VW Golf6 CAYC 1.6 TDI PCR2.1 ECU File – Software SM2F0L9500000/SW 8831 03L906023A Stage 1 

Change log

  • v1.0 — 2025-06-08
    • Stage 1 calibration for CAYC engine
    • Software: SM2F0L9500000 / SW: 8831
    • Boost and torque maps optimised
    • Siemens PCR2.1 platform (03L906023A)​

Release notes

  • v1.0 — 2025-06-08
    • Developed for improved performance and smoother response
    • Matches Golf 6 1.6 TDI with PCR2.1 ECU
    • Stock-safe calibration, no hardware mods needed
    • Flashable via all PCR-compatible tools​