Porsche 911 2019–2021 — technical service bulletin
Bulletin No. 2229.11 · NHTSA communication 10251248 · issued Feb 20, 2024
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
32
vehicle entries
Official summary
Instructions on advanced technical information for the Cayenne and 911 - conbox current draw discharges 12v battery
Vehicles covered
- 2020 Porsche 911
- 2021 Porsche 911
- 2020 Porsche 911 Carrera
- 2021 Porsche 911 Carrera
- 2020 Porsche 911 Carrera S
- 2021 Porsche 911 Carrera S
- 2021 Porsche 911 GT3
- 2020 Porsche 911 Targa 4
- 2021 Porsche 911 Targa 4
- 2020 Porsche 911 Turbo
- 2021 Porsche 911 Turbo
- 2021 Porsche 911 Turbo S
- 2019 Porsche Cayenne
- 2020 Porsche Cayenne
- 2021 Porsche Cayenne
- 2019 Porsche Cayenne E-Hybrid
- 2020 Porsche Cayenne E-Hybrid
- 2021 Porsche Cayenne E-Hybrid
- 2020 Porsche Cayenne GT
- 2021 Porsche Cayenne GT
- 2021 Porsche Cayenne GTS
- 2019 Porsche Cayenne S
- 2020 Porsche Cayenne S
- 2021 Porsche Cayenne S
- 2020 Porsche Cayenne S E-Hybrid
- 2019 Porsche Cayenne Turbo
- 2020 Porsche Cayenne Turbo
- 2020 Porsche Cayenne Turbo Coupe
- 2019 Porsche Cayenne Turbo S E-Hybrid
- 2020 Porsche Cayenne Turbo S E-Hybrid
- 2021 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.