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Service bulletin KC-201

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 id10209946
Published by NHTSA2022-04-05
Manufacturer's numberKC-201
Manufacturer's date2022-03-18
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Mack Chassis - Diagnostic Trouble Code ( DTC ) P20CF, Diagnosis And Repair - US14+OBD15 Emissions, Common Model Year 2016

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

Trouble codes named

P20CF

Vehicles listed
MACK CHU2016
MACK CXU2016
MACK GU2016
MACK LEU2016
MACK MRU2016
MACK TD2016

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