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Service bulletin KC-115

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 id10203122
Published by NHTSA2021-11-05
Manufacturer's numberKC-115
Manufacturer's date2021-10-20
NHTSA componentPOWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS

NHTSA's summary

Automated Manual Transmission ( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer - Light Turbo Surge ( Chuff ) During Skip Shifting

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

Transmission and driveline, Automatic transmission

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 CHU2013 to 2018
MACK CMM2013
MACK CXU2013 to 2018
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)2013 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 GU2013 to 2018
MACK LEU2013 to 2017
MACK LR2013 to 2014
MACK LR2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
MACK LR ELECTRIC2020
MACK LR62013 to 2016
MACK MD2020, 2021, 2022
MACK MRU2013 to 2018
MACK PINNACLE (CHU)2013 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)2013 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 TD2013 to 2019
MACK TE2019 to 2021
MACK TERRAPRO (LEU)2013 to 2016
MACK TERRAPRO (LEU/MRU)2013 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)2013 to 2016
MACK TERRAPRO (MRU)2017 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (MRU)2020 (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 TITAN2013 to 2015
MACK TITAN (TD)2013 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
KC-2802022-02-04. Service bulletin. (Back Office Only) - Mack Chassis - Equipped With An Automated Manual Transmission (AMT, mDrive) - Features Such As Predictive Cruise Control ( PCC ), Eco-Roll Inoperative - US17+OBD18 (GHG17, Common Rail Fuel System) Emissions, Model Year 2019