KTuner for 09-13 Fit.
KTuner is for off-road research and development testing only. Every vehicle should be flashed back to factory before being driven on a public road.
What are my options?
• KTunerFlash V1.2 End User System – Hardware/software. Datalog And Make Your Own Changes! – $449
• KTunerFlash V2 End User System – All-In-One Display/Flash Hardware+Software. Datalog and make your own changes – $649
How do I get KTuner?
• Contact a dealer for dealer testing or to order a KTuner kit.
This application is available for custom tuning only.
Part numbers for usable ECUs include:
2009-2010
37820-RP3-A01 through A03, 37820-RP3-305
37820-RP3-A11 through A13, 37820-RP3-306
37820-RP3-A51 through A53, 37820-RP3-307
37820-RP3-A71 through A73, 37820-RP3-405
2010 – These ECUs have recently been added and do not support all features
37820-RP3-A04
37820-RP3-A54
37820-RP3-A63
2011
37820-RP3-A15
37820-RP3-A75
2012-2013
37820-RP3-A16 through A17
37820-RP3-A76 through A77
KTuner feature matrix for 09-13 Fit (BETA means the feature is currently in testing phases):
| Feature | Final | BETA | End User | Dealer Tuning | Reflash | |
| Real-Time Logging | X | X | X | |||
| Injector Sizing | X | X | X | X | ||
| Ignition/Fuel Tuning | X | X | X | X | ||
| Knock Tuning | X | X | X | X | ||
| Throttle Control Maps | X | X | X | X | ||
| Rev Limiter Settings | X | X | X | X | ||
| 2-Step Settings | X | X | X | X | ||
| Speed Density Fueling | X | X | X | |||
| Expanded Tables For Boost | X | X | X | |||
| VTEC Window Control | X | X | X | X | ||
| Closed Loop Control | X | X | X | X | ||
| Disable Sensors | X | X | X | X | ||
| Fuel Cut Parameters | X | X | X | X | ||
| Fuel Correction Parameters | X | X | X | X | ||
| Ignition Correction Parameters | X | X | X | X | ||
| Idle Control Parameters | X | X | X | X |
Speed Limiter removed. Please adhere to your tire speed limitations and note this feature is for off-road use only.