Hyundai Tucson Service Bulletins (2026)
22 manufacturer communications on file.
- September 12, 2025•Document ID: 11023121Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- TDF /TDFA/TDFB/TDFC
- Date Added:
- September 15, 2025
- Manufacturer:
- HYUNDAI
SummaryHyundai 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)Associated Documents - September 12, 2025•Document ID: 11023113Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-01-061H TSB
- Date Added:
- September 13, 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