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Service bulletin Plant Comm

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 id10240448
Published by NHTSA2023-08-04
Manufacturer's numberPlant Comm
Manufacturer's date2023-07-27
NHTSA componentFUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING

NHTSA's summary

Leaks have been observed on the 1st accumulator fittings in 8 issues. 125 suspect fuel rails based on the manufacturing date. Engines which are at the OEMs before the clean point need to be touched by the techs to change the accumulator fitting torque to 175NM and provide the work instructions for the onsite techs to rework the accumulator fittings.

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 L9

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