# Service bulletin MI21\-06

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: 10203697
- Published by NHTSA: 2021\-12\-01
- Manufacturer's number: MI21\-06
- Manufacturer's date: 2021\-11\-17
- NHTSA component: FUEL SYSTEM, DIESEL

## NHTSA's summary

Diesel Exhaust Fluid \( DEF \) Contamination In Fuel System, Inspection And Repair – From US10 to newer engine generation

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10203697-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10203697-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- 2010 to 2013 PREVOST H3
- 2019 to 2020 PREVOST H3
- 2010 PREVOST H3 VIP
- 2010 to 2013 PREVOST H3\-40
- 2010 to 2019 PREVOST H3\-41
- 2021 PREVOST H3\-41
- 2010 to 2021 PREVOST H3\-45
- 2010 to 2021 PREVOST H3\-45 VIP
- 2010 to 2019 PREVOST H3\-VIP
- 2010 to 2013 PREVOST MTH XLII\-45E
- 2012 PREVOST VIP 45
- 2011 PREVOST VIP\-45
- 2010 to 2011 PREVOST W5
- 2010 to 2013 PREVOST WE
- 2010 to 2020 PREVOST X3
- 2018 to 2019 PREVOST X3 COMMUTER
- 2010 to 2021 PREVOST X3\-45
- 2011 to 2016 PREVOST X3\-45 COACH
- 2018 to 2019 PREVOST X3\-45 COMMUTER
- 2021 PREVOST X3\-45 COMMUTER
- 2013 PREVOST X3\-45 LE MIRAGE COACH
- 2010 to 2021 PREVOST X3\-45 VIP
- 2010 to 2018 PREVOST X3\-45 VIP ENTERTAINER
- 2012 to 2016 PREVOST X3\-VIP
- 2014 to 2019 PREVOST X3VIP
- 2010 to 2013 PREVOST XL
- 2010 PREVOST XL11\-45
- 2010 to 2011 PREVOST XL11\-45E
- 2010 to 2018 PREVOST XL2
- 2011 to 2013 PREVOST XL2 ENTERTAINER
- 2013 PREVOST XL2\-45 ENTERTAINER
- 2010 to 2012 PREVOST XLII
- 2010 to 2015 PREVOST XLII\-45
- 2010 to 2013 PREVOST XLII\-45 ENTERTAINER
- 2010 to 2013 PREVOST XLII\-45E

JSON: [/v1/bulletins/10203697](/v1/bulletins/10203697)

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