# Service bulletins for the 2025 Hyundai Santa Fe

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

44 bulletins from NHTSA, as of 2026-10-19.

- [26\-EM\-016H TSB](/bulletins/11038458.md), 2026-10-14, Service bulletin: ENGINE. Some 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.
- [26\-EM\-015H TSB](/bulletins/11038456.md), 2026-10-13, Service bulletin: ENGINE. Certain 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.
- [26\-BD\-005H TSB](/bulletins/11036636.md), 2026-09-02, Service bulletin: SEATS. Some Santa Fe Hybrid \(MX5A HEV\) vehicles may have walk\-in switches that are not fully secured. This bulletin provides instructions to trim the seat cover and replace the walk\-in switch with improved parts.
- [26\-BE\-026H TSB](/bulletins/11036624.md), 2026-09-02, Service bulletin: ELECTRICAL SYSTEM. Some Santa Fe \(MX5A\) and Santa Fe Hybrid \(MX5A HEV\) vehicles may exhibit a 12\-volt battery drain due to the passive entry feature of the Digital Key 2 premium causing repeated wakeup of the vehicle. This bulletin provides instructions to perform software updates for the Ultra\-Wide Band \(UWB\) and Body Domain Control \(BDC\) modules.
- [26\-BD\-008H TSB](/bulletins/11036617.md), 2026-09-02, Service bulletin: SEATS. Some Santa Fe \(MX5A\) and Santa Fe Hybrid \(MX5A HEV\) vehicles equipped with natural leather or Nappa leather seating surfaces may exhibit wrinkling on the first or second row seat cushions or seat backs, or tearing along the perforation holes due to the stiffness of the leather material. This bulletin provides instructions to replace the wrinkled or torn seat covers.
- [26\-BE\-015H TSB](/bulletins/11033837.md), 2026-06-16, Service bulletin: SEATS. Some Santa Fe \(MX5A\) and Santa Fe Hybrid \(MX5A HEV\) vehicles equipped with power seats with or without Integrated Memory System \(IMS\) may produce buzz, squeak, rattle noises when the driver’s front seat is adjusted forward or backwards due to friction within the motor’s tube. This bulletin provides instructions to remove the motor tube.
- [26\-GI\-002H TSB](/bulletins/11033710.md), 2026-06-06, Service bulletin: ELECTRICAL SYSTEM. This 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.
- [DTN DL](/bulletins/11032523.md), 2026-05-08, Other: AIR BAGS. The National Highway Traffic Safety Administration \(NHTSA\) has identified the presence of substandard and dangerous driver’s\-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. \(DTN\). These inflators were not supplied, approved, or authorized by the vehicle manufacturers and have primarily been found in vehicles that previously experienced a crash and underwent airbag replacement using non\-genuine parts. These dangerous inflators have ruptured during deployment, posing a serious risk of injury or death due to metal fragments entering the vehicle cabin. To date, Hyundai is aware of three people who have died while driving a Hyundai vehicle with one of these substandard replacement airbag inflators that deployed in what likely would have been a survivable crash. NHTSA has issued a public advisory urging vehicle owners and service professionals to have vehicles inspected if there is reason to believe that a non\-genuine replacement airbag may have been installed. Vehicles with salvage or rebuilt titles, prior airbag deployments, or unknown repair histories may present a higher risk. NHTSA strongly cautions against self\-inspection by vehicle owners and recommends inspection by trained technicians.
- [DTN DCS](/bulletins/11032522.md), 2026-05-08, Other: AIR BAGS. The National Highway Traffic Safety Administration \(NHTSA\) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. \(DTN\), that have been identified in U.S. vehicles following prior crashes, theft, or non‑certified airbag replacements. These inflators are not approved for use, may rupture during deployment, and have caused serious injuries and fatalities. Please see attached announcement, provided by NHTSA, for more details.
- [26\-01\-035H TSB](/bulletins/11031315.md), 2026-04-15, Service campaign: ELECTRICAL SYSTEM. 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 verify Bluelink Data Communication Unit \(DCU\) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
- [26\-BD\-001H TSB](/bulletins/11030084.md), 2026-03-16, Service bulletin: SEATS. Some Santa Fe \(MX5A\) and Santa Fe Hybrid \(MX5A HEV\) vehicles equipped with 2nd row captain’s chairs have an armrest cap that may detach. This bulletin provides the procedure to replace the armrest cap on the 2nd row captain’s chairs with a revised part.
- [26\-01\-016H\-1 TSB](/bulletins/11029944.md), 2026-03-11, Warranty extension: ELECTRICAL SYSTEM. Certain Santa Fe Hybrid \(MX5A HEV\) vehicles may experience a discharged battery condition due to the Fingerprint Module \(FPM\) not entering 'SLEEP' mode when the ignition is turned off. This bulletin provides instructions to perform a software update with revised logic for the FPM.
- [26\-01\-015H\-1 TSB](/bulletins/11029943.md), 2026-03-11, Warranty extension: ELECTRICAL SYSTEM. Certain Santa Fe \(MX5A\) vehicles may experience a discharged battery condition due to the Fingerprint Module \(FPM\) not entering 'SLEEP' mode when the ignition is turned off. This bulletin provides instructions to perform a software update with revised logic for the FPM.
