Porsche Cayenne 2019–2023 — technical service bulletin

Bulletin No. 166-21-1 · NHTSA communication 10249920 · issued Jan 30, 2024

Technical service bulletin

communication type

Engine and Engine Cooling

component

2019–2023

model years

vehicle entries

Official summary

Technical information for Oil Leakage on Cylinder Head Cover: Insert Micro-Self-Locking Screw

Vehicles covered

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
2019 Porsche Cayenne S
2020 Porsche Cayenne S
2021 Porsche Cayenne S
2022 Porsche Cayenne S
2023 Porsche Cayenne S
2020 Porsche Cayenne S E-Hybrid
2019 Porsche Cayenne Turbo
2020 Porsche Cayenne Turbo
2023 Porsche Cayenne Turbo
2020 Porsche Cayenne Turbo Coupe
2022 Porsche Cayenne Turbo GT
2023 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.