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Service bulletin AFC16904

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 id10083681
Published by NHTSA2016-10-28
Manufacturer's numberAFC16904
Manufacturer's date2016-09-29
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

DIESEL EXHAUST FLUID QUALITY SENSOR (DQS) RECALIBRATION TO PREVENT INADVERTENT ILLUMINATION OF A DASH WARNING LIGHT AND IMPROVE VEHICLE UPTIME AND CUSTOMER SATISFACTION; MODELS WITHOUT AERODYNAMIC SKIRTS.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions

Vehicles listed
NAVISTAR NAVISTAR

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