Hyundai Sonata Service Bulletins

129 manufacturer communications on file.

• February 15, 2025•Document ID: 11014444

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-BE-003H TSB

  Date Added:

  February 25, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to reset the Connected Car Data Communication Unit (DCU) in Dealer Mode to resolve the connection.

  Associated Products (9)

  2025 Hyundai Ioniq 52025 Hyundai Kona2025 Hyundai Santa Cruz2025 Hyundai Santa Fe2025 Hyundai Sonata2025 Hyundai Tucson2024 Hyundai Kona2024 Hyundai Santa Fe2024 Hyundai Sonata
  Associated Documents

  • DownloadMC-11014444-0001.pdf↗
• January 25, 2025•Document ID: 11013237

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-005H TSB

  Date Added:

  January 30, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain vehicles listed below may have a Bluelink malfunction or not able to have Bluelink setup. This bulletin provides instructions to reset the network in Dealer Mode to prevent the Data Concentrator Unit (DCU) modem from experiencing a "Blue Link Not Open" error.

  Associated Products (3)

  2025 Hyundai Ioniq 52025 Hyundai Kona2025 Hyundai Sonata
  Associated Documents

  • DownloadMC-11013237-0001.pdf↗
• January 9, 2025•Document ID: 11012819

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  25-FL-001H

  Date Added:

  January 13, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Some vehicles equipped with a 2.5L GDI Theta III engine (non-Turbo) may exhibit one or more misfire DTCs due to the GDI injectors leaking internally. This may be caused by internal filter breakage in the injector. Follow the procedure in this TSB to replace all 4 injectors on affected vehicles, using the kit in the Parts Information section.

  Associated Products (8)

  2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Santa Cruz2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2021 Hyundai Santa Fe2021 Hyundai Sonata
  Associated Documents

  • DownloadMC-11012819-0001.pdf↗
• January 3, 2025•Document ID: 11012362

  Service Campaign
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  25-01-001H TSB

  Date Added:

  January 6, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have DTC P0451 stored in the ECU. Follow this bulletin to inspect the check valve, fuel pump cover and fuel tank, and update the ECU. If necessary, replace the check valve and/or fuel tank based on inspection results. The ECU Upgrade contains a revised DTC P14EE00 which supersedes P0451.

  Associated Products (3)

  2023 Hyundai Sonata2022 Hyundai Sonata2021 Hyundai Sonata
  Associated Documents

  • DownloadMC-11012362-0001.pdf↗
• January 3, 2025•Document ID: 11012361

  Service Campaign
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  25-01-001H DBP

  Date Added:

  January 6, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have Diagnostic Trouble Code (DTC) P0451 (also known as DTC P14EE00) stored in the Electronic Control Unit (ECU). The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.

  Associated Products (3)

  2023 Hyundai Sonata2022 Hyundai Sonata2021 Hyundai Sonata
  Associated Documents

  • DownloadMC-11012361-0001.pdf↗
• December 14, 2024•Document ID: 11011841

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-01-093H

  Date Added:

  December 14, 2024

  Manufacturer:

  HYUNDAI

  Summary

  Certain Sonata (DN8) and Sonata Hybrid (DN8 HEV) vehicles may exhibit DTC C2A274B due to the rear corner radar missing the outside temperature input from the ADAS sensor. Follow the procedures in this bulletin to input the external temperature from the cluster and correct the rear corner radar temperature software using GDS.

  Associated Products (1)

  2025 Hyundai Sonata
  Associated Documents

  • DownloadMC-11011841-0001.pdf↗
• December 10, 2024•Document ID: 11011830

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  9B1 OL

  Date Added:

  December 13, 2024

  Manufacturer:

  HYUNDAI

  Summary

  The subject vehicles may have Diagnostic Trouble Code (DTC) P0451 stored in the ECU, which could cause the Check Engine Lamp to come on.

  Associated Products (3)

  2023 Hyundai Sonata2022 Hyundai Sonata2021 Hyundai Sonata
  Associated Documents

  • DownloadMC-11011830-0001.pdf↗
• November 14, 2024•Document ID: 11010975

  Service Campaign
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  24-01-020H DBP

  Date Added:

  December 3, 2024

  Manufacturer:

  HYUNDAI

  Summary

  Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have Diagnostic Trouble Code (DTC) P0451 stored in the Electronic Control Unit (ECU). The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.

