Hyundai Tucson Service Bulletins
206 manufacturer communications on file.
- February 6, 2026•Document ID: 11028670Service CampaignENGINE
- Mfr Comm. #:
- 26-01-013H DN
- Date Added:
- February 10, 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.
Associated Products (1)Associated Documents - February 6, 2026•Document ID: 11028669Service CampaignENGINE
- Mfr Comm. #:
- 26-01-013H TSB
- Date Added:
- February 10, 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 (1)Associated Documents - February 5, 2026•Document ID: 11028667Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 26-EM-004H TSB
- Date Added:
- February 10, 2026
- Manufacturer:
- HYUNDAI
SummarySome Tucson (NX4, NX4A) vehicles may have DTC P218100, P2181F0, and/or P2181F1 (Cooling System Performance) set in the Electronic Control Unit (ECU), resulting in an illuminated Check Engine warning lamp. This TSB provides instructions to replace the Integrated Thermal Management (ITM) module and update both the Engine Control Module (ECM) and Transmission Control Module (TCM), if applicable. Follow the flowchart in this bulletin to update the appropriate modules.
Associated Products (2)Associated Documents - January 7, 2026•Document ID: 11027589Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- 26-FL-001H TSB
- Date Added:
- January 13, 2026
- Manufacturer:
- HYUNDAI
SummarySome vehicles equipped with a 2.5L GDI Theta III engine (non-Turbo) may exhibit one or more misfire DTCs due to the GDI fuel 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)Associated Documents - December 19, 2025•Document ID: 11026704OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- P33 OL
- Date Added:
- December 19, 2025
- Manufacturer:
- HYUNDAI
SummaryIn response to this trend, we engineered a software upgrade that addresses the social media theft method and made it available to owners of eligible models free of charge at authorized Hyundai dealers since early 2023. In addition to the anti-theft software, we’ve developed a new zinc-reinforced ignition cylinder protector hardware upgrade that can be installed at the ignition cylinder location to provide additional protection against the social media theft method. Because your Hyundai vehicle with the VIN listed above (“Subject Vehicle”) was not factory-equipped with an engine immobilizer and was previously eligible for the software upgrade, you are now eligible until March 31, 2027 to have the ignition cylinder protector installed — if you request it — at no cost to you through an authorized Hyundai dealership.
Associated Products (13)Associated Documents - December 15, 2025•Document ID: 11027035OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-089H DCS
- Date Added:
- January 6, 2026
- Manufacturer:
- HYUNDAI
SummaryUpon customer's request ONLY, the Technical Service Bulletin (TSB) 25-01-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows. This repair procedure is being provided in addition to the previous Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1).
Associated Products (13)Associated Documents - December 15, 2025•Document ID: 11027034OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-089H DN
- Date Added:
- January 6, 2026
- Manufacturer:
- HYUNDAI
SummaryIn addition to the Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1), a zinc reinforced ignition cylinder protector hardware upgrade is being made available to customers upon request. This supplemental security measure is to be installed at the ignition switch location and provides additional protection against the social media theft method. Vehicles not equipped with an immobilizer during production at the factory are eligible. The repair procedure shall be performed and claimed upon customer request only. Any future repairs to these vehicles in which an installed ignition cylinder protector impacts required parts and/or labor, shall be covered by HMA. Please see TSB 25-01-089H for details.
Associated Products (13)Associated Documents - December 15, 2025•Document ID: 11027033OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-089H TSB
- Date Added:
- January 6, 2026
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows.
Associated Products (13)Associated Documents - December 15, 2025•Document ID: 11027008Service CampaignENGINE
- Mfr Comm. #:
- 25-01-087H-1 DCS
- Date Added:
- January 5, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. Technical Service Bulletin (TSB) 25-01-087H-1 provides instructions for updating the Engine Control Module (ECM) to address this condition.
Associated Products (1)Associated Documents - December 15, 2025•Document ID: 11027005Service CampaignENGINE
- Mfr Comm. #:
- 25-01-087H-1 TSB
- Date Added:
- January 5, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA), 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 (1)Associated Documents - December 15, 2025•Document ID: 11027002Service CampaignENGINE
- Mfr Comm. #:
- 25-01-087H-1 DN
- Date Added:
- January 5, 2026
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA), 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 (1)Associated Documents - November 26, 2025•Document ID: 11025965Service CampaignENGINE
- Mfr Comm. #:
- 25-01-087H DCS
- Date Added:
- December 2, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. Technical Service Bulletin (TSB) 25-01-087H provides instructions for updating the Engine Control Module (ECM) to address this condition.
Associated Products (1)Associated Documents - November 26, 2025•Document ID: 11025964Service CampaignENGINE
- Mfr Comm. #:
- 25-01-087H DN
- Date Added:
- December 2, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions.
Associated Products (1)Associated Documents - November 26, 2025•Document ID: 11025963Service CampaignENGINE
- Mfr Comm. #:
- 25-01-087H DCS
- Date Added:
- December 2, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Santa Fe (TMA), 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 (1)Associated Documents - November 26, 2025•Document ID: 11025960Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-061H-1 DCS
- Date Added:
- December 2, 2025
- Manufacturer:
- HYUNDAI
Summarynot being implemented. The DCU module may shut down telematics services after one year. TSB 25-01-061H-1 provides instructions to perform a software update for the DCU module.
Associated Products (2)Associated Documents - November 26, 2025•Document ID: 11025959Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-061H-1 TSB
- Date Added:
- December 2, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson (NX4A) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
Associated Products (2)Associated Documents - November 14, 2025•Document ID: 11025596Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- 25-BE-021H TSB
- Date Added:
- November 18, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson (NX4, NX4A) and Tucson Hybrid (NX4 HEV) vehicles may exhibit an improper fuel filler door opening or closing condition due to an inoperative fuel filler door release actuator. This bulletin provides instructions to replace the fuel filler door release actuator.
Associated Products (3)Associated Documents - November 13, 2025•Document ID: 11025595Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- TDF-TDFA-TDFB DCS
- Date Added:
- November 18, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson Hybrid (NX4 HEV), Tucson Plug-in Hybrid (NX4 PHEV), Tucson (NX4), and Tucson (NX4M) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. Technical Service Bulletins (TSBs) 25-01-057H-1, 25-01-059H-1 & 25-01-060H-1 provide instructions to perform a software update for the DCU module. 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.
Associated Products (1)Associated Documents - November 13, 2025•Document ID: 11025594Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-060H-1 TSB
- Date Added:
- November 18, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson (NX4M) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
Associated Products (1)Associated Documents - November 13, 2025•Document ID: 11025593Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-059H-1 TSB
- Date Added:
- November 18, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson (NX4) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
Associated Products (1)Associated Documents