{"nhtsa_id":11033932,"type":"other","type_name":"Other","date_added":"2026-06-17","date":"2026-06-17","document_id":"PI2603_OWNR","mfr_campaign":"PI2603","replaces":null,"component":"ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM","mfr_system":null,"summary":"PRODUCT IMPROVEMENT CAMPAIGN: OWNER NOTIFICATION (PI2603) - This document is the owner notification advising that Kia is conducting a Product Improvement Campaign to update the battery management system (BMS) software to enhance battery diagnostic performance in certain 2020-2022 MY Niro EV vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033932-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033932-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033932","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"NIRO EV","year_from":2020,"year_to":2022,"match":"base","vehicle_ids":["2020_kia_niro","2021_kia_niro","2022_kia_niro"]}],"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":[]}