Porsche 911 2018–2026 — technical service bulletin
Bulletin No. 11-25 · NHTSA communication 11017913 · issued Apr 11, 2025
Technical service bulletin
communication type
Electrical System
component
2018–2026
model years
60
vehicle entries
Official summary
Technical information for Various Error Messages regarding Driver Assistance Systems in the Instrument Cluster / Passive Fault Memory Entry "C12D5FA" in the Driver Assistance System Control Unit
Vehicles covered
- 2018 Porsche 911
- 2019 Porsche 911
- 2020 Porsche 911
- 2021 Porsche 911
- 2022 Porsche 911
- 2023 Porsche 911
- 2024 Porsche 911
- 2025 Porsche 911
- 2022 Porsche 911 4S
- 2020 Porsche 911 Carrera
- 2021 Porsche 911 Carrera
- 2022 Porsche 911 Carrera
- 2023 Porsche 911 Carrera
- 2024 Porsche 911 Carrera
- 2025 Porsche 911 Carrera
- 2023 Porsche 911 Carrera 4
- 2022 Porsche 911 Carrera 4 GTS
- 2023 Porsche 911 Carrera 4 GTS
- 2023 Porsche 911 Carrera 4S
- 2022 Porsche 911 Carrera GTS
- 2023 Porsche 911 Carrera GTS
- 2024 Porsche 911 Carrera GTS
- 2018 Porsche 911 Carrera S
- 2019 Porsche 911 Carrera S
- 2020 Porsche 911 Carrera S
- 2021 Porsche 911 Carrera S
- 2023 Porsche 911 Carrera S
- 2023 Porsche 911 Carrera T
- 2024 Porsche 911 Carrera T
- 2023 Porsche 911 Dakar
- 2024 Porsche 911 Dakar
- 2019 Porsche 911 GT2
- 2018 Porsche 911 GT2 RS
- 2019 Porsche 911 GT2 RS
- 2018 Porsche 911 GT3
- 2019 Porsche 911 GT3
- 2021 Porsche 911 GT3
- 2022 Porsche 911 GT3
- 2023 Porsche 911 GT3
- 2024 Porsche 911 GT3
- 2025 Porsche 911 GT3
- 2019 Porsche 911 GT3 RS
- 2023 Porsche 911 GT3 RS
- 2024 Porsche 911 GT3 RS
- 2022 Porsche 911 GT3 Touring
- 2023 Porsche 911 GT3 Touring
- 2018 Porsche 911 Targa 4
- 2019 Porsche 911 Targa 4
- 2020 Porsche 911 Targa 4
- 2021 Porsche 911 Targa 4
- 2023 Porsche 911 Targa 4
- 2023 Porsche 911 Targa 4S
- 2023 Porsche 911 Targa GTS
- 2018 Porsche 911 Turbo
- 2019 Porsche 911 Turbo
- 2020 Porsche 911 Turbo
- 2021 Porsche 911 Turbo
- 2022 Porsche 911 Turbo
- 2023 Porsche 911 Turbo
- 2021 Porsche 911 Turbo S
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.