Stage 1 Audi A4 2.0 TDI CR ECU Firmware – 517566 / SW 9097 (EDC17_CP20) 03L906019AL

Change log

  • v1.0 — 2025-05-30
    • Stage 1 calibration for EDC17_CP20 / 517566
    • Torque model and rail pressure control adjusted
    • Boost control and throttle response maps refined
    • File delivered as full binary with Stage 1 and Original​

Release notes

  • v1.0 — 2025-05-30
    • Tailored for Audi A4 2.0 TDI CAGC (2010) with 6M transmission
    • Offers noticeable improvements in response and mid-range power
    • Designed for dyno tuning, performance testing and non-road use​