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:
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-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.