{"nhtsa_id":11033658,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-06-05","date":"2026-05-07","document_id":"WTA8","mfr_campaign":"WTA8","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Porsche intranet posting with information on WTA8 Workshop Campaign - Replace High- Voltage Battery Control Unit","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033658-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033658-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033658","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE E-HYBRID","year_from":2019,"year_to":2023,"match":"base","vehicle_ids":["2019_porsche_cayenne","2020_porsche_cayenne","2021_porsche_cayenne","2022_porsche_cayenne","2023_porsche_cayenne"]},{"make":"PORSCHE","model":"PANAMERA 4 E-HYBRID","year_from":2017,"year_to":2023,"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"]},{"make":"PORSCHE","model":"PANAMERA E-HYBRID","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_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":[]}