  Associated Products (3)

  2023 Hyundai Sonata2022 Hyundai Sonata2021 Hyundai Sonata
  Associated Documents

  • DownloadMC-11010975-0001.pdf↗
• November 14, 2024•Document ID: 11010974

  Service Campaign
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  24-01-020H TSB

  Date Added:

  December 3, 2024

  Manufacturer:

  HYUNDAI

  Summary

  Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have DTC P0451 stored in the ECU. Follow this bulletin to inspect the check valve, fuel pump cover and fuel tank, and update the ECU. If necessary, replace the check valve and/or fuel tank based on inspection results.

  Associated Products (3)

  2023 Hyundai Sonata2022 Hyundai Sonata2021 Hyundai Sonata
  Associated Documents

  • DownloadMC-11010974-0001.pdf↗
• October 22, 2024•Document ID: 11009154

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  24-01-080H OL

  Date Added:

  October 25, 2024

  Manufacturer:

  HYUNDAI

  Summary

  Hyundai has become aware that the subject vehicles may contain a faulty sensor in the EGR valve assembly which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a malfunction of the EGR valve or crank position sensor, both of which reside on the same power circuit, resulting in the malfunction indicator light (“MIL”) illumination and/or sudden loss of drive power during operation.

  Associated Products (2)

  2024 Hyundai Sonata2024 Hyundai Tucson
  Associated Documents

  • DownloadMC-11009154-0001.pdf↗
• September 25, 2024•Document ID: 11008137

  Service Campaign
  ENGINE

  Mfr Comm. #:

  24-01-080H

  Date Added:

  September 30, 2024

  Manufacturer:

  HYUNDAI

  Summary

  The exhaust gas recirculation (EGR) valve assembly in certain vehicles (listed below) may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). Follow the information in this bulletin to replace the EGR valve assembly and gasket.

  Associated Products (2)

  2024 Hyundai Sonata2024 Hyundai Tucson
  Associated Documents

  • DownloadMC-11008137-0001.pdf↗
• September 25, 2024•Document ID: 11008136

  Service Campaign
  ENGINE

  Mfr Comm. #:

  24-01-080H

  Date Added:

  September 30, 2024

  Manufacturer:

  HYUNDAI

  Summary

  The exhaust gas recirculation (EGR) valve assembly in certain vehicles may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.

  Associated Products (2)

  2024 Hyundai Sonata2024 Hyundai Tucson
  Associated Documents

  • DownloadMC-11008136-0001.pdf↗
• September 23, 2024•Document ID: 11008135

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-BE-013H

  Date Added:

  September 30, 2024

  Manufacturer:

  HYUNDAI

  Summary

  Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Service (CCS) functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to reset the Connected Car Data Communication Unit (DCU) in Dealer Mode to resolve the connection.

  Associated Products (5)

  2025 Hyundai Kona2025 Hyundai Tucson2024 Hyundai Kona2024 Hyundai Santa Fe2024 Hyundai Sonata
  Associated Documents

  • DownloadMC-11008135-0001.pdf↗
• September 12, 2024•Document ID: 11008008

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-01-045H-2

  Date Added:

  September 25, 2024

  Manufacturer:

  HYUNDAI

  Summary

  A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.

  Associated Products (19)

  2026 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Kona2023 Hyundai Kona N2023 Hyundai Santa Cruz2023 Hyundai Santa Fe2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Elantra2022 Hyundai Elantra N2022 Hyundai Kona2022 Hyundai Kona N2022 Hyundai Palisade2022 Hyundai Santa Cruz2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2022 Hyundai Veloster N2022 Hyundai Venue
  Associated Documents

  • DownloadMC-11008008-0001.pdf↗
• August 28, 2024•Document ID: 11007485

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-01-045H-1

  Date Added:

  September 7, 2024

  Manufacturer:

  HYUNDAI

  Summary

  A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.

