Service bulletin TSB180025-091820
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 | 10145452 |
| Published by NHTSA | 2018-10-15 |
| Manufacturer's number | TSB180025-091820 |
| Manufacturer's date | 2018-09-18 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution to fault codes: 146, 151, 1962, 2646, 2963; improper function of the coolant thermostat; excessive coolant temperature; and/or, engine unable to reach operating temperature as caused by a fatigue malfunction caused by internal pressure. This is an update to a previously submitted communication.
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
Engine
| CUMMINS ISL9 | |
|---|---|
| CUMMINS L9 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.