# Service bulletin SBU49\-010

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: 10225495
- Published by NHTSA: 2022\-11\-02
- Manufacturer's number: SBU49\-010
- Manufacturer's date: 2022\-10\-27
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

FCCC Service Bulletin for DEF Connector Reinforcement Caps. Some customers experience separation of the diesel exhaust fluid \(DEF\) lines from the connection ports in extreme cold temperatures. To prevent this, a process was developed to secure the lines with wire ties. A new reinforcement cap has been developed to simplify this process at the DEF connection fittings.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225495-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225495-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2016 to 2022 FCCC S2

JSON: [/v1/bulletins/10225495](/v1/bulletins/10225495)

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