{"nhtsa_id":11038466,"type":"warranty_extension","type_name":"Warranty extension","date_added":"2026-10-14","date":"2026-10-13","document_id":"26-01-082H DCS","mfr_campaign":"LA42","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Certain IONIQ 5 (NEA EV) vehicles may experience Malfunction Indicator Lamp (MIL) illumination and false battery overtemperature fault diagnosis caused by water ingress into the high-voltage battery system. This condition may cause unnecessary fail-safe activation, potentially resulting in reduced vehicle performance or limited vehicle operation if the vehicle is continually driven.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038466-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038466-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038466","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"IONIQ 5","year_from":2025,"year_to":2027,"match":"exact","vehicle_ids":["2025_hyundai_ioniq-5","2026_hyundai_ioniq-5","2027_hyundai_ioniq-5"]}],"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":[]}