Porsche 718 Boxster 2021 — technical service bulletin
Bulletin No. 08-23 · NHTSA communication 10232446 · issued Feb 27, 2023
Technical service bulletin
communication type
Fuel System, Gasoline
component
2021
model years
43
vehicle entries
Official summary
Manufacturers certificate for approved engine C40 oils for MY23.
Vehicles covered
- 2021 Porsche 718 Boxster
- 2021 Porsche 718 Boxster GTS
- 2021 Porsche 718 Boxster S
- 2021 Porsche 718 Cayman
- 2021 Porsche 718 Cayman S
- 2021 Porsche 718 Spyder
- 2021 Porsche 911
- 2021 Porsche 911 Carrera
- 2021 Porsche 911 Carrera S
- 2021 Porsche 911 GT3
- 2021 Porsche 911 Targa 4
- 2021 Porsche 911 Turbo
- 2021 Porsche Boxster
- 2021 Porsche Cayenne
- 2021 Porsche Cayenne E-Hybrid
- 2021 Porsche Cayenne GT
- 2021 Porsche Cayenne GTS
- 2021 Porsche Cayenne S
- 2021 Porsche Cayenne Turbo S E-Hybrid
- 2021 Porsche Cayman
- 2021 Porsche Cayman GT4
- 2021 Porsche Macan
- 2021 Porsche Macan GTS
- 2021 Porsche Macan S
- 2021 Porsche Macan Turbo
- 2021 Porsche Panamera
- 2021 Porsche Panamera 4
- 2021 Porsche Panamera 4 E-Hybrid
- 2021 Porsche Panamera 4 Executive
- 2021 Porsche Panamera 4S
- 2021 Porsche Panamera 4S E-Hybrid
- 2021 Porsche Panamera 4S Executive
- 2021 Porsche Panamera 4S Sport Turismo
- 2021 Porsche Panamera GTS
- 2021 Porsche Panamera Turbo S
- 2021 Porsche Panamera Turbo S E-Hybrid
- 2021 Porsche Panamera Turbo S Executiv
- 2021 Porsche Taycan
- 2021 Porsche Taycan 4S
- 2021 Porsche Taycan 4S Cross Turismo
- 2021 Porsche Taycan Cross Turismo
- 2021 Porsche Taycan Turbo
- 2021 Porsche Taycan Turbo S
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.