Service bulletin TSB250222
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 | 11027448 |
| Published by NHTSA | 2026-01-07 |
| Manufacturer's number | TSB250222 |
| Manufacturer's date | 2025-12-17 |
| NHTSA component | FUEL/PROPULSION SYSTEM |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution steps for the system control module bootloader which may be incompatible with the Accelera™ Diagnostics Electronic Service Tool, resulting in the inability to update the System Control Module (SCM) Calibration using the Accelera™ Diagnostics Electronic Service Tool.
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
Fuel system
| CUMMINS BES |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.