Polestar Polestar 2 2021–2024 — technical service bulletin
Bulletin 35563.3.0 · NHTSA communication 10252998 · issued Apr 5, 2024
Technical service bulletin
communication type
Equipment
component
2021–2024
model years
4
vehicle entries
Official summary
This is a Technical Journal: IHU Replacement - Prior Approval Needed. In most cases the IHU does not need to be replaced, and can be saved by following fault tracing in VIDA
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.