Porsche Taycan 2020–2024 — technical service bulletin
Bulletin No. 174-24 · NHTSA communication 11024147 · issued Sep 23, 2025
Technical service bulletin
communication type
Electrical System
component
2020–2024
model years
46
vehicle entries
Official summary
Technical information on ARB5 - Replace the Cell Block Module on High-Voltage Battery
Vehicles covered
- 2020 Porsche Taycan
- 2021 Porsche Taycan
- 2022 Porsche Taycan
- 2023 Porsche Taycan
- 2024 Porsche Taycan
- 2021 Porsche Taycan 4 Cross Turismo
- 2022 Porsche Taycan 4 Cross Turismo
- 2023 Porsche Taycan 4 Cross Turismo
- 2024 Porsche Taycan 4 Cross Turismo
- 2020 Porsche Taycan 4S
- 2021 Porsche Taycan 4S
- 2022 Porsche Taycan 4S
- 2023 Porsche Taycan 4S
- 2024 Porsche Taycan 4S
- 2021 Porsche Taycan 4S Cross Turismo
- 2022 Porsche Taycan 4S Cross Turismo
- 2023 Porsche Taycan 4S Cross Turismo
- 2024 Porsche Taycan 4S Cross Turismo
- 2020 Porsche Taycan Cross Turismo
- 2021 Porsche Taycan Cross Turismo
- 2022 Porsche Taycan Cross Turismo
- 2023 Porsche Taycan Cross Turismo
- 2022 Porsche Taycan GTS
- 2023 Porsche Taycan GTS
- 2024 Porsche Taycan GTS
- 2022 Porsche Taycan GTS Sport Turismo
- 2023 Porsche Taycan GTS Sport Turismo
- 2024 Porsche Taycan GTS Sport Turismo
- 2020 Porsche Taycan Turbo
- 2021 Porsche Taycan Turbo
- 2022 Porsche Taycan Turbo
- 2023 Porsche Taycan Turbo
- 2024 Porsche Taycan Turbo
- 2021 Porsche Taycan Turbo Cross Turism
- 2022 Porsche Taycan Turbo Cross Turism
- 2023 Porsche Taycan Turbo Cross Turism
- 2024 Porsche Taycan Turbo Cross Turism
- 2020 Porsche Taycan Turbo S
- 2021 Porsche Taycan Turbo S
- 2022 Porsche Taycan Turbo S
- 2023 Porsche Taycan Turbo S
- 2024 Porsche Taycan Turbo S
- 2021 Porsche Taycan Turbo S Cross Turi
- 2022 Porsche Taycan Turbo S Cross Turi
- 2023 Porsche Taycan Turbo S Cross Turi
- 2024 Porsche Taycan Turbo S Cross Turi
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.