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Service bulletin TSB190165-060920

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 id10177345
Published by NHTSA2020-07-20
Manufacturer's numberTSB190165-060920
Manufacturer's date2020-06-09
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, GASOLINE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution to address soot deposits in the intake air connection exhaust gas entrance ports that affects Exhaust Gas Recirculation flow measurements. 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, Exhaust and emissions, Fuel system

Vehicles listed
CUMMINS B6.7
CUMMINS L9

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