Service bulletin TSB260021
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 | 11038214 |
| Published by NHTSA | 2026-10-06 |
| Manufacturer's number | TSB260021 |
| Manufacturer's date | 2026-09-17 |
| NHTSA component | FUEL/PROPULSION SYSTEM |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution steps for the battery electric system which may experience Controller Area Network (CAN ) communication issues from false occurrences of Pack Management Unit (PMU) modules, resulting in System Control Module (SCM) fault codes 11412, 11413 or 11414 being set. This is an update to a previously submitted communication.
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 |
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Listing a model year does not mean every vehicle of it is concerned: the document says which.