# Service bulletin 22517

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: 10225619
- Published by NHTSA: 2022\-11\-02
- Manufacturer's number: 22517
- Manufacturer's date: 2022\-10\-27
- NHTSA component: FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING

## NHTSA's summary

In extreme cold ambient conditions, the Diesel Exhaust Fluid \(DEF\) tank may become frozen and result in engine derate until the DEF tank is thawed. Emissions may increase when dosing is suspended while the DEF is frozen.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225619-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225619-9999.pdf)

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

## Components

Engine, Fuel system

## Vehicles listed

- 2021 to 2022 INTERNATIONAL CV

JSON: [/v1/bulletins/10225619](/v1/bulletins/10225619)

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