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Service bulletin TSB220023

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 id10249564
Published by NHTSA2024-02-02
Manufacturer's numberTSB220023
Manufacturer's date2024-01-16
NHTSA componentENGINE AND ENGINE COOLING; UNKNOWN OR OTHER

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of issue of No AC voltage generation at rated RPM when configured to star (wye) terminal connection using an isolated neutral configuration on an HDKAG unit.

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

Vehicles listed
CUMMINS CUMMINS

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