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Service bulletin KC-297

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 id10206989
Published by NHTSA2022-02-04
Manufacturer's numberKC-297
Manufacturer's date2022-01-04
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

Mack Chassis - Adding Snow Plow Lights - Parameter And Variant Changes

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

Lighting

Vehicles listed
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)

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

Recalls for the same vehicles and component
20234742023-08-25. Lights And Instruments
23V6000002023-08-25. EXTERIOR LIGHTING:TURN SIGNAL
20223612022-06-15. Lights And Instruments
20216162021-10-06. Lights And Instruments
20211242021-03-09. Lights And Instruments
20186052018-11-02. Lights And Instruments
18V7650002018-10-30. EXTERIOR LIGHTING
18V1520002018-03-06. INTERIOR LIGHTING; VISIBILITY:WINDSHIELD WIPER/WASHER; EXTERIOR LIGHTING; ELECTRICAL SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
KC-6922021-11-05. Service bulletin. Lighting Control Module ( LCM ) Replacement - Refer To Technical Parts Information ( TPI ) 364 - 034 Control Unit
SC04222021-04-06. Service bulletin. Canada Non-Compliance DRL overide
KC-20622020-12-01. Service bulletin. Mack Chassis - Granite (GR) - Intermittent Or Inoperative Headlights, Front Marker Lights, Turn Signals, And/Or Plow Lights
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
K232320432018-06-18. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL) - US17+OBD16 And US17+OBD18 (GHG17) Emissions (With Common Rail Fuel System), Commonly Model Years 2018 And 2019