{"nhtsa_id":11028370,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-05","date":"2026-01-05","document_id":"No. 103-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Technical information for a Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell Module; No Mixed Installation Permitted: Observe Specified Approach","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028370-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028370-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028370","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"PANAMERA 4 E-HYBRID","year_from":2017,"year_to":2024,"match":"base","vehicle_ids":["2017_porsche_panamera","2018_porsche_panamera","2019_porsche_panamera","2020_porsche_panamera","2021_porsche_panamera","2022_porsche_panamera","2023_porsche_panamera","2024_porsche_panamera"]}],"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":[]}