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Service bulletin TSB230088

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 id10238750
Published by NHTSA2023-07-06
Manufacturer's numberTSB230088
Manufacturer's date2023-06-29
NHTSA componentENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of issue fuel leakage between fuel pump flange and fuel pump gasket.

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 X12

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