Hyundai Tucson Service Bulletins (2025)

60 manufacturer communications on file.

• November 26, 2025•Document ID: 11025961

  Service Campaign
  ENGINE

  Mfr Comm. #:

  25-01-068H-1 DCS

  Date Added:

  December 2, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025961-0001.pdf↗
• November 26, 2025•Document ID: 11025960

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-061H-1 DCS

  Date Added:

  December 2, 2025

  Manufacturer:

  HYUNDAI

  Summary

  not 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)

  2026 Hyundai Tucson2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025960-0001.pdf↗
• November 26, 2025•Document ID: 11025959

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-061H-1 TSB

  Date Added:

  December 2, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2026 Hyundai Tucson2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025959-0001.pdf↗
• November 20, 2025•Document ID: 11025953

  Service Campaign
  ENGINE

  Mfr Comm. #:

  25-01-068H-1

  Date Added:

  December 2, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025953-0001.pdf↗
• November 19, 2025•Document ID: 11025649

  Service Campaign
  ENGINE

  Mfr Comm. #:

  25-01-083H TSB

  Date Added:

  November 20, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025649-0001.pdf↗
• November 19, 2025•Document ID: 11025650

  Service Campaign
  ENGINE

  Mfr Comm. #:

  25-01-083H DCS

  Date Added:

  November 20, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025650-0001.pdf↗
• November 13, 2025•Document ID: 11025592

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-057H-1 TSB

  Date Added:

  November 18, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025592-0001.pdf↗
• November 13, 2025•Document ID: 11025595

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TDF-TDFA-TDFB DCS

  Date Added:

  November 18, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025595-0001.pdf↗
• November 13, 2025•Document ID: 11025594

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-060H-1 TSB

  Date Added:

  November 18, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025594-0001.pdf↗
• November 13, 2025•Document ID: 11025593

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-059H-1 TSB

  Date Added:

  November 18, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11025593-0001.pdf↗
• November 6, 2025•Document ID: 11025476

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  25-BD-012H TSB

  Date Added:

  November 12, 2025

  Manufacturer:

  GENESIS

  Summary

  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.

  Associated Products (327)

  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+ 307 more
  Associated Documents

  • DownloadMC-11025476-0001.pdf↗
• October 29, 2025•Document ID: 11024811

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-060H DCS

  Date Added:

  November 4, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Hyundai 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11024811-0001.pdf↗
• October 27, 2025•Document ID: 11024804

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-057H TSB

  Date Added:

  November 3, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11024804-0001.pdf↗
• October 27, 2025•Document ID: 11024806

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TDF/TDFA/TDFC DCS

  Date Added:

  November 3, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Hyundai 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11024806-0001.pdf↗
• October 27, 2025•Document ID: 11024805

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-059H tsb

  Date Added:

  November 3, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11024805-0001.pdf↗
• October 9, 2025•Document ID: 11024264

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-060H DCS

  Date Added:

  October 14, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Technical 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11024264-0001.pdf↗
• October 9, 2025•Document ID: 11024263

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-01-060H TSB

  Date Added:

  October 14, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11024263-0001.pdf↗
• October 1, 2025•Document ID: 11023663

  Service Campaign
  POWER TRAIN

  Mfr Comm. #:

  25-01-068H TSB

  Date Added:

  October 3, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Certain 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 update the Powertrain Control Unit (PCU) software.

  Associated Products (1)

  2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11023663-0001.pdf↗
• September 30, 2025•Document ID: 11023692

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-BE-020H TSB

  Date Added:

  October 3, 2025

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system as described in this TSB.

  Associated Products (59)

  2026 Hyundai Venue2025 Hyundai Elantra2025 Hyundai Ioniq 5 N2025 Hyundai Ioniq 62025 Hyundai Kona2025 Hyundai Palisade2025 Hyundai Santa Cruz2025 Hyundai Santa Fe2025 Hyundai Sonata2025 Hyundai Tucson2025 Hyundai Venue2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Ioniq 52024 Hyundai Ioniq 62024 Hyundai Kona2024 Hyundai Palisade2024 Hyundai Santa Cruz2024 Hyundai Santa Fe2024 Hyundai Sonata+ 39 more
  Associated Documents

  • DownloadMC-11023692-0001.pdf↗
• September 12, 2025•Document ID: 11023121

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TDF /TDFA/TDFB/TDFC

  Date Added:

  September 15, 2025

  Manufacturer:

  HYUNDAI

  Summary

  Hyundai Motor America is currently investigating an ongoing auto mode update concern with software GDS event #1297. Some vehicles are not able to complete the update after multiple attempts and some are completing the update after multiple initial failed attempts. Technicians may experience consistent Data Communication Unit (DCU) software upgrade failures when attempting to update to the latest version. The matter is being investigated to address the update failures and recover any failed modules. We will provide an update once the issue is resolved and the suspension is lifted.

  Associated Products (2)

  2026 Hyundai Tucson2025 Hyundai Tucson
  Associated Documents

  • DownloadMC-11023121-0001.pdf↗