Hyundai Sonata Service Bulletins
129 manufacturer communications on file.
- October 21, 2025•Document ID: 11024510Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-075H TSB
- Date Added:
- October 28, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) vehicles may experience battery drain due to the air conditioning controller not shutting down completely while the vehicle is parked and turned off. This bulletin provides instructions to perform a software update for the ATCU (Air Temperature Control Unit).
Associated Products (3)Associated Documents - September 30, 2025•Document ID: 11023692Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-BE-020H TSB
- Date Added:
- October 3, 2025
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system as described in this TSB.
Associated Products (52)2026 Hyundai Venue2025 Hyundai Elantra2025 Hyundai Ioniq 5 N2025 Hyundai Ioniq 62025 Hyundai Kona2025 Hyundai Palisade2025 Hyundai Santa Cruz2025 Hyundai Santa Fe2025 Hyundai Sonata2025 Hyundai Tucson2025 Hyundai Venue2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Ioniq 52024 Hyundai Ioniq 62024 Hyundai Kona2024 Hyundai Palisade2024 Hyundai Santa Cruz2024 Hyundai Santa Fe2024 Hyundai Sonata+ 32 moreAssociated Documents - September 19, 2025•Document ID: 11023286Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- TDQ/TDQA WebDCS 2
- Date Added:
- September 23, 2025
- Manufacturer:
- HYUNDAI
SummaryThe issue regarding the cluster speedometer software upgrade failures when attempting to update to the latest version has been resolved. Technical Service Bulletins (TSBs) 25-01-048H & TSB 25-01-049H are available today as of 9:00AM PST and the affected VIN population has been reactivated.
Associated Products (2)Associated Documents - September 4, 2025•Document ID: 11023041Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- TDQ/TDQA WebDCS
- Date Added:
- September 9, 2025
- Manufacturer:
- HYUNDAI
SummaryHyundai Motor America is currently investigating an ongoing auto mode update concern with software GDS event #1243. Some vehicles are not being able to complete the update after multiple attempts. Technicians may experience consistent cluster speedometer software upgrade failures when attempting to update to the latest version. A revised version of the software is currently in development to address the update failures and recover any failed modules. We will provide an update once the issue is resolved and the suspension is lifted.
Associated Products (2)Associated Documents - September 2, 2025•Document ID: 11023039Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-048H TSB
- Date Added:
- September 9, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) and Sonata (DN8) N-Line trim vehicles equipped with the Super Vision instrument cluster (12.3” wide) may have speedometers that display the incorrect speed and/or an inoperative turbo boost gauge. This bulletin provides instructions to perform a software update to resolve this concern.
Associated Products (2)Associated Documents - July 9, 2025•Document ID: 11020693Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-045H TSB
- Date Added:
- July 15, 2025
- Manufacturer:
- HYUNDAI
SummaryA 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 VenueAssociated Documents - June 14, 2025•Document ID: 11019622Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-BE-013H TSB
- Date Added:
- June 18, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain vehicles with the Connected Car Navigation Cockpit (ccNC) Lite units may exhibit connection issues with Bluetooth and wireless phone projection. The vehicle's name may also not appear when trying to connect via Bluetooth. This condition may be caused by an internal fault inside the ccNC unit. Follow the procedures in this TSB to replace the ccNC unit in affected vehicles.
Associated Products (5)Associated Documents - May 30, 2025•Document ID: 11018891Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 25-AT-001H TSB
- Date Added:
- June 3, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA) and Sonata (DN8/DN8A) vehicles equipped with 8-speed dual clutch transmissions (8DCT) may exhibit one of the DTCs listed below, related to the high pressure electric oil pump (HP EOP). Follow the procedures in this TSB to update the Transmission Control Unit (TCU) to the latest sensorless logic on affected vehicles, and then perform air bleeding and transmission learning.
Associated Products (5)Associated Documents - May 16, 2025•Document ID: 11018876Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-BE-002H TSB
- Date Added:
- June 3, 2025
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information related to the changes introduced in the 2024 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2024 2nd Navigation Map and Software Update Improvements section in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB. The NAU website is https://update.hyundai.com/US/EN/navigationUpdate. For certain models equipped with a relevant Bluelink package, the software may be downloaded and applied via OTA update.
Associated Products (50)2026 Hyundai Venue2025 Hyundai Elantra2025 Hyundai Ioniq 5 N2025 Hyundai Ioniq 62025 Hyundai Kona2025 Hyundai Palisade2025 Hyundai Santa Cruz2025 Hyundai Santa Fe2025 Hyundai Sonata2025 Hyundai Tucson2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Ioniq 52024 Hyundai Ioniq 62024 Hyundai Kona2024 Hyundai Palisade2024 Hyundai Santa Cruz2024 Hyundai Santa Fe2024 Hyundai Sonata2024 Hyundai Tucson+ 30 moreAssociated Documents - May 8, 2025•Document ID: 11018575Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-024H-1 TSB
- Date Added:
- May 27, 2025
- Manufacturer:
- HYUNDAI
SummarySome vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection via the AVN pinhole reset method.
