Porsche 718 2002–2026 — technical service bulletin
Bulletin No. D777 · NHTSA communication 11032276 · issued Apr 10, 2026
Technical service bulletin
communication type
Electrical System
component
2002–2026
model years
60
vehicle entries
Official summary
Parts information for parts withdrawal involving the high-voltage battery. The vehicles affected are ones that use the part numbers mentioned. 9J1915099AS, 9J1915100AS, and 9J1915100AQ
Vehicles covered
- 2017 Porsche 718
- 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
- 2025 Porsche 718 Boxster
- 2026 Porsche 718 Boxster
- 2021 Porsche 718 Boxster GTS
- 2022 Porsche 718 Boxster GTS
- 2023 Porsche 718 Boxster GTS
- 2024 Porsche 718 Boxster GTS
- 2017 Porsche 718 Boxster S
- 2018 Porsche 718 Boxster S
- 2019 Porsche 718 Boxster S
- 2020 Porsche 718 Boxster S
- 2021 Porsche 718 Boxster S
- 2022 Porsche 718 Boxster S
- 2023 Porsche 718 Boxster S
- 2024 Porsche 718 Boxster S
- 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
- 2026 Porsche 718 Cayman
- 2023 Porsche 718 Cayman GT4
- 2024 Porsche 718 Cayman GT4
- 2024 Porsche 718 Cayman GT4 RS
- 2022 Porsche 718 Cayman GTS
- 2023 Porsche 718 Cayman GTS
- 2024 Porsche 718 Cayman GTS
- 2017 Porsche 718 Cayman S
- 2018 Porsche 718 Cayman S
- 2019 Porsche 718 Cayman S
- 2020 Porsche 718 Cayman S
- 2021 Porsche 718 Cayman S
- 2022 Porsche 718 Cayman S
- 2023 Porsche 718 Cayman S
- 2018 Porsche 718 Spyder
- 2019 Porsche 718 Spyder
- 2020 Porsche 718 Spyder
- 2021 Porsche 718 Spyder
- 2022 Porsche 718 Spyder
- 2023 Porsche 718 Spyder
- 2024 Porsche 718 Spyder
- 2025 Porsche 718 Spyder
- 2026 Porsche 718 Spyder
- 2024 Porsche 718 Spyder RS
- 2002 Porsche 911
- 2003 Porsche 911
- 2004 Porsche 911
- 2005 Porsche 911
- 2012 Porsche 911
- 2013 Porsche 911
- 2014 Porsche 911
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.