{"nhtsa_id":11023041,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-09-09","date":"2025-09-04","document_id":"TDQ/TDQA WebDCS","mfr_campaign":"TDQ/TDQA","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Hyundai Motor America is currently investigating an ongoing auto mode update concern with software GDS event #1243. Some vehicles are not being able to complete the update after multiple attempts. Technicians may experience consistent cluster speedometer software upgrade failures when attempting to update to the latest version. A revised version of the software is currently in development 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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023041-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023041-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023041","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SONATA","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_hyundai_sonata","2025_hyundai_sonata"]},{"make":"HYUNDAI","model":"SONATA HYBRID","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_hyundai_sonata","2025_hyundai_sonata"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}