Service bulletin TSB25001
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 | 11012348 |
| Published by NHTSA | 2025-01-06 |
| Manufacturer's number | TSB25001 |
| Manufacturer's date | 2025-01-18 |
| NHTSA component | FUEL/PROPULSION SYSTEM |
| Manufacturer's system | def |
NHTSA's summary
If a DEF sensor fails, validate that the Coolant Control Valve is plumbed so that the coolant flows towards the DEF Tank. If it is plumbed incorrectly, replace the coolant control valve along with DEF assy. Follow the attached instructions for inspection.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Fuel system
| ROSENBAUER AVENGER | 2017 to 2021 |
|---|---|
| ROSENBAUER COMMANDER | 2017 to 2024 |
| ROSENBAUER WARRIOR | 2017 to 2024 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.