# Service campaign SC S4643 202601

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: 11028027
- Published by NHTSA: 2026\-02\-02
- Manufacturer's number: SC S4643 202601
- Manufacturer's date: 2026\-01\-01
- NHTSA component: ENGINE

## NHTSA's summary

SC \- S4643 January 2026 Front Engine Accessory Drive Update.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028027-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028027-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2026 VOLVO VHD
- 2026 VOLVO VN

JSON: [/v1/bulletins/11028027](/v1/bulletins/11028027)

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