Service bulletin C2659
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 | 10233004 |
| Published by NHTSA | 2023-03-20 |
| Manufacturer's number | C2659 |
| Manufacturer's date | 2023-02-16 |
| NHTSA component | FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM |
NHTSA's summary
This campaign enables authorized repair locations to recalibrate the Engine Control Module to the latest revision on certain B6.7 MY2017-2020 CM2350 engines. This calibration update may provide certain improvements to the tailpipe NOx emissions performance and fuel system diagnostics performance with an objective to meet certain OBD requirements.
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
Electrical system, Fuel system
| CUMMINS ISL 9 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.