Porsche 911 2020–2026 — technical service bulletin
Bulletin No. 2503.2 · NHTSA communication 11021643 · issued Jul 22, 2025
Technical service bulletin
communication type
Forward Collision Avoidance
component
2020–2026
model years
60
vehicle entries
Official summary
Instructions on advanced technical information for troubleshooting ADAs systems
Vehicles covered
- 2020 Porsche 911
- 2021 Porsche 911
- 2022 Porsche 911
- 2023 Porsche 911
- 2024 Porsche 911
- 2025 Porsche 911
- 2026 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
- 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
- 2021 Porsche 911 GT3
- 2022 Porsche 911 GT3
- 2023 Porsche 911 GT3
- 2024 Porsche 911 GT3
- 2025 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
- 2024 Porsche Cayenne
- 2025 Porsche Cayenne
- 2026 Porsche Cayenne
- 2024 Porsche Cayenne Coupe
- 2025 Porsche Cayenne Coupe
- 2026 Porsche Cayenne Coupe
- 2024 Porsche Cayenne E-Hybrid
- 2025 Porsche Cayenne E-Hybrid
- 2026 Porsche Cayenne E-Hybrid
- 2024 Porsche Cayenne E-Hybrid Coupe
- 2025 Porsche Cayenne E-Hybrid Coupe
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.