Service bulletin TSB260138
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 | 11037910 |
| Published by NHTSA | 2026-10-05 |
| Manufacturer's number | TSB260138 |
| Manufacturer's date | 2026-09-15 |
| NHTSA component | ENGINE |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution steps for the engine control module calibration of certain X15N engines which may contain a defect, resulting in fault code 5878 logging during motoring conditions when using the accelerator pedal to deactivate the engine brakes and continuing to motor downhill.
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 X15N |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.