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Home >> Hyundai >> 2025 >> Kona N Line, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Smart Key/Security System) >> Digital Key System >> Digital Key System Diagnostic >> Diagnosis With Diagnostic Tools
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Diagnosis With Diagnostic Tools

WARNING: This page is about a different car, the 2024 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
  1. In the Digital Key System, failure can be quickly diagnosed by using the vehicle diagnostic system.

    The diagnostic system provides the following information:

    1. Fault Code Searching: Checking failure and code number (DTC)
    2. Data Analysis: Checking the system input/output data state
  2. If diagnose the vehicle by diagnostic tools, select "Vehicle" and "DTC Analysis".
    G16548594Courtesy of HYUNDAI MOTOR AMERICA
    G16548595Courtesy of HYUNDAI MOTOR AMERICA
  3. If the following DTC is displayed, check it according to the "DTC Diagnostic Guide".
    DTC Failure state
    B1603-00 CAN BUS OFF (B-CAN)
    B160F-00 IAU(BDC) Local CAN Bus Off
    B165B-00 IAU(BDC) ECU I2C Error
    B165C-00 IAU(BDC) Teaching Error
    B166D-00 Left Door Handle Module Fault
    B166E-00 Right Door Handle Module Fault
    B16C500 CAN Time - out DHL (Door Handle module Left)
    B16C600 CAN Time - out DHL (Door Handle module Right)
  4. If check current status, select the "Data Analysis" and "IAU".
    G16548596Courtesy of HYUNDAI MOTOR AMERICA
    G16548597Courtesy of HYUNDAI MOTOR AMERICA