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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 id10203015
Published by NHTSA2021-11-05
Manufacturer's numberKC-115
Manufacturer's date2021-10-20
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN

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 CHU2013
MACK CMM2013
MACK CXU2013
MACK GRANITE (GU)2013
MACK GU2013
MACK LEU2013
MACK LR2013
MACK LR62013
MACK MRU2013
MACK PINNACLE (CHU)2013
MACK PINNACLE (CXU)2013
MACK TD2013
MACK TERRAPRO (LEU)2013
MACK TERRAPRO (LEU/MRU)2013
MACK TERRAPRO (MRU)2013
MACK TITAN2013
MACK TITAN (TD)2013

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