Porsche Cayenne 2019–2025 — technical service bulletin

Bulletin No. 2121.3 · NHTSA communication 11021356 · issued Jul 8, 2025

Technical service bulletin

communication type

Forward Collision Avoidance

component

2019–2025

model years

vehicle entries

Official summary

Instructions on advanced technical information for the Cayenne - ACC Dynamic Calibration Fault C110300

Vehicles covered

2019 Porsche Cayenne
2020 Porsche Cayenne
2021 Porsche Cayenne
2022 Porsche Cayenne
2023 Porsche Cayenne
2024 Porsche Cayenne
2025 Porsche Cayenne
2024 Porsche Cayenne Coupe
2025 Porsche Cayenne Coupe
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
2024 Porsche Cayenne E-Hybrid
2025 Porsche Cayenne E-Hybrid
2024 Porsche Cayenne E-Hybrid Coupe
2025 Porsche Cayenne E-Hybrid Coupe
2020 Porsche Cayenne GT
2021 Porsche Cayenne GT
2022 Porsche Cayenne GT
2021 Porsche Cayenne GTS
2022 Porsche Cayenne GTS
2023 Porsche Cayenne GTS
2024 Porsche Cayenne GTS
2019 Porsche Cayenne S
2020 Porsche Cayenne S
2021 Porsche Cayenne S
2022 Porsche Cayenne S
2023 Porsche Cayenne S
2024 Porsche Cayenne S
2024 Porsche Cayenne S Coupe
2020 Porsche Cayenne S E-Hybrid
2019 Porsche Cayenne Turbo
2020 Porsche Cayenne Turbo
2023 Porsche Cayenne Turbo
2020 Porsche Cayenne Turbo Coupe
2024 Porsche Cayenne Turbo E-Hybrid
2022 Porsche Cayenne Turbo GT
2023 Porsche Cayenne Turbo GT
2024 Porsche Cayenne Turbo GT
2019 Porsche Cayenne Turbo S E-Hybrid
2020 Porsche Cayenne Turbo S E-Hybrid
2021 Porsche Cayenne Turbo S E-Hybrid
2022 Porsche Cayenne Turbo S E-Hybrid
2023 Porsche Cayenne Turbo S E-Hybrid
2020 Porsche Cayenne Turbo S Hyb 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.