Service bulletin TSB190198-120220
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 | 10170453 |
| Published by NHTSA | 2020-01-21 |
| Manufacturer's number | TSB190198-120220 |
| Manufacturer's date | 2019-12-02 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution of engine speed oscillation observed when water pumps and vacuum are in operation. Normal torque/speed governor and PTO tuning was changed to address the overshoot and engine oscillation.
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 CUMMINS |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.