{"nhtsa_id":11032590,"type":"warranty_extension","type_name":"Warranty extension","date_added":"2026-05-12","date":"2026-05-05","document_id":"26-01-041H TSB","mfr_campaign":"LA21","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Certain Tucson (NX4A) vehicles may experience Over-the-Air (OTA) update failures due to outdated Central Communication Unit (CCU) software. This bulletin provides instructions to perform a software update for the CCU.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032590-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032590-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032590","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"TUCSON","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_hyundai_tucson","2026_hyundai_tucson"]}],"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":[]}