# Service campaign S4663 202511

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 campaign
- NHTSA id: 11026015
- Published by NHTSA: 2025\-12\-03
- Manufacturer's number: S4663 202511
- Manufacturer's date: 2025\-11\-04
- NHTSA component: ENGINE

## NHTSA's summary

CBR \- Engine Cooling Fan Overdrive.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026015-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026015-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2025 to 2026 VOLVO VN

JSON: [/v1/bulletins/11026015](/v1/bulletins/11026015)

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