TSB List for the 2021 Hyundai Elantra

Technical Service Bulletins (TSBs) for the 2021 Elantra 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
  • BRAKES (PWS)
  • ENGINE AND ENGINE COOLING
  • POWER TRAIN
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
  • ELECTRICAL SYSTEM:SOFTWARE
  • EXTERIOR LIGHTING
  • VISIBILITY
  • VISIBILITY/WIPER (PWS)
  • VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
  • STRUCTURE
  • STRUCTURE:BODY
  • TIRES
  • WHEELS
  • FORWARD COLLISION AVOIDANCE
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES
  • EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • 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 »

    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 #24-FL-003H

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10252354

      This bulletin contains the software update procedure for the Engine Control Unit (ECU) on certain 2021-2023MY Elantra (CN7) and 2022-2023MY Kona (OS) vehicles equipped with the 1. Read More »

    • 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 #23-EE-010H

      Date Announced:
      SEP 18, 2023
      NHTSA ID:
      #10243340

      This bulletin is issued to provide the extended battery diagnosis procedure using GDS-M. This battery diagnosis function displays the various battery-related faults such as: a?? Internal short circuit a?? Battery deterioration a?? ... 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 #22-01-032H

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10210210

      On certain 2021 Elantra and 2022 Kona vehicles equipped with 2.0L engine, a coolant leak at the Water Temperature Sensor (WTS) may be observed due to machining burrs at the mounting port of the cylinder head, resulting in improper ... Read More »

    • TSB #21-01-048H

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10199097

      On certain 2021-2022 Elantra vehicles, a coolant leak at the Water Temperature Sensor (WTS) may be observed due to machining burrs at the mounting port of the cylinder head, resulting in improper coolant sealing. Read More »

    • TSB #21-01-043H

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10196551

      This bulletin provides information related to the Engine Control Module (ECM) software update for 2021MY Elantra (CN7/CN7A) vehicles equipped with the 2. 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 »

    • TSB #21-01-017H

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10189981

      This bulletin provides the service procedure to update the Transmission Control Unit (TCU) software for certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT). Read More »

    POWER TRAIN

    • TSB #23-AT-010H

      Date Announced:
      AUG 23, 2023
      NHTSA ID:
      #10241878

      Certain vehicles equipped with the Intelligent Variable Transmission (IVT) may experience a check engine light or malfunction indicator light due to Diagnostic Trouble Codes (DTC) listed below. Read More »

    • TSB #23-01-014H-5

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10241874

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai ... Read More »

    • TSB #23-01-006H

      Date Announced:
      MAR 13, 2023
      NHTSA ID:
      #10233537

      Certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT) need an update to the damper clutch logic to address a potential engine stall condition immediately following Forward Collision ... Read More »

    • TSB #23-01-006H

      Date Announced:
      MAR 13, 2023
      NHTSA ID:
      #10233538

      This bulletin provides the service procedure to update the Transmission Control Unit (TCU) software for certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT). Read More »

    • TSB #22-01-076H

      Date Announced:
      SEP 20, 2022
      NHTSA ID:
      #10222083

      Some 2021 ~ 2022MY Elantra (CN7, CN7a, CN7 HEV) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction in power steering ... Read More »

    • TSB #22-01-007H

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207807

      Certain vehicles equipped with 7-speed Double Clutch Transmissions (DCT) may exhibit abnormal shifting caused by an out of specification input shaft snap ring. Read More »

    • TSB #21-01-017H

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10189981

      This bulletin provides the service procedure to update the Transmission Control Unit (TCU) software for certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT). Read More »

    ELECTRICAL SYSTEM

    • TSB #24-01-009H

      Date Announced:
      FEB 12, 2024
      NHTSA ID:
      #10251282

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-theft ignition cylinder protector campaign (Campaign 9A5) in ... Read More »

    • TSB #24-01-009H

      Date Announced:
      FEB 01, 2024
      NHTSA ID:
      #10251275

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-theft ignition cylinder protector campaign (Campaign 9A5) in ... Read More »

    • TSB #24-01-009H

      Date Announced:
      FEB 01, 2024
      NHTSA ID:
      #10251276

      This bulletin provides the service procedure to: 1) Upgrade the IBU/BCM (Integrated Body Control Unit/Body Control Module) to revise the OEM Hyundai burglar alarm system operation and ignition start logic and 2) Install two anti-theft ... Read More »

