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Service bulletin TSB210183

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 id10210304
Published by NHTSA2022-04-18
Manufacturer's numberTSB210183
Manufacturer's date2022-03-21
NHTSA componentENGINE AND ENGINE COOLING; ENGINE; EQUIPMENT

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of FC 5655 due to the aftertreament system test failing Nox sensors on low hour aftertreatment systems. The system test fails the sensor rationality and directs the technician to replace the NOx sensors. This is an update to a 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, Equipment and accessories

Vehicles listed
CUMMINS L9

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