Hyundai Sonata Service Bulletins
1,006 manufacturer communications on file.
- October 27, 2026•Document ID: 11038798Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 26-GI-003H
- Date Added:
- October 30, 2026
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information related to the navigation and head unit software changes introduced in the 2026 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2026 2nd Navigation Map and Software Update Key Improvements and Additional Improvements tables in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB.
Associated Products (64)2026 Hyundai Ioniq 5 N2026 Hyundai Ioniq 92026 Hyundai Kona2026 Hyundai Palisade2026 Hyundai Santa Cruz2026 Hyundai Santa Fe2026 Hyundai Sonata2026 Hyundai Tucson2025 Hyundai Elantra2025 Hyundai Elantra N2025 Hyundai Ioniq 5 N2025 Hyundai Ioniq 62025 Hyundai Kona2025 Hyundai Palisade2025 Hyundai Santa Cruz2025 Hyundai Santa Fe2025 Hyundai Sonata2025 Hyundai Tucson2025 Hyundai Venue2024 Hyundai Elantra+ 44 moreAssociated Documents - October 15, 2026•Document ID: 11038722Service Bulletin/Repair InstructionsBACK OVER PREVENTION: WARNINGS
- Mfr Comm. #:
- 26-GI-004H
- Date Added:
- October 28, 2026
- Manufacturer:
- HYUNDAI
SummarySome Hyundai vehicles may be equipped with a parking distance warning (PDW) sensor(s) that may trigger various DTCs and display warning messages on the instrument cluster, resulting in the PDW sensor(s) failing to detect nearby objects or triggering multiple false alarms. This condition may be a result of external damage to the PDW sensor membrane or sensor cover from rock chips or road debris, a collision, or previous vehicle repairs or modifications.
Associated Products (183)2027 Hyundai Ioniq 52027 Hyundai Kona2027 Hyundai Palisade2027 Hyundai Santa Fe2026 Hyundai Elantra2026 Hyundai Elantra N2026 Hyundai Ioniq 52026 Hyundai Ioniq 5 N2026 Hyundai Ioniq 92026 Hyundai Kona2026 Hyundai Palisade2026 Hyundai Santa Fe2026 Hyundai Sonata2026 Hyundai Tucson2025 Hyundai Elantra2025 Hyundai Elantra N2025 Hyundai Ioniq 52025 Hyundai Ioniq 5 N2025 Hyundai Ioniq 62025 Hyundai Kona+ 163 moreAssociated Documents - October 8, 2026•Document ID: 11038458Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 26-EM-016H TSB
- Date Added:
- October 14, 2026
- Manufacturer:
- HYUNDAI
SummarySome vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin outlines the combustion chamber cleaning procedure for vehicles diagnosed with this condition. All internal combustion engines consume some engine oil during normal operation, depending on driving conditions and mileage, and this procedure should only be performed when deemed necessary based on inspection and diagnosis of the vehicle as outlined in TSB 26-EM-015H, Engine Oil Consumption – Inspection & Repair Guidelines, or the latest revision.
Associated Products (174)2027 Hyundai Kona2027 Hyundai Santa Fe2026 Hyundai Elantra2026 Hyundai Elantra N2026 Hyundai Kona2026 Hyundai Santa Fe2026 Hyundai Sonata2026 Hyundai Tucson2025 Hyundai Elantra2025 Hyundai Elantra N2025 Hyundai Kona2025 Hyundai Santa Fe2025 Hyundai Sonata2025 Hyundai Tucson2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Kona2024 Hyundai Santa Fe2024 Hyundai Sonata2024 Hyundai Tucson+ 154 moreAssociated Documents - October 7, 2026•Document ID: 11038456Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 26-EM-015H TSB
- Date Added:
- October 13, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin provides the inspection and repair procedures for vehicles exhibiting this condition. All internal combustion engines consume engine oil as part of normal engine operation. Oil consumption rates may vary based on mileage, operating conditions, driving habits, and maintenance history. Hyundai recommends following the prescribed maintenance schedule and periodically checking the engine oil level using the dipstick to maintain proper engine oil level.
