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Service bulletin KC-544

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 id10195003
Published by NHTSA2021-06-04
Manufacturer's numberKC-544
Manufacturer's date2021-05-11
NHTSA componentCOMMUNICATION:MANUFACTURER TELEMATICS; BACK OVER PREVENTION:DISPLAY FUNCTION

NHTSA's summary

Model Year 2017, 2018 - ** Tech Tip ** TT - 000 - 2017 GPS Inoperative Message In DID ( Driver Information Display ) - Telematics Gateway ( TGW )

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

Driver assistance, Backup camera

Vehicles listed
MACK ANTHEM (AN)2017
MACK ANTHEM (AN)2018 (the catalog's model; the bulletin names a series or trim of it)
MACK CHU2017 to 2018
MACK CXU2017 to 2018
MACK GRANITE (GR)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK GU2017 to 2018
MACK LEU2017
MACK LR2017, 2018
MACK MRU2017 to 2018
MACK PINNACLE (CHU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (CXU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (PI/PN)2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TD2017 to 2018
MACK TERRAPRO (LEU/MRU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (MRU)2017 (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 TITAN (TD)2017 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
SLM20-0032020-04-03. Service bulletin. Monthly Bulletin Release Letter
K595542552019-09-30. Service bulletin. Mack Chassis - Particulate Matter (PM) Sensor Diagnostic Trouble Codes (DTC) Illuminating The Malfunction Indicator Lamp (MIL); Tech Tip TT-014-2016 - US14+OBD16, US17+OBD16 And Newer Emissions, Common Model Year 2017 And Newer - To Be Used For EVERY Visit