    • TSB #23-01-014H-6

      Date Announced:
      JAN 22, 2024
      NHTSA ID:
      #10249707

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-theft ignition cylinder protector campaign (Campaign 9A5) in ... Read More »

    • TSB #24-BE-001H

      Date Announced:
      JAN 10, 2024
      NHTSA ID:
      #10249699

      Some vehicles equipped with the AVN 5th Gen Wide system may exhibit a condition where the radio app crashes frequently when entering radio mode and/or displays a message that reads a??Uneven Road Ahead, Drive carefullya?? on the cluster ... Read More »

    • TSB #23-01-014H-6

      Date Announced:
      DEC 19, 2023
      NHTSA ID:
      #10247611

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-theft ignition cylinder protector campaign (Campaign 9A5) in ... Read More »

    • TSB #23-01-014H-6

      Date Announced:
      NOV 10, 2023
      NHTSA ID:
      #10245579

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    • TSB #23-01-014H-6

      Date Announced:
      NOV 10, 2023
      NHTSA ID:
      #10245578

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai ... Read More »

    • TSB #23-01-014H-5

      Date Announced:
      OCT 26, 2023
      NHTSA ID:
      #10244992

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai ... Read More »

    • TSB #23-EE-010H

      Date Announced:
      SEP 18, 2023
      NHTSA ID:
      #10243340

      This bulletin is issued to provide the extended battery diagnosis procedure using GDS-M. This battery diagnosis function displays the various battery-related faults such as: a?? Internal short circuit a?? Battery deterioration a?? ... Read More »

    • TSB #23-BE-010H

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10241849

      Some models from service campaign 993 (IBU/BCM Software Update and Decals Application) equipped with the Hyundai OEM remote start system may exhibit the horn honking when remote starting the vehicle after receiving the software update. Read More »

    • TSB #23-01-014H-5

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10241874

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai ... Read More »

    • TSB #23-BE-007H

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10240087

      This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundaia??s Navigation Updates page. Read More »

    • TSB #23-01-014H-5

      Date Announced:
      JUL 10, 2023
      NHTSA ID:
      #10240080

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    • TSB #23-01-014H-5

      Date Announced:
      JUL 10, 2023
      NHTSA ID:
      #10240081

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai ... Read More »

    • TSB #23-01-014H-5

      Date Announced:
      JUN 08, 2023
      NHTSA ID:
      #10238353

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    • TSB #23-01-014H-4

      Date Announced:
      MAY 12, 2023
      NHTSA ID:
      #10237189

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    • TSB #23-01-014H-4

      Date Announced:
      APR 13, 2023
      NHTSA ID:
      #10235555

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engine immobilizers targeted through social media. Read More »

    • TSB #23-01-014H-4

      Date Announced:
      APR 13, 2023
      NHTSA ID:
      #10235556

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    • TSB #23-01-014H-3

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10235341

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    • TSB #22-01-076H-1

      Date Announced:
      OCT 27, 2022
      NHTSA ID:
      #10225460

      Some 2021 ~ 2022MY Elantra (CN7, CN7a, CN7 HEV) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction in power steering ... Read More »

    • TSB #21-01-056H

      Date Announced:
      JUL 30, 2021
      NHTSA ID:
      #10200074

      Some 2021 Elantra (CN7) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction in power steering assist, and not able to ... Read More »

    • TSB #21-GI-005H

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10196583

      This bulletin provides information regarding the use of window mounted lockboxes without RFID shielding, which may cause battery drain on dealer stock vehicles. Read More »

    • TSB #21-BE-002H

      Date Announced:
      FEB 04, 2021
      NHTSA ID:
      #10188242

      This bulletin describes the procedure to update the radio software to help reduce the disconnection occurrences. Read More »

    • TSB #21-01-007H

      Date Announced:
      JAN 26, 2021
      NHTSA ID:
      #10186823

      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-GI-006H

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10185424

      This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2021MY Hyundai Elantra. After a new vehicle launch, Hyundai uses the LQMP to monitor all customer and dealer activities at a minimum of 100 days. Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

    • TSB #24-01-009H

      Date Announced:
      FEB 12, 2024
      NHTSA ID:
      #10251282

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-theft ignition cylinder protector campaign (Campaign 9A5) in ... Read More »

    • TSB #23-01-014H-6

      Date Announced:
      NOV 10, 2023
      NHTSA ID:
      #10245578

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai ... Read More »

    • TSB #23-01-014H-5

      Date Announced:
      OCT 26, 2023
      NHTSA ID:
      #10244992

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai ... Read More »

