Service bulletin TSB260078
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 | 11034594 |
| Published by NHTSA | 2026-07-07 |
| Manufacturer's number | TSB260078 |
| Manufacturer's date | 2026-06-02 |
| NHTSA component | ENGINE |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution steps for the engine control module calibration of certain B6.7 gasoline engines which may contain a defect, resulting in engine misfire fault codes with no driveability issues.
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 B6.7O |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.