Hyundai Santa Cruz 2025–2026 — service campaign
Bulletin 25-01-079H DCS · NHTSA communication 11024812 · issued Oct 30, 2025
Service campaign
communication type
Electrical System
component
2025–2026
model years
2
vehicle entries
Official summary
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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.