Stage 1 Honda Civic 2.2 CDTI ECU Firmware | Software 514985 / SW 37805-RSR-E270 | 37820RSRE270M6

Change log

  • v1.0 — 2025-06-08
    • Initial Stage 1 calibration for 2.2 CDTI EDC16C31
    • DPF & EGR disabled; torque and boost limits raised
    • Vmax increased; CVN patch implemented
    • Verified flashing via CMD-Flash and K-Tag​

Release notes

  • v1.0 — 2025-06-08
    • Released for Civic 2.2 CDTI owners seeking a safe Stage 1 with DPF delete
    • Suitable for stock engines and clutches
    • Delivers +40 Nm in the 1 800–3 400 rpm range
    • Confirm ECU and software numbers before flashing​
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