Honda flash software

Honda flash software DEFAULT

American Honda Motor Co., Inc. ("Honda") offers the i-HDS (Honda Diagnostic System) software suite for the diagnosis and repair of electronic systems on Honda and Acura automobiles, and for the reprogramming of electronic control units (including, but not limited to, ECMs and PCMs). This software provides access to all Honda and Acura vehicle systems (access to the immobilizer security system requires a Security Professional level software subscription and Vehicle Security Professional [VSP] registration with NASTF). To use the i-HDS software, you need to purchase one of our convenient subscription options. In addition, you will need a pass-thru Vehicle Communication Device (VCI) that is compliant with SAE J2534-1 and J2534-2 in order to communicate with the vehicle

PC Requirements for the i-HDS Software

    Operating SystemMicrosoft Windows 10 Professional 32bit or 64bitMicrosoft Windows 10 Professional 64bit
    Processor Speed1 (Base Clock Speed)2.1 GHz Intel or AMD processor2.6 GHz Intel or AMD processor
    Memory (RAM)4 GB (32bit) or 8GB(64bit)16 GB of RAM
    Storage Drive2Solid State Drive (SSD) with 40 GB Free Space3NVME Solid State Drive (SSD) with 60 GB Free Space3
    Video Resolution1366 x 768 or higher1920x1080
    Network1 Gigabit Ethernet or 802.11ac WiFi1 Gigabit Ethernet or 802.11ac WiFi
    USB PortsUSB 2.0 with Type A connectorUSB 3.1 with Type A connector
    BluetoothN/ABluetooth 4.2 or higher
  • 1 Faster single thread processor speed has a high influence on snapshot gathering, live data viewing, and smooth operation of i-HDS.
  • 2 A Solid State Drive allows for faster booting time and smooth operation of i-HDS.
  • 3 Sufficient space is required for operation, snapshot storage, log storage, and future enhancements of the i-HDS suite.

Vehicle Communication Interfaces (VCI)

The i-HDS software supports the use of a generic pass-thru VCI that is compliant with SAE J2534-1 and J2534-2. However, American Honda Motor Co. recommends the Denso DST-i for use on Honda and Acura vehicles, Honda Canada Inc. recommends the Denso DST-nano for use on Honda and Acura vehicles, as Honda has worked closely with this manufacturers to ensure their hardware and our software interact safely and within the J2534-1 and J2534-2 specifications, for both diagnostics and reprogramming. If you choose to use a generic VCI, please carefully consider the customer and technical support options you will receive from your chosen device supplier. Honda does not provide technical or customer support for generic VCI devices.

The VCI Application Table below lists devices that either are approved and supported by Honda or are known to have completed and passed an independent, exhaustive validation program with our i-HDS software suite.

ManufacturerVCI NameVersion InformationNotes
FirmwareJ2534 API
DENSODST-i2.02.0002*04.04This is the current generation VCI used by American Honda Motor Co. Honda and Acura dealers. Honda routinely validates the functionality and provides customer support for this device.
DENSODST-nano2.02.0002*04.04This is the current generation VCI used by Honda Canada Inc. Honda and Acura dealers. Honda routinely validates the functionality and provides customer support for this device.
BoschMVCI3.01.60*04.04This is the previous generation VCI used by American Honda Motor Co. and Honda Canada Inc. Honda and Acura dealers.
Drew TechnologiesMongoosePro Honda1.9.5**04.04This company has completed an independent i-HDS validation and claims it to function with the i-HDS software. Honda does not provide ongoing validation, nor customer support for this device.
Dearborn Groupd-briDGe Pro3.303**04.04This company has completed an independent i-HDS validation and claims it to function with the i-HDS software. Honda does not provide ongoing validation, nor customer support for this device

* These versions may have been superseded. Honda provides the latest supported versions to current i-HDS subscribers.

** Version used in validation program. See Terms and Conditions and Important Notice Regarding Reprogramming below for more details.

