# Service bulletin S7577

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: 10199738
- Published by NHTSA: 2021\-08\-03
- Manufacturer's number: S7577
- Manufacturer's date: 2021\-07\-20
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

VECU Software Update

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199738-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199738-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2020 to 2022 VOLVO VAH
- 2020 to 2022 VOLVO VHD
- 2020 to 2022 VOLVO VN

JSON: [/v1/bulletins/10199738](/v1/bulletins/10199738)

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