Porsche 911 2017–2024 — technical service bulletin

Bulletin No. 2408 · NHTSA communication 10251271 · issued Feb 28, 2024

Technical service bulletin

communication type

Electrical System

component

2017–2024

model years

vehicle entries

Official summary

Instructions on advanced technical information for the ignition lock error - B143C29

Vehicles covered

2020 Porsche 911
2021 Porsche 911
2022 Porsche 911
2023 Porsche 911
2024 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
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
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
2021 Porsche 911 GT3
2022 Porsche 911 GT3
2023 Porsche 911 GT3
2024 Porsche 911 GT3
2023 Porsche 911 GT3 RS
2024 Porsche 911 GT3 RS
2022 Porsche 911 GT3 Touring
2023 Porsche 911 GT3 Touring
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
2020 Porsche 911 Turbo
2021 Porsche 911 Turbo
2022 Porsche 911 Turbo
2023 Porsche 911 Turbo
2021 Porsche 911 Turbo S
2022 Porsche 911 Turbo S
2023 Porsche 911 Turbo S
2019 Porsche Cayenne
2020 Porsche Cayenne
2021 Porsche Cayenne
2022 Porsche Cayenne
2023 Porsche Cayenne
2019 Porsche Cayenne E-Hybrid
2020 Porsche Cayenne E-Hybrid
2021 Porsche Cayenne E-Hybrid
2022 Porsche Cayenne E-Hybrid
2023 Porsche Cayenne E-Hybrid
2020 Porsche Cayenne GT
2021 Porsche Cayenne GT
2022 Porsche Cayenne GT
2021 Porsche Cayenne GTS
2022 Porsche Cayenne GTS
2023 Porsche Cayenne GTS

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.