Associated Products (252)2027 Hyundai Kona2027 Hyundai Palisade2027 Hyundai Santa Fe2026 Hyundai Elantra2026 Hyundai Elantra N2026 Hyundai Kona2026 Hyundai Palisade2026 Hyundai Santa Cruz2026 Hyundai Santa Fe2026 Hyundai Sonata2026 Hyundai Tucson2026 Hyundai Venue2025 Hyundai Elantra2025 Hyundai Elantra N2025 Hyundai Kona2025 Hyundai Palisade2025 Hyundai Santa Cruz2025 Hyundai Santa Fe2025 Hyundai Sonata2025 Hyundai Tucson+ 232 moreAssociated Documents - August 26, 2026•Document ID: 11036632Warranty Program/ExtensionAIR BAGS
- Mfr Comm. #:
- 26-BE-022H DCS
- Date Added:
- September 2, 2026
- Manufacturer:
- HYUNDAI
SummaryThe warranty coverage for the clock spring has been extended to 15 years with unlimited mileage from the date of original retail delivery or date of first use. Refer to the warranty and service parts information outlined in this bulletin whenever clock spring replacement is required.
Associated Products (8)Associated Documents - August 26, 2026•Document ID: 11037233Warranty Program/ExtensionUNKNOWN OR OTHER
- Mfr Comm. #:
- Z05 OL
- Date Added:
- September 9, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain vehicles may exhibit excessive paint peeling or bubbling of the primer/paint film on the exterior metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. This warranty extension only applies to factory-applied paint and does not cover collision-related paint repairs or vehicles with a salvaged title. Hyundai is extending the warranty coverage for certain white paint colors under these conditions from 3 years and 36,000 miles, to 10 years with unlimited miles from the date of original retail delivery or date of first use, and is valid for original and subsequent owners.
Associated Products (24)2023 Hyundai Palisade2023 Hyundai Santa Fe2022 Hyundai Palisade2022 Hyundai Santa Fe2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Tucson2020 Hyundai Palisade2020 Hyundai Tucson2019 Hyundai Santa Fe XL2019 Hyundai Sonata2019 Hyundai Tucson2018 Hyundai Elantra2018 Hyundai Santa Fe Sport2018 Hyundai Sonata2018 Hyundai Tucson2017 Hyundai Elantra2017 Hyundai Santa Fe Sport2017 Hyundai Sonata2017 Hyundai Tucson+ 4 moreAssociated Documents - August 25, 2026•Document ID: 11037231Warranty Program/ExtensionAIR BAGS
- Mfr Comm. #:
- 26-BE-022H DN
- Date Added:
- September 9, 2026
- Manufacturer:
- HYUNDAI
SummaryThe warranty coverage for the clock spring has been extended to 15 years with unlimited mileage from the date of original retail delivery or date of first use for original & subsequent owners.
Associated Products (8)Associated Documents - August 25, 2026•Document ID: 11037230Warranty Program/ExtensionAIR BAGS
- Mfr Comm. #:
- 26-BE-022H TSB
- Date Added:
- September 9, 2026
- Manufacturer:
- HYUNDAI
SummaryThe warranty coverage for the clock spring has been extended to 15 years with unlimited mileage from the date of original retail delivery or date of first use. Refer to the warranty and service parts information outlined in this bulletin whenever clock spring replacement is required.
Associated Products (8)Associated Documents - July 27, 2026•Document ID: 11036095Warranty Program/ExtensionPOWER TRAIN
- Mfr Comm. #:
- 26-01-060H TSB
- Date Added:
- August 11, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) vehicles may exhibit a transmission oil leak at the bottom of the valve body cover due to a loose oil level plug that could potentially lead to a total failure of the automatic transmission. This bulletin provides instructions to inspect the oil level plug and transmission oil level and, if necessary, replace the automatic transmission.
Associated Products (2)Associated Documents - July 27, 2026•Document ID: 11036093Warranty Program/ExtensionPOWER TRAIN
- Mfr Comm. #:
- 26-01-060H WebDCS
- Date Added:
- August 11, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) vehicles may exhibit a transmission oil leak at the bottom of the valve body cover due to a loose oil level plug that could potentially lead to a total failure of the automatic transmission. Technical Service Bulletin (TSB) 26-01-060H instructions to inspect the oil level plug and transmission oil level and, if necessary, replace the automatic transmission.
Associated Products (2)Associated Documents - July 21, 2026•Document ID: 11035241Warranty Program/ExtensionSTRUCTURE:BODY
- Mfr Comm. #:
- 26-01-057H DCS
- Date Added:
- July 28, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain 2026MY Sonata (DN8) and 2026MY Sonata Hybrid (DN8 HEV) vehicles may exhibit a fuel filler door that is difficult to open due to the push-type opener mechanism. Technical Bulletin (TSB) 26-01-057H provides instructions to inspect the fuel filler door push opener and, if necessary, replace the component to restore proper operation.
