{"nhtsa_id":11028580,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-06","date":"2026-01-29","document_id":"No. 60-12-3","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Technical information for Important Information for Maintaining, Diagnosing and Checking the (AGM) Battery","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028580-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028580-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028580","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"718 BOXSTER","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"718 BOXSTER","year_from":2017,"year_to":2025,"match":"exact","vehicle_ids":["2017_porsche_718-boxster","2018_porsche_718-boxster","2019_porsche_718-boxster","2020_porsche_718-boxster","2021_porsche_718-boxster","2022_porsche_718-boxster","2023_porsche_718-boxster","2024_porsche_718-boxster","2025_porsche_718-boxster"]},{"make":"PORSCHE","model":"718 BOXSTER","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"718 CAYMAN","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"718 CAYMAN","year_from":2017,"year_to":2024,"match":"exact","vehicle_ids":["2017_porsche_718-cayman","2018_porsche_718-cayman","2019_porsche_718-cayman","2020_porsche_718-cayman","2021_porsche_718-cayman","2022_porsche_718-cayman","2023_porsche_718-cayman","2024_porsche_718-cayman"]},{"make":"PORSCHE","model":"718 CAYMAN","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"911","year_from":2012,"year_to":2026,"match":"exact","vehicle_ids":["2012_porsche_911","2013_porsche_911","2014_porsche_911","2015_porsche_911","2016_porsche_911","2017_porsche_911","2018_porsche_911","2019_porsche_911","2020_porsche_911","2021_porsche_911","2022_porsche_911","2023_porsche_911","2024_porsche_911","2025_porsche_911","2026_porsche_911"]},{"make":"PORSCHE","model":"BOXSTER","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_porsche_boxster","2013_porsche_boxster","2014_porsche_boxster","2015_porsche_boxster"]},{"make":"PORSCHE","model":"BOXSTER S","year_from":2012,"year_to":2012,"match":"base","vehicle_ids":["2012_porsche_boxster"]},{"make":"PORSCHE","model":"CAYMAN","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_porsche_cayman","2013_porsche_cayman","2014_porsche_cayman","2015_porsche_cayman"]},{"make":"PORSCHE","model":"CAYMAN","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"redundant CAYMAN","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]}],"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":[]}