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Service bulletin TSB180097-072420

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 id10143717
Published by NHTSA2018-08-20
Manufacturer's numberTSB180097-072420
Manufacturer's date2018-07-26
NHTSA componentEQUIPMENT

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of an incorrect high-pressure regulator setting: set too high causing fault code 2724. The original equipment manufacturer (OEM) high-pressure regulator is set higher than specification or the incorrect OEM high-pressure regulator has been installed.

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

Equipment and accessories

Vehicles listed
CUMMINS ISX12

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