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Service bulletin 37413

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11027157
Published by NHTSA2026-01-07
Manufacturer's number37413
Manufacturer's date2025-12-13
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This is a Technical Journal: PS IHU - Prior Approval. In most cases, the IHU does not need to be replaced and can be retained by following the fault tracing in VIDA.
 If the normal fault tracing is unsuccessful, and the next step is to replace the IHU, this TJ must be followed

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
POLESTAR POLESTAR 22021, 2022, 2023, 2024, 2025, 2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.