  Associated Products (19)

  2026 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Kona2023 Hyundai Kona N2023 Hyundai Santa Cruz2023 Hyundai Santa Fe2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Elantra2022 Hyundai Elantra N2022 Hyundai Kona2022 Hyundai Kona N2022 Hyundai Palisade2022 Hyundai Santa Cruz2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2022 Hyundai Veloster N2022 Hyundai Venue
  Associated Documents

  • DownloadMC-11007485-0001.pdf↗
• July 23, 2024•Document ID: 11006112

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  24-EM-001H

  Date Added:

  August 7, 2024

  Manufacturer:

  HYUNDAI

  Summary

  Certain 20-22MY Sonata (DN8a), 21-23MY Santa Fe (TMa), and 22-23MY Tucson (NX4a) vehicles may experience a warning lamp illumination for a diagnostic trouble code P2181 that is related to the Integrated Thermal Management Module (ITM). Follow the service procedure outlined in this bulletin to replace the ITM.

  Associated Products (7)

  2023 Hyundai Santa Fe2023 Hyundai Tucson2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2021 Hyundai Santa Fe2021 Hyundai Sonata
  Associated Documents

  • DownloadMC-11006112-0001.pdf↗
• July 19, 2024•Document ID: 11006111

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-BE-001H-1

  Date Added:

  August 7, 2024

  Manufacturer:

  HYUNDAI

  Summary

  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 “Uneven Road Ahead, Drive carefully” on the cluster along with a warning sound. Follow the procedure outlined in this bulletin to update the AVN software to resolve this condition.

  Associated Products (19)

  2023 Hyundai Elantra2023 Hyundai Ioniq 52023 Hyundai Kona2023 Hyundai Kona N2023 Hyundai Palisade2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Elantra2022 Hyundai Ioniq 52022 Hyundai Kona2022 Hyundai Kona N2022 Hyundai Palisade2022 Hyundai Sonata2022 Hyundai Tucson2022 Hyundai Veloster N2021 Hyundai Elantra2021 Hyundai Palisade2021 Hyundai Sonata2021 Hyundai Veloster N
  Associated Documents

  • DownloadMC-11006111-0001.pdf↗
• June 12, 2024•Document ID: 11002708

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-01-045H

  Date Added:

  July 1, 2024

  Manufacturer:

  HYUNDAI

  Summary

  A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.

  Associated Products (17)

  2026 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Kona2023 Hyundai Santa Cruz2023 Hyundai Santa Fe2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Elantra2022 Hyundai Elantra N2022 Hyundai Kona2022 Hyundai Palisade2022 Hyundai Santa Cruz2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2022 Hyundai Veloster N2022 Hyundai Venue
  Associated Documents

  • DownloadMC-11002708-0001.pdf↗
• April 9, 2024•Document ID: 10253275

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  24-AT-002H

  Date Added:

  April 16, 2024

  Manufacturer:

  HYUNDAI

  Summary

  This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.

  Associated Products (17)

  2024 Hyundai Kona2024 Hyundai Palisade2024 Hyundai Santa Cruz2024 Hyundai Sonata2024 Hyundai Tucson2023 Hyundai Palisade2023 Hyundai Santa Cruz2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Palisade2022 Hyundai Santa Cruz2022 Hyundai Sonata2022 Hyundai Tucson2021 Hyundai Palisade2021 Hyundai Sonata2021 Hyundai Tucson2021 Hyundai Veloster
  Associated Documents

  • DownloadMC-10253275-0001.pdf↗
• February 29, 2024•Document ID: 10251294

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); POWER TRAIN; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  24-FL-002H

  Date Added:

  March 5, 2024

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides the procedure to update the Engine Control Module (ECM) and/or the Transmission Control Module (TCM) for 2020-2023MY Sonata (DN8/DN8a) vehicles to improve operation of the Idle Stop and Go (ISG) system. Under certain circumstances the vehicle may not restart after the ISG system has engaged and requires a manual restart due to the lack of intake manifold pressure recovery.

  Associated Products (3)

  2023 Hyundai Sonata2022 Hyundai Sonata2021 Hyundai Sonata
  Associated Documents

  • DownloadMC-10251294-0001.pdf↗