2021 Kia Niro EV EXFACTORY OEM SERVICE PROCEDURE

Power/Display Defect

WARNING: This page is about a different car, the 2019 Kia Niro EV. However, it is still accessible from the selected car via links, so may be relevant.
  1. System features/Misdiagnose cases
    Inspection Description
    (1) System features
    1. IGN ON (H/U B+, ACC Power on), H/U Power must be ON.

      (Normal display - No lines, broken character, white screen)

    2. IGN OFF (B+, ACC Power off), H/U Power must be OFF

      (No power on/off by itself)
    (2) Misdiagnose cases
    1. Vehicle modification affects multimedia (Black box, custom navigation, custom mic)
    2. Battery is drained
    3. Multimedia switch is OFF on fuse box
  2. No power on
    Inspection Description
    (1) Duplicate issue
    1. Duplicate issue during IGN ON (BATT, ACC Power on) is it intermittent?

      → If unable to duplicate, proceed with test driving
    (2) External/Environmental issue
    • Vehicle modification
    • Cable connection
    1. Vehicle modification
      1. Custom Navigation installed/black box power on/Reception related modification
    2. Fuse box - Multimedia Fuse
      1. Check multimedia fuse in the fuse box

        → Replace fuse and re-test

    3. Main cable (Connection/Power)
      1. Check connection status of H/U main power (B)

        → If connection is loose or disabled, reconnect and check

      2. If connection status is normal, contact may be bad, So shake the cable and check

        → If defect is dependent on shaking cable, check cable and connector

    G13204089G13204090Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    Factory Service Tools

    Use the Manual With the Right Hardware

    Pair factory procedures with proven DIY tools so the instructions are easier to execute.

    Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

    Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

    When to See a Mechanic

    Stop DIY work and contact a certified mechanic immediately if any of the following apply:

    • • You smell fuel, burning insulation, or see smoke.
    • • Brakes feel soft, pull hard to one side, or make grinding noises.
    • • The engine overheats, stalls repeatedly, or misfires under load.
    • • You are missing required tools, torque specs, or safe lifting equipment.
    • • You are not confident in the next step or safety outcome.

    Rather have a pro handle this?

    A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

    Comes to youSame-day available12-month warranty
    Get a Free Quote

    No obligation. See pricing before you book.