# Service bulletin S7494

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: 10174620
- Published by NHTSA: 2020\-05\-04
- Manufacturer's number: S7494
- Manufacturer's date: 2020\-04\-30
- NHTSA component: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING

## NHTSA's summary

Heated Drain Valve Wired Incorrectly

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174620-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174620-9999.pdf)

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

## Components

Electrical system, Engine, Equipment and accessories, Wiring and fuses

## Vehicles listed

- 2019 to 2020 VOLVO VHD
- 2019 to 2020 VOLVO VN

JSON: [/v1/bulletins/10174620](/v1/bulletins/10174620)

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