Reprogramming with the J2534 Rewrite Application in i-HDS

Included in the i-HDS software suite is a new reprogramming application called J2534 Rewrite. This application is made available to all subscribers of the i-HDS software suite and replaces the previous generation software, J2534 Honda Pass-thru Reprogramming Software.

This new application is compatible with generic VCIs that comply with SAE J2534. It must be used to reprogram any Honda/Acura vehicle equipped with ECUs that support reprogramming. Refer to the table below for legacy applicability for the programming of ECMs and PCMs. Though system dependent, late-model vehicles may be equipped with other ECUs that support reprogramming as well, e.g. ABS or VSA. J2534 Rewrite must be used to reprogram these control modules, as instructed in an applicable service bulletin.

As shown in this table, not all legacy Honda/Acura models are equipped with a reprogrammable ECM/PCM. Furthermore, all 2007 and later models not listed in the table are fully supported with this application.

X= Reprogrammable

Terms and Conditions

The following statements describe American Honda Motor Co., Inc.'s ("Honda") policies and terms of use for Honda's i-HDS suite of diagnostic and reprogramming software. By using this software you acknowledge and agree to all terms and conditions stated herein. If you do not agree to these terms, do not use any component of the suite. You are responsible for proper diagnosis and reprogramming of Honda/Acura control modules. All problems and complaints that may occur from the use of any allegedly compliant J2534 devices are the sole responsibility of the device manufacturer. If you experience any problems, contact the device manufacturer. Honda will not provide technical support.

The VCI Application Table above is voluntarily provided by Honda as a courtesy to its aftermarket customers. While the i-HDS software suite has been validated to be J2534 compliant by several third-party device manufacturers, it is the responsibility of the device manufacturer to ensure and maintain the interoperability of its device and our i-HDS software. Device manufacturers listed above that have completed an independent validation of i-HDS attest that those specific devices are both J2534 compliant and work with the i-HDS suite. If Honda determines that a device listed above is no longer compliant with the J2534 standard or is not compatible with the i-HDS suite, Honda may elect to remove the device from the list without notice. Furthermore, the applicability scope of the devices above is limited to Honda/Acura vehicles intended for sale in North America. Device compatibility with Honda/Acura vehicles for sale outside of the North American market is not guaranteed and may not meet the standards of that market.

All reprogrammable Honda/Acura ECUs/ECMs/PCMs comply with the SAE J2534 standard. You are responsible for using a compliant J2534 reprogramming device. Contact the reprogramming device manufacturer to confirm Honda/Acura compatibility before use.

Honda will NOT be responsible for damaged control units/modules.


These Terms & Conditions are subject to change without notice.

Important Notice Regarding Reprogramming

Do NOT program a control unit/module unless you are directed by a service procedure or an applicable Honda/Acura Service Bulletin. Control unit/module updating should only be undertaken by a skilled professional using proper equipment and procedures, or damage can occur. Updating control units/modules to the latest software not associated with a specific symptom may not resolve other specific customer concerns. Unauthorized or self-directed programming may cause unintended and irreversible effects and lead to vehicle harm and/or customer dissatisfaction.

Honda urges end users to always use the LATEST production release of the J2534 Rewrite software in the i-HDS suite. Using the latest version of the software is the best way to ensure successful reprogramming of applicable control units/modules.

It is possible to damage the vehicle's electronic control units/modules during reprogramming. Ensure the following conditions are met BEFORE programming a control unit/module:

  • The vehicle battery must be fully charged before programming the control unit/module. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage, or loss of voltage will interrupt programming.
  • Turn OFF or disable any system that may put a load on the vehicle battery.
  • Make certain all tool connections are secure. Do NOT disturb the tool harnesses while programming. If an interruption occurs during the reprogramming procedure, reprogramming failure or control unit/module damage may occur.


Some units/modules may require additional programming/setup events performed before or after programming. Please refer to the appropriate Service Bulletins for details. (e.g. IMA Battery Module)

The information in Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do the job properly and safely. The procedures should not be performed by "do-it-yourselfers". Honda reserves the right to supersede this information without notice. The most recent information is available through American Honda Motor Co., Inc.'s online technical resources.



