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Honda · Cars & LCV

Honda City GN tune files, remaps & software solutions

4 engines · 2020–2020 · 3 ECU/TCU types · files for Autotuner, KESS3, Flex, Dimsport DFOX / New Genius, PCMflash, MMCFlash, BitBox and more

Custom files for the Honda City GN built in WinOLS from your own read — not a generic file pulled from a database. Send the read from your tool and Josh builds the calibration for your exact software version, usually back within 10–20 minutes during file-service hours (9am–9pm Mon–Sat AEST), and supports it afterwards. Typical Stage 1 figures are shown per engine below and confirmed per calibration.

Honda City GN 1.0T VTEC (P10) petrol

Years2020
Stock power129 hp
Stock torque200 Nm
ECU / TCU types1
Stage 1 — typical+15% power / +20% torque → ~150 hp / 240 Nm

Controllers and read methods

  • Bosch MED17.9.3 TC1793 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Honda City GN 1.5 i-DTEC diesel

Years2020
Stock power99 hp
Stock torque200 Nm
ECU / TCU types1
Stage 1 — typical+20% power / +28% torque → ~120 hp / 255 Nm

Controllers and read methods

  • Bosch EDC17C72 TC1782 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Towing and economy files
  • DPF, EGR and AdBlue software solutions, DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Honda City GN 1.5 i-VTEC (L15Z) petrol

Years2020
Stock power120 hp
Stock torque145 Nm
ECU / TCU types1
Stage 1 — typical+5% power / +5% torque → ~125 hp / 150 Nm

Controllers and read methods

  • Keihin TC1782 TC1782 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Honda City GN 1.5I-VTEC hybrid (LEB) hybrid_petrol

Years2020
Stock power151 hp
Stock torque267 Nm
ECU / TCU types1
Stage 1 — typical+15% power / +20% torque → ~175 hp / 320 Nm

Controllers and read methods

  • Keihin TC1782 TC1782 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Honda City GN FAQ

Do you have a tune file for the Honda City GN?

Yes — for every engine and ECU listed above. Files are built from your own read in WinOLS for your exact software version, not supplied from a generic database.

How do I get a Honda City GN file?

WhatsApp the read to 0466 659 997 with the engine, ECU, your tool and what you want, or upload it at tacfiles.com for an automated return where a matching project exists.

What gains will a Honda City GN Stage 1 give?

Typical Stage 1 figures are shown on each engine card above — measured on our dyno where marked, otherwise the typical gain for that engine class. Final numbers depend on the calibration and hardware, so we confirm per file. Reliability comes first — files stay inside what the engine, injectors and cooling handle comfortably.

Send your Honda City GN read

WhatsApp 0466 659 997 with the engine, ECU, your tool and what you want. Hand-built files typically return in 10–20 minutes during file-service hours (9am–9pm Mon–Sat AEST).

Vehicle, ECU and read-method data compiled from the published compatibility lists of the flashing tools we work with (files are returned for Autotuner, KESS3, Flex, DFOX, PCMflash, bFlash, BitBox and more). Stock figures are manufacturer-published values as listed by those tools and may vary by market. All tuning files are intended for off-road, motorsport, agricultural or commercial use only; it is the responsibility of the vehicle owner to ensure compliance with local regulations.