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Service bulletin TSB200189

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 id10203203
Published by NHTSA2021-11-08
Manufacturer's numberTSB200189
Manufacturer's date2021-09-10
NHTSA componentFUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution to address failed Diesel Exhaust Fluid urea quality sensor fault codes. The resolution is more fully described within the OEM Technical Information Bulletin. 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, Fuel system

Vehicles listed
CUMMINS B6.7
CUMMINS L9
CUMMINS X12
CUMMINS X15

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