# Service bulletin 37431

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: 11023525
- Published by NHTSA: 2025\-10\-02
- Manufacturer's number: 37431
- Manufacturer's date: 2025\-09\-30
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This is a Technical Journal: PS No Start After Failed OTA Installation. Do not replace any parts.\&\#13; To recover the CEM, download SP 80026889, "OTA RESTORE".\&\#13; After this has been installed, confirm that the car can now be started and driven.\&\#13; \*Ensure that the car has the latest software by following TJ\-35361

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023525-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023525-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2025 to 2026 POLESTAR POLESTAR 4

## Other bulletins for the same vehicles and component

- [37431](/bulletins/11021910.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: PS No Start After Failed OTA Installation. Do not replace any parts.\&\#13; To recover the CEM, download SP 80026889, "OTA RESTORE".\&\#13; After this has been installed, confirm that the car can now be started and driven.\&\#13; \*Ensure that the car has the latest software by following TJ\-35361

JSON: [/v1/bulletins/11023525](/v1/bulletins/11023525)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2037431&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11023525&vehicle=Service%20bulletin%2037431)