Hyundai Tucson Service Bulletins
564 manufacturer communications on file.
- 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 (8)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 (8)Associated Documents - November 26, 2025•Document ID: 11025961Service CampaignENGINE
- Mfr Comm. #:
- 25-01-068H-1 DCS
- Date Added:
- December 2, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a condition where the Oil Pump Unit (OPU) prevents the Ready Lamp from turning on. Some vehicles may also display DTC U100787 (malfunction on CAN communication). Technical Service Bulletin (TSB) 25-01-068H-1 provides instructions to update the Powertrain Control Unit (PCU) software.
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 (6)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 (6)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 (6)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 20, 2025•Document ID: 11025953Service CampaignENGINE
- Mfr Comm. #:
- 25-01-068H-1
- Date Added:
- December 2, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a condition where the Oil Pump Unit (OPU) prevents the Ready Lamp from turning on. Some vehicles may also display DTC U100787 (malfunction on CAN communication). This bulletin provides instructions to perform a software update for the Powertrain Control Unit (PCU).
Associated Products (1)Associated Documents - November 19, 2025•Document ID: 11025650Service CampaignENGINE
- Mfr Comm. #:
- 25-01-083H DCS
- Date Added:
- November 20, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles equipped with the 1.6T-GDI Gamma II engine may set DTC P04DB00 (Crankcase Ventilation System Disconnected). Technical Service Bulletin (TSB) 25-01-083H provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition.
Associated Products (1)Associated Documents - November 19, 2025•Document ID: 11025649Service CampaignENGINE
- Mfr Comm. #:
- 25-01-083H TSB
- Date Added:
- November 20, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles equipped with the 1.6T-GDI Gamma II engine may set DTC P04DB00 (Crankcase Ventilation System Disconnected). This bulletin provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition.
Associated Products (1)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: 11025592Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-057H-1 TSB
- Date Added:
- November 18, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) 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: 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.
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- 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: 11024804Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-057H TSB
- Date Added:
- November 3, 2025
- Manufacturer:
- HYUNDAI
SummaryCertain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) 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 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