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Service bulletin KC-163

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 id10204007
Published by NHTSA2021-12-07
Manufacturer's numberKC-163
Manufacturer's date2021-11-04
NHTSA componentFUEL SYSTEM, DIESEL

NHTSA's summary

Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year 2008 And Newer

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

Fuel system

Vehicles listed
MACK ANTHEM (AN)2016 to 2017
MACK ANTHEM (AN)2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK CHN2008
MACK CHU2008 to 2018
MACK CHU6122008
MACK CHU6132008
MACK CHU6132010
MACK CHU6142010
MACK CL2008
MACK CMH2010 to 2012
MACK CMM2010 to 2013
MACK CT2008
MACK CT7132008
MACK CTP2008
MACK CV2008
MACK CXN2008
MACK CXP2008
MACK CXU2008 to 2018
MACK CXU6122008
MACK CXU6122010 to 2011
MACK CXU6132008
MACK CXU6132010
MACK CXU613E2010
MACK CXU6142010
MACK GRANITE (GR)2016
MACK GRANITE (GR)2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GU)2008 to 2016
MACK GRANITE (GU)2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK GU2008 to 2018
MACK GU7132008
MACK GU7132010
MACK GU812E2010
MACK GU8132008
MACK GU8132010
MACK GU813E2010
MACK GU8142010
MACK LEU2008 to 2017
MACK LR2010 to 2014
MACK LR2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
MACK LR ELECTRIC2020
MACK LR62011 to 2016
MACK MD2020, 2021, 2022
MACK MRU2008 to 2018
MACK PINNACLE (CHU)2008 to 2016
MACK PINNACLE (CHU)2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (CXU)2008 to 2016
MACK PINNACLE (CXU)2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (PI/PN)2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK TD2008 to 2019
MACK TD7132010
MACK TD7142008 to 2010
MACK TE2019 to 2021
MACK TERRAPRO (LEU)2012 to 2016
MACK TERRAPRO (LEU/MRU)2008 to 2016
MACK TERRAPRO (LEU/MRU)2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (MRU)2011 to 2016
MACK TERRAPRO (MRU)2017 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (MRU)2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (TE)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (TE)2022 (the catalog's model; the bulletin names a series or trim of it)
MACK TITAN2013 to 2015
MACK TITAN (TD)2009 to 2018

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

Other bulletins for the same vehicles and component
CBR 2107-21 2025052025-06-02. Service bulletin. Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
CBR 445- 11 2025052025-06-02. Service bulletin. Vehicles Equipped With a Common Rail Fuel System - Aftermarket Secondary Fuel Filters, Important Information On Approved Filters - US17+OBD16 toUS21+OBD23
CBR-570 2024092024-10-03. Service bulletin. CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024
CBR-2139 2024052024-06-04. Service bulletin. CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this issue.
KC-331-Ver62023-06-05. Service bulletin. CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines
KC-3312023-04-04. Service bulletin. Model Year 2017, 2018 - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines
KC-21392022-09-07. Service bulletin. fuel in the oil inspection
KC-21572022-07-05. Service bulletin. Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-6592022-06-07. Service bulletin. Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions Prior To US17+OBD16 (Common Rail Fuel System), Model Year 2017 And Older
KC-6342022-05-06. Service bulletin. Model Year 2017, 2018 - US17 Emission Engines - The ( Donaldson ) Fuel Filter - Part Number P550529 - " Cannot " Be Used