Service bulletin TSB190022-020420
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 | 10154972 |
| Published by NHTSA | 2019-03-25 |
| Manufacturer's number | TSB190022-020420 |
| Manufacturer's date | 2019-02-18 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution of refuse trucks at altitude greater than 1220 m [ 4000 ft ] showing fault codes 2639, 1921, and 1922, which are related to high soot load as caused by an incorrect engine control module (ECM) calibration.
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 L9 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.