HondaVert preCAN daughter board for Honda Accord, Element, CR-V and Acura RSX ECU, which significantly expands capacity of it.
Datalog, RealTime Programming, Launch Control, Boost Control, Nitrous Control and more. Fully retains all vehicle systems. ABS, VSA, Gauges, Climate control and etc.

HondaVert preCAN compatible with the following cars

This solution is suitable for vehicles without ECU replacement

  • 05-06 Acura RSX Facelift
  • 03-07 Honda Accord USA (CM4-CM8)
  • 03-06 Honda Element
  • 02-06 Honda CR-V 2.4 (for SWAP ONLY)

This solution is suitable for vehicles (required OEM ECU replacement to prepared ECU)
*After replacing ECU, Cruise control system, ABS, VSA stay functional.

  • 03-07 Honda Accord EuroR JDM
  • 03-07 Honda Accord Manual Transmission (CL7-CL9)
  • 03-07 Acura TSX Manual Transmission (CL7-CL9)

COOMING SOON! Honda Accord/Acura TSX Automatic Transmission Conversion KIT

  • 03-07 Honda Accord Automatic Transmission (CL7-CL9)
  • 03-07 Acura TSX Automatic Transmission (CL7-CL9)
  • OEM Wideband O2 sensor
  • Traction Control for better stability (Addon module)
  • Bluetooth (Addon module)
  • Extra analog inputs
  • FlexFuel input for GM sensor
  • Drive by Wire and Cable Throttle Setups
  • Support CANBUS GAUGES (Honda Accord)
  • Automatic and Manual Transmission support

What sotware can I use?

  • KTuner
  • HV ECU Manager (under development)

All HondaVert preCAN devices compatible with KTuner 1.0.11.2.

Software downloaded from other sites not compatible with HondaVert preCAN devices.

  • PND – Acura RSX 05-06 [CABLE THROTTLE]
  • RAD – Honda Accord USA 03-05 [CABLE THROTTLE, CANBUS GAUGES]
  • RAD – Honda Accord USA 06-07 [DBW, CANBUS GAUGES]
  • PZD – Honda Element 03-06 [CABLE THROTTLE]
  • PPA – Honda CR-V 03-05 [CABLE THROTTLE, CANBUS GAUGES]
  • PPA – Honda CR-V 06-07 [DBW, CANBUS GAUGES]

Other ECU’s that have an interface on the PCB (pins for soldering CN101 and CN4)


To install the board you need some tools and parts:

  • Soldering station and soldering iron
  • preCAN board
  • Installation kit (come with the original product)
Solder connectors CN101 and CN4 from install kit to ECU
Make a hole in ECU case for USB Connector. Install preCAN Board with supplied screws from installation pack

We recommend to disable antivirus software and windows defender before installing. Software does not contain viruses, but makes changes to the system files, which may raise warning in your antivirus software or windows defender.

Run «hvkt_setup_1.0.11.2.exe». Follow instructions of installation wizard.
Install preCAN drivers. Follow instructions of installation wizard.

Internet connection required to work with KTuner software

After first start KTuner Assistant guide you to install drivers. You do not need this drivers, just ignore it. Click Next and then Finish.

Registering a New Account

If you don’t have Hondavert Account in KTuner Software. Connect USB cable to preCAN device. In Account Management window enter your Email, Name and Password to create new account. Click Register button.
Do not lose your account password – password recovery is a paid procedure!
If you done everything correctly, you will see a window with a message about successful registration of your account. Click OK and then CLOSE in Account Management window.

Login Into Existing Account

If you already have Hondavert Account in KTuner Software. Connect USB cable to preCAN device. In Account Management window enter your Email, Name and Password and click Update button to synchronize your local data with Hondaver server.
If you done everything correctly, you will see a window with a message about successful update of your licenses. Click OK and then CLOSE in Account Management window.

Each preCAN device must be registered in your account and locked to ECU.

Registering preCAN in Account

After login, KTuner software will determine a new preCAN device that is not registered in your account and will offer to register it. Press YES.
If you done everything correctly, you will see a window with a message about successful registration. Click OK.

Lock preCAN device to ECU

Turn ignition ON. KTuner will detect a new ECU and offer you to Lock preCAN device to this ECU. Press YES.
If you done everything correctly, you will see a window with a message about successful Lock to ECU. Click OK.

Information About your Devices and ECU’s

TOOLS — KTUNER UNIT INFO will show you information about your Devices and ECU’s

There are HL1 RED, HL2 BLUE , HL3 GREEN, HL4 GREEN LEDs near the USB connector.
HL1HL2HL3HL4Meaning
OnOffOffBlinking
Slowly
ECU NOT Powered or NO Communication with ECU
Blinking
Slowly
Data
Transfer
OffBlinking
Slowly
ECU Powered with Factory Codebase
OffOffBlinking
Fast
Blinking
Slowly
ECU Powered with KTuner Codebase.
OffData
Transfer
Blinking
Fast
Blinking
Fast
Datalogging with PC via USB
Blinking
Fast
Data
Transfer
Blinking
Fast
Blinking
Slowly
PreCAN OnBoard Logging Active
(PC Datalogging inactive)
On With
Flickering
Data
Transfer
Blinking
Fast
Blinking
Slowly
PreCAN OnBoard Logging Erasure
(PC Datalogging inactive)
OffData
Transfer
Blinking
Fast
Blinking
Slowly
Downloading Codebase form ECU
OnData
Transfer
OffBlinking
Slowly
Uploading Codebase to ECU

preCAN compatible ECU’s are supports multiple types of throttle bodies

Cable throttle. Driven by cable. Throttle Position Sensor (TPS) and Idle Air Control Valve. (IACV) are mounted on the throttle body.
Cable throttle wiring diagram.

Electronic Throttle. Also known as Drive by Wire. Based on the signal from the. Accelerator Pedal Position Sensor (APP SENSOR).
Drive by Wire wiring diagram

For “swap” K engine with DBW into a chasis with a Cable, we need to buy two. modules from a Honda Accord or CR-V with DBW system:

a) Accelerator Pedal Position Sensor module (APP SENSOR). Part Number 37971-RBB-003
b) DBW Control unit. Part number 37850-PPD-911
DBW control unit wiring diagram

False virus detections are possible. If you have problem with downloading – disable your Antivirus software and Windows Defender.

PASSWORD FOR ARCHIVES EXTRACTING: 1234