Honda Civic 2.2 CDTI ECU Firmware | Software 514985 / SW 37805-RSR-E270 |

Honda Civic 2.2 CDTI ECU Firmware | Software 514985 / SW 37805-RSR-E270 |
Honda Civic 2.2 CDTI ECU Firmware | Software 514985 / SW 37805-RSR-E270 |
Developed for Honda’s 2.2-litre i-CTDi, the calibration delivers Stage 1 gains aimed at stronger mid-range torque and smoother response under load. DPF regeneration logic and EGR flow are fully disabled, lowering exhaust back-pressure and keeping the intake charge clean. Torque, boost and smoke limiters are raised with balanced air-fuel targets to safeguard the OEM clutch during towing or full-weight driving. Cold-start, idle and part-throttle maps are refined to retain factory-level fuel economy on cruise while giving earlier boost onset from 1 700 rpm.

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New Tuning File Available: Honda Civic 2.2 CDTI ECU Firmware | Software 514985 / SW 37805-RSR-E270 | 37820RSRE270M6 - Stage 1 remap for Honda Civic 2.2 CDTI — ECU 37820RSRE270M6, prod 16800-RSS-E00037805-RSR-E270 — sharper throttle and stronger mid-range.

💬 Discussion & Reviews: Honda 2.2 CDTI​#


Welcome to the official discussion thread for the Honda 2.2 CDTI tuning package. This calibration is specifically developed for the EDC16C31 ECU and optimized to work seamlessly with the 6-speed manual.

Target Performance: 140 PS / 103 kW.

👇 Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!

All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer. Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website. These files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without first confirming mechanical condition. The seller accepts no responsibility for misuse or non-compliant road use.

Extended Product Information​#

  • DPF regeneration routines and related DTCs disabled
  • EGR valve flow mapped to zero; diagnostics muted
  • Torque, boost & smoke limiters lifted for broader mid-range pull
  • Throttle pedal maps sharpened for quicker response
  • Vmax limiter raised to 235 km/h
  • CVN раtсh applied; flashable via OBD or bench with any EDC16-capable tool
  • Cold-start fueling and idle control refined for smoother warm-up
  • Developed on stock drivetrain to preserve clutch durability

➜ Download Tuning File / View Full Specs
 
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Post #3

Compatible with what exactly?

Please provide:
  • Your vehicle — model, engine code, year
  • Your ECU HW/SW numbers (from the ECU label or from your read tool)
  • The tool you're using to read/write

This file is for a 2008 Honda Civic 2.2 i-CTDi, ECU Bosch EDC16C31, SW 37805-RSR-E270, 1 MB full read via CMD Flash. If your SW version doesn't match exactly, the calibration can't be flashed as-is.
 
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