  • Laptop or desktop
  • 32 or 64 bit Windows 7, 8, 10
  • USB 2.0 port
  • Internet Access

* The software will also work on Intel based Macs running Bootcamp or Parallels.

* The software will NOT work on ARM based processors eg 'Windows on ARM' or snapdragon processors

Main features

    Table and parameter editing
    Datalog recording, playback & review
    Configurable display window with gauges, buttons and indicators
    Check and clear error codes
    Extensive built in context sensitive help system


    Built in calibrations for common engine combinations
    Hondata Vault for cloud storage of calibrations and datalogs


    Datalog directly from the FlashPro using a laptop or from on board datalogging memory on the FlashPro
    Recording & playback datalogs
    Graph & analyze datalog engine sensors

Parameter Editing

    Real time sensor display & table tracing
    Table editing with sensor overlays

FlashPro / FlashProManager Help

Download FlashProManager software here

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An essential tool for all Honda motorcycle owners. Quickly view trouble codes without having to interpret blink patterns, view and log live engine data, reprogram the ECU flash memory, and much more.

Features & Pricing

HondaECU licenses bind to a single computer. All license versions recieve free maintence and bug-fix updates.



  • View DTCs
  • Clear DTCs
  • View Live Engine Data
  • View Freeze Frame Data
  • Log Data to File
  • Read Flash Memory1,2
  • Write FLash Memory
  • Read/Write HRC Data Settings3
  • Read/Write EEPROM



  • View DTCs
  • Clear DTCs
  • View Live Engine Data
  • View Freeze Frame Data
  • Log Data to File
  • Read Flash Memory1,2
  • Write FLash Memory
  • Read/Write HRC Data Settings3
  • Read/Write EEPROM

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  • View DTCs
  • Clear DTCs
  • View Live Engine Data
  • View Freeze Frame Data
  • Log Data to File
  • Read Flash Memory1,2
  • Write Flash Memory
  • Read/Write HRC Data Settings3
  • Read/Write EEPROM

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  • View DTCs
  • Clear DTCs
  • View Live Engine Data
  • View Freeze Frame Data
  • Log Data to File
  • Read Flash Memory1,2
  • Write FLash Memory
  • Read/Write HRC Data Settings3
  • Read/Write EEPROM
  • New Features Are Free

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1 Only reading of Keihin based ECUs is supported at this time.

2 Most (if not all) R8C based ECUs with a memory offset of 0x8000 can not be read via K-line.

3 Only works official HRC ECUs.



Computers running ARM-based processors are not supported ('Windows on ARM'), including ARM based Macs using Parallels.

Note that you should never 'downgrade' your software version, as this will cause problems in cases where a later software update has updated the device firmware to a later version than what the software expects to find. It always is a good idea to use the most recent software version even if it is a beta.

SManager (S300)


Current version V2.7.3 7/10/2019 (32 MB)release notes

KManager (KPro)


Current version V4.4.2 7/10/2019 (32 MB)release notes

FlashProManager (FlashPro)


Current version V3.5.2 1/21/2019 (474 MB)release notes


Reduced size version (43 MB)

TractionControlManager (TractionControl)


Current version V1.0.9 9/14/2015 (13 MB) release notes

TractionControl software is built into SManager, KManager and FlashProManager.  Only download this version if you are using a different engine management system.

Hondata Mobile

Apple iOS store

Google Play Store

Head unit (radio) dash app

USB Device Drivers

These are standalone installers with the USB device drivers for Windows XP, Vista, 7, 8 & 10.  Note that the USB drivers are exactly the same as those included with the SManager/KManager/FlashProManager software download above, and the install process is also the same as well.

S300 USB Drivers (8MB)

KPro USB Drivers (8MB)

FlashPro USB Drivers (8MB)


S300 MoTeC CAN driver 600

S300 MoTeC CAN driver 666


Software honda flash

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How to Flash Reprogram a Honda with a J2534 device

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