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HiCOM Diagnostic Tool for Hyundai and KIA: All You Need To Know

Car Diagnostics Hyundai Kia

HiCOM Diagnostic Tool for Hyundai and KIA: All You Need To Know

hicom hyundai

HiCOM is a specialized tool for Hyundai and Kia car diagnostics. Hyundai and Kia have a diagnostic software interface called HiCOM. Since 1996, HiCOM has supported all OBD2 automobiles. HiCOM is a powerful tool that can read every module, erase erroneous codes that are discovered, show real-time data, run programs, and services, operate actuators, and more. 

HiCOM can read a Hyundai or Kia vehicle. A multiplexer for both K-Line and CAN-BUS communication is part of HiCOM’s clever OBD2 to USB interface. This indicates that you don’t need to adjust any switches or do anything else at all to get the interface to function. Ten multiplexed ISO9141 K-Lines, a fast CAN-BUS, and analog measurement circuits are all included in the OBD2 HiCOM USB interface. The protocols that are supported include ISO15765, KWP2000, and ISO9141. The industry standard for immobilizer programming is SMATRA pin code service. Vehicles from Hyundai and Kia may use the HiCOM system.

The main features of the HiCOM:

  • Full multiplex all-in-one smart USB2.0 interface
  • Automatic ECU recognition
  • Automatic vehicle scan
  • ECU Identification
  • Read Error Codes (DTC)
  • Clear Error Codes
  • Read freeze frame
  • Measured values ​​/ parameters / live data
  • Measurement values ​​recording
  • Print diagnostic protocol
  • Actuator test
  • ECU coding
  • Fully multiplexed all-in-one intelligent USB2.0 interface
  • ECU resets & installation
  • Common rail injector calibration coding
  • SMARTRA key programming

HiCOM Diagnostic Tool for Hyundai and KIA 

This tool does practically all of the tasks that the original dealer diagnostic tool would have done, in contrast to other universal auto scanner tools that merely read fault codes. The subsequent diagnostic capabilities are supported:

Read Identification

Displays all information necessary to identify the control unit, such as the component number, manufacturer, and the software/hardware version.

Read fault codes

Displays every problem code, both current and saved, along with a detailed description (for example, “Rail pressure – too low pressure”). Report printing and clipboard copying are supported by the program.

Clear fault codes

All fault codes and other diagnostic data are cleared using this function.


Detects all diagnostic fault codes and locates all installed ECUs (electronic control units) in the vehicle.

Measured Values

Live data is shown by the program, including coolant temperature, oxygen sensor readings, engine speed, and battery voltage. Values can be shown as a graph, nine values at once, or an exhaustive listing (all measured values). It is also possible to log to a file, which enables offline analysis.

Actuator test

A specific actuator is activated during an actuator test, such as a fuel pump, a lockable wheel, a lockable door, or a fuel cutoff.

Programming functions/Adaptation

All automobiles should have this capability because several systems, such as engine control units, immobilizers, airbags, alarms, body control units, and others, need to be reset or programmed after a repair has been made to the vehicle, or even configured after a damaged control unit has been replaced.

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HiCOM Software and Driver Installation

Microsoft Windows Operating System

1. Connect your CD-ROM drive to HiCOM’s installation disc.

2. Execute the installation program HiComSetup.exe.

3. Language selection for the installation

4. Select the location where you want the HiCOM to be installed, then click the Install button. When the installation is complete, hit the Close button.

When installing HiCOM, the drivers are immediately updated. When you connect the HiCOM to a USB port, Microsoft Windows will automatically install the necessary drivers. Operating a GNU/Linux system does not need the installation of drivers.

Connectors for Diagnostics in Hyundai/Kia Vehicles

The DLC location database, which can be accessed from the HiCOM main menu, lists the locations of OBD-II and manufacturer-specific (OBD-I) connections.

  • OBD-II
  • Hyundai 12-pin connector
  • Kia 20-pin connector

Diagnostic Preparation

Ensure that the ignition is switched on before beginning the diagnostic process. Connect your USB-connected HiCOM diagnostic interface to a computer or laptop. The interface test in the HiCOM settings must be successful. Connect your HiCOM diagnostic interface to the vehicle’s OBD-II port. 

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Affiliate Disclosure: As an Amazon Associate, we earn from qualifying purchases.

HiCOM Main Menu

Vehicle diagnostics and other tasks are separated into two sections on the HiCOM main menu. Below are the functionalities available in the HiCom main menu:

Choose a control unit

You can connect to a particular control unit you want to diagnose using this feature. Following the careful selection of the tested vehicle, you may pick the control unit. For appropriate diagnostic functionality, the selection of the model year and model code is crucial. We advise always attempting to identify a car using its VIN code. The Auto-scan feature can find every control unit in the tested car. The poor model choice might lead to inaccurate or lacking live data, faulty actuator testing and coding operations, and even perhaps damaged auto parts.


This function checks all known ECUs in the chosen vehicle and displays the list of ECUs found, together with the quantity of fault codes now active or previously saved (DTCs). Before beginning the auto-scan, the precise vehicle type must be chosen. Some ECU kinds are “shared,” which implies that they carry out two tasks simultaneously (e.g. ENGINE has also immobilizer function). Both ECU types therefore return the same trouble codes.

OBD-II Connector Location

You may look up the position of the OBD-II connection in a database. The database is updated often.


The following describes every setting’s function:


In the drop-down box, select the language of the HiCOM user interface.

Unit’s type

For measurable values, you can use the metric or imperial unit system.

Interface Port selection


This button updates the drop-down list for choosing a COM port. After connecting the diagnostic interface via USB to the PC and hitting the Refresh button, the correct COM port number should have already been selected. If not, select the appropriate COM port from the list. It is required to conduct an effective interface test.

Test interface

Please click this button to verify that your linked interface is operating properly before using the software. Following a successful test, the firmware version and details regarding active licenses are displayed underneath the COM port field along with the serial number of your interface.

Activate license

Activating new licenses to use the application or particular features requires pressing this button. Internet access is necessary. Before making a purchase, the standard license is already active for all interfaces.

Upgrade Firmware

After installing the most recent software version, use this button to upgrade the firmware in your diagnostic interface. Keep your interface connected while you update the firmware.

Device Manager

Device Manager is used to reinstall drivers or to get the right COM port number. The name of your device may be found under “Ports (COM & LPT)” as “ELM-USB Interface (COMx)”.

Bluetooth Manager

A precursor to a planned Bluetooth function is Bluetooth Manager. The button is not functioning right now.


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