Hyundai Tucson Service Bulletins
200 manufacturer communications on file.
- 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 - November 6, 2025•Document ID: 11025476Service Bulletin/Repair InstructionsEXTERIOR LIGHTING
- Mfr Comm. #:
- 25-BD-012H TSB
- Date Added:
- November 12, 2025
- Manufacturer:
- HYUNDAI
SummaryThis 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.
Associated Products (105)2026 Genesis G702026 Genesis G802026 Genesis G902026 Genesis GV702026 Genesis GV802026 Hyundai Ioniq 92026 Hyundai Kona2026 Hyundai Palisade2026 Hyundai Santa Cruz2026 Hyundai Santa Fe2026 Hyundai Sonata2026 Hyundai Tucson2026 Hyundai Venue2025 Genesis G702025 Genesis G802025 Genesis G902025 Genesis GV602025 Genesis GV702025 Genesis GV802025 Hyundai Elantra+ 85 moreAssociated Documents - October 29, 2025•Document ID: 11024811Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-060H DCS
- Date Added:
- November 4, 2025
- Manufacturer:
- HYUNDAI
SummaryHyundai Motor America is currently investigating an ongoing issue with software GDS event #1297. The matter is being investigated to ensure the software can be directed to the impacted VIN population. We will provide an update once the issue is resolved and the suspension is lifted.
Associated Products (1)Associated Documents - October 27, 2025•Document ID: 11024806Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- TDF/TDFA/TDFC DCS
- Date Added:
- November 3, 2025
- Manufacturer:
- HYUNDAI
SummaryHyundai Motor America is currently investigating an ongoing issue with software GDS event #1297. The matter is being investigated to ensure the software can be directed to the impacted VIN population. We will provide an update once the issue is resolved and the suspension is lifted.
Associated Products (1)Associated Documents - October 27, 2025•Document ID: 11024805Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-059H tsb
- Date Added:
- November 3, 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 - October 9, 2025•Document ID: 11024264Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-060H DCS
- Date Added:
- October 14, 2025
- Manufacturer:
- HYUNDAI
SummaryTechnical Service Bulletin (TSB) 25-01-060H for the Data Communication Network (DCU) software update related to GDS Event # 1297 is available TODAY effective 11:00 AM PST and the affected vehicle population (certain 2025 model year Hyundai Tucsons) has been reactivated.
Associated Products (1)Associated Documents - October 9, 2025•Document ID: 11024263Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-060H TSB
- Date Added:
- October 14, 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