Hyundai Sonata Service Bulletins (2025)
35 manufacturer communications on file.
- October 21, 2025•Document ID: 11024538Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-075H/076H DCS
- Date Added:
- October 29, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) and Sonata Hybrid (DN8 HEV) vehicles may experience battery drain due to the air conditioning controller not shutting down completely while the vehicle is parked and turned off. TSBs 25-01-075H (for Sonata vehicles) & 25-01-076H (Sonata Hybrid vehicles) provides instructions to perform a software update for the ATCU (Air Temperature Control Unit).
Associated Products (3)Associated Documents - 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 (59)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+ 39 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: 11023040Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-049H TSB
- Date Added:
- September 9, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata Hybrid (DN8 HEV) vehicles equipped with Super Vision instrument cluster (12.3” wide) may have speedometers that display the incorrect speed. This bulletin provides instructions to perform a software update to resolve this concern.
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 - 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 (57)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+ 37 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 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 - 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 - February 15, 2025•Document ID: 11014444Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-BE-003H TSB
- Date Added:
- February 25, 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 reset the Connected Car Data Communication Unit (DCU) in Dealer Mode to resolve the connection.
Associated Products (9)Associated Documents - January 25, 2025•Document ID: 11013237Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-005H TSB
- Date Added:
- January 30, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain 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)Associated Documents - December 14, 2024•Document ID: 11011841Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 24-01-093H
- Date Added:
- December 14, 2024
- Manufacturer:
- HYUNDAI
SummaryCertain 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)Associated Documents