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Service bulletin K94743326

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 id10158917
Published by NHTSA2019-04-22
Manufacturer's numberK94743326
Manufacturer's date2019-03-27
NHTSA componentENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

NHTSA's summary

Diagnostic Trouble Code (DTC) P009B-13 Fuel Pressure Relief Control - Circuit Open; Possible Derate - US17+OBD16 And US17+OBD18 Emissions, Model Years 2018 And 2019

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, Fuel injection

Trouble codes named

P009B

Vehicles listed
MACK LR
MACK R

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