WenmarOpen by Wenmar Pro

Service bulletin TSB230062

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11010232
Published by NHTSA2024-11-07
Manufacturer's numberTSB230062
Manufacturer's date2024-10-19
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of fault codes 12543, 12553, 12558, 12564, 12569, 12575, or 13751 that cause loss of communication between the pack management unit (PMU) and the battery management controller (BMC) resulting in the high voltage battery pack going offline. 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

Vehicles listed
CUMMINS BES

Listing a model year does not mean every vehicle of it is concerned: the document says which.