# Service bulletin KC\-2161

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: 10213278
- Published by NHTSA: 2022\-06\-05
- Manufacturer's number: KC\-2161
- Manufacturer's date: 2022\-05\-13
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

DEF Pump Cycling periodically Hours After Key Off

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213278-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213278-9999.pdf)

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

## Components

Engine

## Vehicles listed

- VOLVO VOLVO TRUCK

JSON: [/v1/bulletins/10213278](/v1/bulletins/10213278)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20KC-2161&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10213278&vehicle=Service%20bulletin%20KC-2161)