Certain Santa Cruz (NXT) vehicles may exhibit a Data Communication Unit (DCU) software error due to the...

Bulletin number

25-01-079H DCS (LA2)

Component

Electrical system

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 of 11/03/25.

Owners of these vehicles have filed 4 complaints in the electrical category.