    • TSB #23-01-014H-5

      Date Announced:
      JUN 08, 2023
      NHTSA ID:
      #10238353

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR

    • TSB #23-01-014H-6

      Date Announced:
      NOV 10, 2023
      NHTSA ID:
      #10245579

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    • TSB #23-01-014H-5

      Date Announced:
      JUL 10, 2023
      NHTSA ID:
      #10240080

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    • TSB #23-01-014H-4

      Date Announced:
      APR 13, 2023
      NHTSA ID:
      #10235555

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engine immobilizers targeted through social media. Read More »

    • TSB #23-01-014H-4

      Date Announced:
      APR 13, 2023
      NHTSA ID:
      #10235556

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    • TSB #23-01-014H-5

      Date Announced:
      JUL 10, 2023
      NHTSA ID:
      #10240080

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #23-01-006H

      Date Announced:
      MAR 13, 2023
      NHTSA ID:
      #10233537

      Certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT) need an update to the damper clutch logic to address a potential engine stall condition immediately following Forward Collision ... Read More »

    • TSB #23-01-006H

      Date Announced:
      MAR 13, 2023
      NHTSA ID:
      #10233538

      This bulletin provides the service procedure to update the Transmission Control Unit (TCU) software for certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT). Read More »

    EXTERIOR LIGHTING

    • TSB #21-BE-007H

      Date Announced:
      APR 21, 2021
      NHTSA ID:
      #10191795

      Some 2021 Elantra (CN7a) rear combination lamp turn signal light bulbs may prematurely become inoperative. This bulletin describes the procedure to replace the rear combination lamp turn signal light bulbs for both the right and left side. 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 »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #23-01-014H-3

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10235341

      Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system ... Read More »

    STRUCTURE

    • TSB #22-BD-001H

      Date Announced:
      JAN 31, 2022
      NHTSA ID:
      #10207810

      Certain 2021MY Elantra vehicles may exhibit paint delamination on the left, right and lower moldings of the front bumper. Follow the procedure outlined in this bulletin to remove and replace the dark chrome front bumper moldings. 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 »

    FORWARD COLLISION AVOIDANCE

    • TSB #24-BE-005H

      Date Announced:
      MAR 20, 2024
      NHTSA ID:
      #10252366

      Certain 2021~2022MY Elantra (CN7/CN7A) vehicles may exhibit a warning light with DTC C1620, caused by a distorted signal due to internal contamination of the front radar reception antenna. Read More »

    EQUIPMENT

    • TSB #22-BD-001H

      Date Announced:
      JAN 31, 2022
      NHTSA ID:
      #10207810

      Certain 2021MY Elantra vehicles may exhibit paint delamination on the left, right and lower moldings of the front bumper. Follow the procedure outlined in this bulletin to remove and replace the dark chrome front bumper moldings. Read More »

    • TSB #22-01-007H

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207807

      Certain vehicles equipped with 7-speed Double Clutch Transmissions (DCT) may exhibit abnormal shifting caused by an out of specification input shaft snap ring. 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-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-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 »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #24-01-009H

      Date Announced:
      FEB 01, 2024
      NHTSA ID:
      #10251275

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-theft ignition cylinder protector campaign (Campaign 9A5) in ... Read More »

    • TSB #24-01-009H

      Date Announced:
      FEB 01, 2024
      NHTSA ID:
      #10251276

      This bulletin provides the service procedure to: 1) Upgrade the IBU/BCM (Integrated Body Control Unit/Body Control Module) to revise the OEM Hyundai burglar alarm system operation and ignition start logic and 2) Install two anti-theft ... Read More »

    • TSB #23-01-014H-5

      Date Announced:
      JUL 10, 2023
      NHTSA ID:
      #10240081

      Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai ... Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #23-BE-007H

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10240087

      This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundaia??s Navigation Updates page. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #23-01-006H

      Date Announced:
      MAR 13, 2023
      NHTSA ID:
      #10233537

      Certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT) need an update to the damper clutch logic to address a potential engine stall condition immediately following Forward Collision ... Read More »

    • TSB #21-BE-002H

      Date Announced:
      FEB 04, 2021
      NHTSA ID:
      #10188242

      This bulletin describes the procedure to update the radio software to help reduce the disconnection occurrences. Read More »

    • TSB #20-GI-006H

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10185424

      This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2021MY Hyundai Elantra. After a new vehicle launch, Hyundai uses the LQMP to monitor all customer and dealer activities at a minimum of 100 days. 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 »

    Browse Other Elantra Years