Technical Service Bulletins (TSBs) for the 2020 Ioniq are official communications between Hyundai & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #218/231 amend

      Date Announced:
      JUN 03, 2022
      NHTSA ID:
      #10215599

      Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing. Read More »

    • TSB #22-ST-005H

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10211678

      Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing. Read More »

    • TSB #22-ST-005H

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10211680

      Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing. Read More »

    • TSB #21-ST-003H

      Date Announced:
      OCT 01, 2021
      NHTSA ID:
      #10203272

      Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. Read More »

    BRAKES (PWS)

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »

    • TSB #20-BR-002H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10183963

      This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #23-EM-005H

      Date Announced:
      OCT 13, 2023
      NHTSA ID:
      #10247189

      This bulletin provides important checkpoint guidelines when performing engine oil and filter change services. Read More »

    • TSB #22-EM-010H

      Date Announced:
      JUL 28, 2022
      NHTSA ID:
      #10217251

      Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement. Read More »

    • TSB #21-EM-004H

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190044

      This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required ... Read More »

    • TSB #21-EM-003H

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10189989

      This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below. Read More »

    ELECTRICAL SYSTEM

    • TSB #24-01-034H

      Date Announced:
      APR 30, 2024
      NHTSA ID:
      #10254336

      This bulletin provides the procedure to update the BMS (Battery Management System), MCU (Motor Control Unit), VCULDC (Vehicle Control Unit / Low DC-DC Converter) and IGPM (Integrated Gateway Power Module) to enhance the battery ... Read More »

    • TSB #21-BE-004H

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10189991

      When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message a??Phone Not Responding. Please reconnect it and try againa?? will appear on the radio screen. Read More »

    • TSB #20-BE-014H

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10185443

      When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message a??Phone Not Responding. Please reconnect it and try againa?? will appear on the radio screen. Read More »

    • TSB #20-01-039H

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10182304

      This bulletin provides information and procedures for collecting OBD a??In Use Monitor Performance Ratioa?? (IUMPR) data on certain 2019-2021MY vehicles at California dealers. Read More »

    VISIBILITY

    • TSB #24-BD-001H

      Date Announced:
      FEB 14, 2024
      NHTSA ID:
      #10251285

      This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. Read More »

    • TSB #23-BD-002H

      Date Announced:
      JAN 30, 2023
      NHTSA ID:
      #10230904

      This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

    VISIBILITY/WIPER (PWS)

    • TSB #24-BD-001H

      Date Announced:
      FEB 14, 2024
      NHTSA ID:
      #10251285

      This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. Read More »

    STRUCTURE:BODY

    • TSB #23-BD-007H

      Date Announced:
      APR 24, 2023
      NHTSA ID:
      #10235566

      Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. Read More »

    TIRES

    • TSB #22-GI-006H

      Date Announced:
      JUL 14, 2022
      NHTSA ID:
      #10217258

      Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail ... Read More »

    • TSB #20-SS-004H

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10183960

      This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. Read More »

    WHEELS

    • TSB #20-SS-004H

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10183960

      This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. Read More »

    EQUIPMENT

    • TSB #21-EM-004H

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190044

      This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required ... Read More »

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »

    • TSB #21-BE-004H

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10189991

      When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message a??Phone Not Responding. Please reconnect it and try againa?? will appear on the radio screen. Read More »

    • TSB #21-EM-003H

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10189989

      This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below. Read More »

    • TSB #20-01-039H

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10182304

      This bulletin provides information and procedures for collecting OBD a??In Use Monitor Performance Ratioa?? (IUMPR) data on certain 2019-2021MY vehicles at California dealers. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »