Porsche Cayenne 2017–2026 — service campaign
Bulletin No. 173-23 · NHTSA communication 11029200 · issued Feb 26, 2026
Service campaign
communication type
Electrical System
component
2017–2026
model years
18
vehicle entries
Official summary
Technical information for WPD8 Workshop Campaign – Re-Programming High-Voltage Battery Control Unit
Vehicles covered
- 2017 Porsche Cayenne
- 2018 Porsche Cayenne
- 2019 Porsche Cayenne
- 2020 Porsche Cayenne
- 2021 Porsche Cayenne
- 2022 Porsche Cayenne
- 2023 Porsche Cayenne
- 2024 Porsche Cayenne
- 2025 Porsche Cayenne
- 2026 Porsche Cayenne
- 2017 Porsche Panamera 4
- 2018 Porsche Panamera 4
- 2019 Porsche Panamera 4
- 2020 Porsche Panamera 4
- 2021 Porsche Panamera 4
- 2022 Porsche Panamera 4
- 2023 Porsche Panamera 4
- 2024 Porsche Panamera 4
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.