Stage 1 VW Crafter 2.5 TDI CR R5 ECU Calibration File – 503937 / SW 5174 (EDC16) 5174

Change log

  • v1.0 — 2025-06-07
    • Stage 1 torque-focused calibration on SW 503937
    • Injection and boost settings refined
    • EDC16 checksum region verified
    • Original + tuned binaries bundled​

Release notes

  • v1.0 — 2025-06-07
    • Tailored for VW Crafter 2.5 TDI R5 (manual gearbox)
    • Optimizes torque and response without touching emissions
    • Suitable for light commercial use and load-focused driving
    • Flash only after confirming 503937 / 074906032AS
    • Includes backup original file for recovery​
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