{"nhtsa_id":10245264,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-12-05","date":"2023-11-08","document_id":"TSB_ELE318","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BMS SOFTWARE LOGIC IMPROVEMENT FOR DTC P1BB2 (SA553) - This bulletin provides information to upgrade the Battery Management System (BMS) software logic on certain 2023-2024MY Niro HEV (SG2 HEV) vehicles produced from June 21, 2022 through February 6, 2023, and 2023-2024MY Sportage HEV (NQ5 HEV) vehicles produced from February 15, 2022 to October 28, 2023, which may exhibit a “Check Hybrid System” message displayed on the instrument cluster with DTC P1BB2 stored. This condition may occur when the vehicle is exposed to high heat/hot weather environments.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10245264-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10245264-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10245264","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P1BB2"],"topics":[],"vehicles":[{"make":"KIA","model":"NIRO","year_from":2023,"year_to":2024,"match":"exact","vehicle_ids":["2023_kia_niro","2024_kia_niro"]},{"make":"KIA","model":"SPORTAGE HYBRID","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_kia_sportage","2024_kia_sportage"]}],"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":[]}