Porsche 911 2019–2025 — technical service bulletin
Bulletin No. 11-25 · NHTSA communication 11016723 · issued Mar 28, 2025
Technical service bulletin
communication type
Lane Departure
component
2019–2025
model years
26
vehicle entries
Official summary
Technical Information - Various Error Messages regarding Driver Assistance Systems in the Instrument Cluster / Passive Fault Memory Entry "C12D5FA" in the Driver Assistance System Control Unit (ZFAS) (11/25)
Vehicles covered
- 2019 Porsche 911
- 2020 Porsche 911
- 2021 Porsche 911
- 2022 Porsche 911
- 2023 Porsche 911
- 2024 Porsche 911
- 2025 Porsche 911
- 2019 Porsche Cayenne
- 2020 Porsche Cayenne
- 2021 Porsche Cayenne
- 2022 Porsche Cayenne
- 2023 Porsche Cayenne
- 2024 Porsche Cayenne
- 2025 Porsche Cayenne
- 2019 Porsche Panamera
- 2020 Porsche Panamera
- 2021 Porsche Panamera
- 2022 Porsche Panamera
- 2023 Porsche Panamera
- 2024 Porsche Panamera
- 2020 Porsche Taycan
- 2021 Porsche Taycan
- 2022 Porsche Taycan
- 2023 Porsche Taycan
- 2024 Porsche Taycan
- 2025 Porsche Taycan
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.