Associated Products (1)Associated Documents - July 17, 2026•Document ID: 11035144Warranty Program/ExtensionSTRUCTURE:BODY
- Mfr Comm. #:
- 26-01-057H TSB
- Date Added:
- July 21, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) and Sonata Hybrid (DN8 HEV) vehicles may exhibit a fuel filler door that is difficult to open due to the push-type opener mechanism. This bulletin provides instructions to inspect the fuel filler door push opener and, if necessary, replace the component to restore proper operation.
Associated Products (1)Associated Documents - July 14, 2026•Document ID: 11035142Warranty Program/ExtensionELECTRICAL SYSTEM
- Mfr Comm. #:
- LA29-LA30 DCS
- Date Added:
- July 21, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain 2024-2026MY Sonata (DN8) and 2024-2026MY Sonata Hybrid (DN8 HEV) vehicles may exhibit intermittent battery discharge condition due to the air conditioning controller not fully powering down after the vehicle is turned off and parked. Technical Service Bulletins (TSB) 26-01-051H & 26-01-052H provide the procedure to update the ATCU (Air Temperature Control Unit) software; the revised logic improves controller shutdown to prevent battery drain and corrects a condition where the HVAC control display may appear blank when climate remote start is activated via Bluelink. Over-the-Air (OTA): This update can also be conducted via OTA. Customers can complete on their own if they have an active subscription to Hyundai Bluelink. A visit to the dealership is not required. Deployment of the OTA to Bluelink customers is planned to start the week of 07/13/26.
Associated Products (3)Associated Documents - July 13, 2026•Document ID: 11035141Warranty Program/ExtensionELECTRICAL SYSTEM
- Mfr Comm. #:
- 26-01-052H TSB
- Date Added:
- July 21, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata Hybrid (DN8 HEV) vehicles may exhibit intermittent battery discharge conditions due to the air conditioning controller not fully powering down after the vehicle is turned off and parked. This bulletin provides the procedure to update the Air Temperature Control Unit (ATCU) software; the revised logic improves controller shutdown to prevent battery drain and corrects a condition where the HVAC control display may appear blank when climate remote start is activated via Bluelink.
Associated Products (3)Associated Documents - July 13, 2026•Document ID: 11035140Warranty Program/ExtensionELECTRICAL SYSTEM
- Mfr Comm. #:
- 7/13/2026 TSB
- Date Added:
- July 21, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Sonata (DN8) vehicles may exhibit intermittent battery discharge condition due to the air conditioning controller not fully powering down after the vehicle is turned off and parked. This bulletin provides the procedure to update the ATCU (Air Temperature Control Unit) software; the revised logic improves controller shutdown to prevent battery drain and corrects a condition where the HVAC control display may appear blank when climate remote start is activated via Bluelink.
Associated Products (3)Associated Documents - June 5, 2026•Document ID: 11033840Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 26-AT-005H TSB
- Date Added:
- June 16, 2026
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information related to a Transmission Control Unit (TCU) software update for some vehicles equipped with an 8-speed wet dual clutch transmission (8WDCT). The software update revises the touch point learning variation, improving drivability and judder symptoms. Some 8WDCTs (indicated by a new part number) received an updated clutch spring. The correct TCU software update must be matched with the correct corresponding 8WDCT hardware, otherwise, drivability concerns may occur. This service procedure should be performed prior to any 8WDCT replacements done for drivability/judder concerns.
Associated Products (14)Associated Documents - June 3, 2026•Document ID: 11033838Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- 26-FL-002H TSB
- Date Added:
- June 16, 2026
- Manufacturer:
- HYUNDAI
SummarySome Sonata Hybrid (DN8 HEV) vehicles may display a Check Engine light and store one or more of the DTCs listed below due to an abnormal air-fuel ratio in a specific cylinder. This bulletin provides instructions to update the Engine Control Module (ECM) to resolve the air-fuel ratio logic.
Associated Products (3)Associated Documents - May 27, 2026•Document ID: 11033710Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 26-GI-002H TSB
- Date Added:
- June 6, 2026
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2026 1st Navigation Map and Software Update Key Improvements and Additional Improvements tables in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB.
Associated Products (35)2026 Hyundai Ioniq 5 N2026 Hyundai Tucson2025 Hyundai Elantra2025 Hyundai Elantra N2025 Hyundai Ioniq 52025 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 Cruz+ 15 moreAssociated Documents - May 21, 2026•Document ID: 11033700Service CampaignENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 26-01-013H-2 DN
- Date Added:
- June 6, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.
Associated Products (13)Associated Documents - May 21, 2026•Document ID: 11033699Service CampaignELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 26-01-013H-2 TSB
- Date Added:
- June 6, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides instructions for updating the Engine Control Module (ECM) to address this condition.
Associated Products (13)Associated Documents