{"nhtsa_id":11034027,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-23","date":"2026-06-17","document_id":"26-EE-007H TSB","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Some Palisade (LX2), Tucson (NX4), and Tucson Hybrid (NX4 HEV) vehicles may experience battery drain due to continuous operation of the cooling fan after vehicle ignition has been turned off, potentially resulting in a no-start condition. The continuous cooling fan operation is caused by a stuck relay in the engine room PCB block. This bulletin provides instructions to replace the engine room PCB block to ensure the proper operation of the cooling fan.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034027-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034027-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034027","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"PALISADE","year_from":2020,"year_to":2025,"match":"exact","vehicle_ids":["2020_hyundai_palisade","2021_hyundai_palisade","2022_hyundai_palisade","2023_hyundai_palisade","2024_hyundai_palisade","2025_hyundai_palisade"]},{"make":"HYUNDAI","model":"TUCSON","year_from":2022,"year_to":2026,"match":"exact","vehicle_ids":["2022_hyundai_tucson","2023_hyundai_tucson","2024_hyundai_tucson","2025_hyundai_tucson","2026_hyundai_tucson"]},{"make":"HYUNDAI","model":"TUCSON HYBRID","year_from":2022,"year_to":2026,"match":"base","vehicle_ids":["2022_hyundai_tucson","2023_hyundai_tucson","2024_hyundai_tucson","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":[]}