Associated Products (53)2025 Hyundai Elantra2025 Hyundai Elantra N2025 Hyundai Ioniq 52025 Hyundai Ioniq 62025 Hyundai Nexo2025 Hyundai Palisade2025 Hyundai Venue2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Ioniq 52024 Hyundai Ioniq 62024 Hyundai Nexo2024 Hyundai Palisade2024 Hyundai Santa Cruz2024 Hyundai Tucson2024 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Elantra N2023 Hyundai Ioniq 52023 Hyundai Ioniq 6+ 33 moreAssociated Documents - May 8, 2025•Document ID: 11018574Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-018H-1 TSB
- Date Added:
- May 27, 2025
- Manufacturer:
- HYUNDAI
SummarySome 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 verify Bluelink Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
Associated Products (10)Associated Documents - April 30, 2025•Document ID: 11017474Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 25-EE-002H
- Date Added:
- May 2, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) and Sonata (DN8A) vehicles may experience issues with the air conditioning due to damaged wiring in the engine room junction box. This bulletin provides instructions to replace the multi-fuse, reroute the damaged wiring using the blower wiring kit, and replace the fuse label.
Associated Products (3)Associated Documents - April 25, 2025•Document ID: 11017341Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-EE-002H TSB
- Date Added:
- April 30, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) and Sonata (DN8A) vehicles may experience issues with the air conditioning due to damaged wiring in the engine room junction box. This bulletin provides instructions to replace the multi-fuse, reroute the damaged wiring using the blower wiring kit, and replace the fuse label.
Associated Products (3)Associated Documents - April 7, 2025•Document ID: 11017111Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-024H EM
- Date Added:
- April 18, 2025
- Manufacturer:
- HYUNDAI
SummarySome vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's communication network. If you are experiencing issues with remote commands, or other Bluelink services, please see the instructions below to reestablish the connection via the AVN pinhole reset method.
Associated Products (47)2026 Hyundai Venue2025 Hyundai Elantra2025 Hyundai Elantra N2025 Hyundai Ioniq 52025 Hyundai Ioniq 62025 Hyundai Nexo2025 Hyundai Palisade2025 Hyundai Venue2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Ioniq 52024 Hyundai Ioniq 62024 Hyundai Nexo2024 Hyundai Palisade2024 Hyundai Tucson2024 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Elantra N2023 Hyundai Ioniq 52023 Hyundai Ioniq 6+ 27 moreAssociated Documents - April 4, 2025•Document ID: 11016996Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-BE-008H TSB
- Date Added:
- April 15, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain vehicles (See Applicable Vehicles List below) equipped with the 12-inch instrument cluster display and separate Instrument Cluster Module require software verification PRIOR to odometer mileage writing. If the Cluster Module does not have the latest software, the incorrect mileage may be written to the new module. This bulletin provides information to confirm the Instrument Cluster Module is equipped with the latest software version prior to using the GDS tablet to write the odometer mileage.
Associated Products (9)Associated Documents - March 18, 2025•Document ID: 11015936Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-024H TSB
- Date Added:
- March 25, 2025
- Manufacturer:
- HYUNDAI
SummarySome vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection via the AVN pinhole reset method.
Associated Products (46)2026 Hyundai Venue2025 Hyundai Elantra2025 Hyundai Elantra N2025 Hyundai Ioniq 52025 Hyundai Ioniq 62025 Hyundai Nexo2025 Hyundai Palisade2025 Hyundai Venue2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Ioniq 52024 Hyundai Ioniq 62024 Hyundai Nexo2024 Hyundai Palisade2024 Hyundai Tucson2024 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Elantra N2023 Hyundai Ioniq 52023 Hyundai Ioniq 6+ 26 moreAssociated Documents - March 13, 2025•Document ID: 11015669Service CampaignENGINE
- Mfr Comm. #:
- 25-01-023H TSB
- Date Added:
- March 17, 2025
- Manufacturer:
- HYUNDAI
SummaryThe 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)Associated Documents - March 13, 2025•Document ID: 11015668Service CampaignENGINE
- Mfr Comm. #:
- 25-01-023H DN
- Date Added:
- March 17, 2025
- Manufacturer:
- HYUNDAI
SummaryThe 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)Associated Documents - February 28, 2025•Document ID: 11014928Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-018H TSB
- Date Added:
- March 5, 2025
- Manufacturer:
- HYUNDAI
SummarySome 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 verify Bluelink Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
Associated Products (9)Associated Documents - February 22, 2025•Document ID: 11014445Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-BE-003H DN
- Date Added:
- February 25, 2025
- Manufacturer:
- HYUNDAI
SummaryHyundai Motor America has noted that several vehicles were impacted by a telecommunications outage that occurred on Sunday, February 9th , resulting in the potential loss of connectivity or interruptions when attempting to use Bluelink functions. Voice Recognition, Sports Media, and Weather will not be available. Dealer stock and retailed vehicles are both affected. If a customer calls in and their vehicle is experiencing issues related to Bluelink, please have them come into the dealership to assist with resetting the Bluelink Data Communication Unit (DCU) and utilize TSB 25-BE-003H posted on Hyundai Tech Info.
Associated Products (8)Associated Documents