- [26\-AT\-001H TSB](/bulletins/11029937.md), 2026-03-11, Service bulletin: POWER TRAIN. Some Santa Cruz \(NXT\), Santa Fe \(TMA, MX5A\), and Sonata \(DN8A\) models may require replacement of the 8\-speed wet dual clutch transmission \(8WDCT\) when the vehicle sets one of the high pressure electric oil pump \(HP EOP\) DTCs listed below. This bulletin provides instructions to replace the 8WDCT.
- [LA6 \& LA6A DCS](/bulletins/11028961.md), 2026-02-24, Service campaign: ELECTRICAL SYSTEM. Certain Santa Fe \(MX5A\) and Santa Fe Hybrid \(MX5A HEV\) vehicles may experience a discharged battery condition due to the Fingerprint Module \(FPM\) not entering 'SLEEP' mode when the ignition is turned off. Technical Service Bulletins \(TSBs\) 26\-01\-015H and 26\-01\-016H provide instructions to perform a software update with revised logic for the FPM. \*Over\-the\-Air \(OTA\): This update can also be conducted via OTA. The customer can complete on his/her own if he/she has an active subscription to Hyundai Bluelink. A visit to the dealership is not required. Deployment of the OTA to Bluelink customers is planned starting the week of 02/16/2026.
- [26\-01\-016H TSB](/bulletins/11028960.md), 2026-02-24, Service campaign: ELECTRICAL SYSTEM. Certain Santa Fe Hybrid \(MX5A HEV\) vehicles may experience a discharged battery condition due to the Fingerprint Module \(FPM\) not entering 'SLEEP' mode when the ignition is turned off. This bulletin provides instructions to perform a software update with revised logic for the FPM.
- [26\-01\-015H TSB](/bulletins/11028958.md), 2026-02-24, Service campaign: ELECTRICAL SYSTEM. Certain Santa Fe \(MX5A\) vehicles may experience a discharged battery condition due to the Fingerprint Module \(FPM\) not entering 'SLEEP' mode when the ignition is turned off. This bulletin provides instructions to perform a software update with revised logic for the FPM.
- [25\-01\-025H\-1 TSB](/bulletins/11025590.md), 2025-11-18, Service campaign: SEATS. Certain Santa Fe \(MX5A\) vehicles may experience battery drain and inoperative heated seat capacitive touch buttons due to incorrect ECU logic for the Seat Heater Unit – Front \(SHU\_FRT\). This bulletin provides instructions to perform a software update for the Seat Heater Unit – Front to correct the logic.
- [LA1/LA1A DCS](/bulletins/11025589.md), 2025-11-18, Service campaign: SEATS. Certain Santa Fe \(MX5A\) and Santa Fe Hybrid \(MX5A HEV\) vehicles may experience battery drain and inoperative heated seat capacitive touch buttons due to incorrect ECU logic for the Seat Heater Unit – Front \(SHU\_FRT\). Technical Service Bulletins \(TSBs\) 25\-01\-025H\-1 and 25\-01\-028H\-1 provides instructions to perform a software update for the Seat Heater Unit – Front to correct the logic. Over\-the\-Air \(OTA\): This update can also be conducted via OTA. The customer can complete on his/her own if he/she has 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 11/11/25.
- [25\-BD\-012H TSB](/bulletins/11025476.md), 2025-11-12, Service bulletin: EXTERIOR LIGHTING. This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp \(DRL\), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or during normal driving operation.
- [9C3 OL](/bulletins/11024690.md), 2025-10-31, Service campaign: ENGINE. Hyundai has become aware that some vehicles equipped with the 2.5 Turbo\-GDI Theta III engine may exhibit coolant seepage on the back side \(exhaust side\) of the engine caused by a crack in the cylinder block.
- [25\-01\-072H\-1 DCS](/bulletins/11024540.md), 2025-10-29, Service campaign: ENGINE. This is a follow\-up to a previous launch of Service Campaign TEJ. Updates include the following: \- A new GDS Event \#1328 for certain ECU part numbers ending in '820'/'830' \- Related ROM ID \& Manual Mode Password Information.
- [25\-01\-052H DCS](/bulletins/11024539.md), 2025-10-29, Service campaign: ENGINE. Certain 2025MY Santa Cruz \(NXT\) and Santa Fe \(MX5A\) vehicles equipped with the 2.5T\-GDI Theta III engine may exhibit coolant residue on the back side \(exhaust side\) of the engine caused by a crack in the cylinder block. Follow the procedure outlined in Technical Service Bulletin \(TSB\) 25\-01\-052H to replace the engine assembly on affected vehicles.
- [25\-01\-072H\-1 TSB](/bulletins/11024511.md), 2025-10-28, Service campaign: ENGINE. Certain Santa Fe \(MX5A\) vehicles equipped with 8\-speed dual clutch transmissions \(8DCT\) may set one of the high pressure electric oil pump \(HP EOP\) DTCs listed below. This bulletin provides the service procedure to update the Transmission Control Unit \(TCU\) with improved logic to address the DTCs above and enhance operation of the 8DCT.
- [25\-01\-052H TSB](/bulletins/11024509.md), 2025-10-28, Service campaign: ENGINE. Certain 2025MY Santa Cruz \(NXT\) and Santa Fe \(MX5A\) vehicles equipped with the 2.5T\-GDI Theta III engine may exhibit coolant residue on the back side \(exhaust side\) of the engine caused by a crack in the cylinder block. Follow the procedure outlined in this bulletin to replace the engine sub\-assembly on affected vehicles.

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