Polestar Polestar 3 2024–2025 — technical service bulletin
Bulletin 37923.1.1 · NHTSA communication 11037951 · issued Sep 17, 2026
Technical service bulletin
communication type
Unknown / Other
component
2024–2025
model years
2
vehicle entries
Official summary
This is a TJ - Text Only - No attachments - If the customer experiences a "Battery System Fault" warning message and the vehicle will not start, follow the advice under service. Updated software version under Service Improved software was released with version 3.0.33, Perform a total upgrade to bring the vehicle to the latest software.
Vehicles covered
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.