{"nhtsa_id":11035089,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-18","date":"2026-07-08","document_id":"PI2603Y_TSB","mfr_campaign":"PI2603Y","replaces":null,"component":"FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: BSA REPLACEMENT (PI2603Y) - This bulletin provides information related to the Technical Service Bulletin previously published under PI2603, titled “BMS Battery Diagnostic Logic Improvement.” If one or more of the Diagnostic Trouble Codes (DTCs) listed in the bulletin are present or stored after the Battery Management System (BMS) software upgrade has been performed per PI2603, follow the procedure outlined in this publication to replace the Battery System Assembly (BSA) on the applicable vehicle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035089-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035089-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035089","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":2021,"match":"base","vehicle_ids":["2020_kia_niro","2021_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":[]}