Stage 1 Skoda Fabia III 1.2 TSI CJZC Stage 1 ECU File – Software 003059 MED17.5.25 9085

Change log

  • v1.0 — 2025-05-29
    • Stage 1 tuning for Skoda 1.2 TSI CJZC engine
    • SW 003059 / MED17.5.25
    • Boost/fueling adjustments for smoother performance
    • Partial binary project with no checksum fix
    • CMD Flash compatibility​

Release notes

  • v1.0 — 2025-05-29
    • For daily drivers seeking a boost in performance
    • Safe and tested solution for 1.2 TSI engine
    • Includes original for rollback and diagnostics​

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