Technical Service Bulletins (TSBs) for the 2020 NEXO 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.

    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 (PWS)

    • TSB #Campaign T5D Dea

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10178162

      This service campaign is to provide information on the software update related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. 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 #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 »

    FUEL SYSTEM, OTHER

    • TSB #20-01-029H

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10178167

      This bulletin provides software update information related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. Read More »

    POWER TRAIN

    • TSB #20-AT-016H

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174807

      The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions: Read More »

    ELECTRICAL SYSTEM

    • 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 »

    • TSB #Campaign T5I - D

      Date Announced:
      AUG 24, 2020
      NHTSA ID:
      #10179309

      Certain 2019 - 2020 MY NEXO (FE) vehicles may experience a condition in which the radio presets may reset during AVN start up. Read More »

    • TSB #20-01-022H-1

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10177139

      Some 2019 - 2020 Nexo (FE), 2020 Palisade (LX2), and 2019 - 2020 Santa Fe (TM) vehicles equipped with the power tailgate may not operate. Read More »

    • TSB #20-EE-003H

      Date Announced:
      APR 23, 2020
      NHTSA ID:
      #10174808

      This bulletin provides information on identifying dealer stock vehicles with either: a?? A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. a?? A 30 Day alert - vehicle has not started and reported an SOC in 30 days. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #20-01-034H

      Date Announced:
      AUG 24, 2020
      NHTSA ID:
      #10179248

      This bulletin describes the procedure to install an Audio Video Navigation (AVN) software update which corrects a condition in which the radio presets may reset during AVN start up. Read More »

    • TSB #Campaign T5D Dea

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10178162

      This service campaign is to provide information on the software update related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. Read More »

    • TSB #20-01-029H

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10178167

      This bulletin provides software update information related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:FUEL CELL

    • TSB #20-FL-008H-1

      Date Announced:
      DEC 02, 2020
      NHTSA ID:
      #10185416

      This bulletin provides information on how to properly vent Hydrogen from a Nexo FCEV for maintenance or repairs. Read More »

    EXTERIOR LIGHTING

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

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

    • TSB #20-01-022H-2

      Date Announced:
      SEP 04, 2020
      NHTSA ID:
      #10181004

      Some 2019-2020 Nexo (FE), and 2020 Palisade (LX2) vehicles equipped with the power tailgate may not operate. Read More »

    • TSB #Campaign T4X Dea

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10177138

      Certain 2019-2020 Nexo (FE), 2020 Palisade (LX2), and 2019 - 2020 Santa Fe (TM) vehicles equipped with the power tailgate may experience a nonoperational condition. Read More »

    • TSB #20-01-022H

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176190

      Some 2019-2020 Nexo (FE), and 2020 Palisade (LX2) vehicles equipped with the power tailgate may not operate. Read More »

    • TSB #Campaign T4X Dea

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176191

      Hyundai is conducting a Service Campaign to inspect the power tailgate harness and when necessary, perform the power tailgate spindle wire harness update. 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 »

    STRUCTURE:BODY:TAILGATE

    • TSB #20-01-022H-1

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10177139

      Some 2019 - 2020 Nexo (FE), 2020 Palisade (LX2), and 2019 - 2020 Santa Fe (TM) vehicles equipped with the power tailgate may not operate. 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 »

    • TSB #20-SS-002H(1)

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176182

      This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and 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 »

    • TSB #20-SS-002H(1)

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176182

      This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and 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 »

    • TSB #Campaign T5I - D

      Date Announced:
      AUG 24, 2020
      NHTSA ID:
      #10179309

      Certain 2019 - 2020 MY NEXO (FE) vehicles may experience a condition in which the radio presets may reset during AVN start up. Read More »

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

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

    • TSB #Campaign T5D Dea

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10178162

      This service campaign is to provide information on the software update related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. Read More »

    • TSB #Campaign T4X Dea

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10177138

      Certain 2019-2020 Nexo (FE), 2020 Palisade (LX2), and 2019 - 2020 Santa Fe (TM) vehicles equipped with the power tailgate may experience a nonoperational condition. Read More »

    • TSB #20-01-022H-1

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10177139

      Some 2019 - 2020 Nexo (FE), 2020 Palisade (LX2), and 2019 - 2020 Santa Fe (TM) vehicles equipped with the power tailgate may not operate. Read More »

    • TSB #20-BD-007H-1

      Date Announced:
      MAY 01, 2020
      NHTSA ID:
      #10176178

      This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products. Read More »

    • TSB #20-EE-003H

      Date Announced:
      APR 23, 2020
      NHTSA ID:
      #10174808

      This bulletin provides information on identifying dealer stock vehicles with either: a?? A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. a?? A 30 Day alert - vehicle has not started and reported an SOC in 30 days. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #20-01-034H

      Date Announced:
      AUG 24, 2020
      NHTSA ID:
      #10179248

      This bulletin describes the procedure to install an Audio Video Navigation (AVN) software update which corrects a condition in which the radio presets may reset during AVN start up. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #20-01-034H

      Date Announced:
      AUG 24, 2020
      NHTSA ID:
      #10179248

      This bulletin describes the procedure to install an Audio Video Navigation (AVN) software update which corrects a condition in which the radio presets may reset during AVN start up. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #20-AT-016H

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174807

      The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions: 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 »

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

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

    • TSB #Campaign T5D Dea

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10178162

      This service campaign is to provide information on the software update related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. Read More »

    • TSB #20-AT-016H

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174807

      The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions: Read More »