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Service bulletin TSB220228

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 id10235541
Published by NHTSA2023-05-04
Manufacturer's numberTSB220228
Manufacturer's date2023-04-17
NHTSA componentENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of the issue of contaminants in the fuel system clogging the injector, causing no fuel to enter the cylinder, and preventing the generator from starting. This is an update to the 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

Engine, Fuel system

Vehicles listed
CUMMINS HDZAA

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