Service bulletin TSB250168
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 | 11022751 |
| Published by NHTSA | 2025-09-05 |
| Manufacturer's number | TSB250168 |
| Manufacturer's date | 2025-08-30 |
| NHTSA component | FUEL/PROPULSION SYSTEM |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution steps for the coolant heater of the battery electric system which may detect high internal temperature and disable the heater, resulting in fault codes 15256, 15262 or 15267 being set.
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
| CUMMINS BES |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.