (or newer Launcher as applicable).
• Interfaces: ENET (most F/G); ICOM recommended where specified by OEM.
• OS: Windows 7 / 8.1 / 10 / 11 (64-bit). Tested on Windows 10 LTSC (2019).
• Hardware: 4-core CPU, 8 GB RAM+, 10–20 GB free disk space for Lite set.

Good practice

• Use a stable power supply during any vehicle session.
• Do not attempt programming with the Lite set; use Full data for flashing.
• Verify checksums after download before replacing your existing data.

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