Service bulletins for the 2025 Hyundai SANTA CRUZ
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.
34 on file from NHTSA, as of 2026-10-19.
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Only bulletins with type: Service campaign are shown. Show all
| 26-01-035H TSB | 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. |
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| 25-01-079H-1 DCS | 2025-11-18. Service campaign. ELECTRICAL SYSTEM. Certain Santa Cruz (NXT) 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 Bulletin (TSB) 25-01-079H-1 provides instructions to perform a software update for the DCU module. |
| 25-01-079H-1 TSB | 2025-11-18. Service campaign. ELECTRICAL SYSTEM. Certain Santa Cruz (NXT) 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. |
| 25-01-079H TSB | 2025-11-04. Service campaign. ELECTRICAL SYSTEM. Certain Santa Cruz (NXT) 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. |
| 25-01-079H DCS | 2025-11-04. Service campaign. ELECTRICAL SYSTEM. Certain Santa Cruz (NXT) 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 Bulletin (TSB) 25-01-079H provides instructions to perform a software update for the DCU module. 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 11/03/25. |
| 9C3 OL | 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. |
| 25-01-052H DCS | 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. |
| 25-01-052H TSB | 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. |
| 25-01-052H DN | 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. The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards. |
| 25-01-071H/072H DCS | 2025-10-14. Service campaign. POWER TRAIN. Certain Santa Fe (MX5A) and Santa Cruz (NXT) vehicles equipped with 8-speed dual clutch transmissions (8DCT) may set one of the high pressure electric oil pump (HP EOP) DTCs listed below. Technical Service Bulletins (TSB) 25-01-071H (for Santa Fe vehicles) and 25-01-072H (for Santa Cruz vehicles) provide the service procedure to update the Transmission Control Unit (TCU) with improved logic to address these DTCs and enhance operation of the 8DCT. |
| 25-01-071H TSB | 2025-10-13. Service campaign. POWER TRAIN. Certain Santa Cruz (NXT) 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 these DTCs and enhance operation of the 8DCT. |
| 25-01-018H-1 TSB | 2025-05-27. 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. |
| 25-01-018H TSB | 2025-03-05. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.