# 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.

- Type: Service bulletin
- NHTSA id: 11021912
- Published by NHTSA: 2025\-08\-18
- Manufacturer's number: 37413
- Manufacturer's date: 2025\-07\-23
- NHTSA component: UNKNOWN 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.\&\#13; If the normal fault tracing is unsuccessful, and the next step is to replace the IHU, this TJ must be followed

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021912-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021912-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2021 to 2026 POLESTAR POLESTAR 2

JSON: [/v1/bulletins/11021912](/v1/bulletins/11021912)

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