# Service bulletin 37333

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: 11020433
- Published by NHTSA: 2025\-07\-08
- Manufacturer's number: 37333
- Manufacturer's date: 2025\-04\-02
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This is a Technical Journal: Subwoofer Poor Sound. If experiencing a disturbing noise when playing music with powerful base, reffering to TJ\_37333\_1.mp4 in attachment, please follow the attached instruction "TJI\-531549\-1\_1\_2".\&\#13;

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020433-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020433-9999.pdf)

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

## Vehicles listed

- 2025 VOLVO EX90

JSON: [/v1/bulletins/11020433](/v1/bulletins/11020433)

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