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Service bulletin K12246971

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 id10145530
Published by NHTSA2018-10-15
Manufacturer's numberK12246971
Manufacturer's date2018-09-11
NHTSA componentSUSPENSION; POWER TRAIN; STRUCTURE

NHTSA's summary

Grounding Bus Bar On Frame Rail Stud; Inspection To Be Performed For Power And Ground, Data Link DTCs - US13 And Newer Emissions, Common Model Year 2018 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

Body and frame, Suspension, Transmission and driveline

Vehicles listed
MACK ANTHEM (AN)2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
MACK CHU2018
MACK CXU2018
MACK GRANITE (GU)2019 (the catalog's model; the bulletin names a series or trim of it)
MACK GU2018
MACK PINNACLE (CHU)2019 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (CXU)2019 (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 TD2018 to 2019

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

Recalls for the same vehicles and component
20205512020-11-12. Structure
19V0470002019-01-21. POWER TRAIN:CLUTCH ASSEMBLY

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
CBR 2575-1 2026042026-05-05. Service bulletin. CBR - Mack Chassis - Dash Panel Cracking at Mounting to BIW.
CBR 2573-1 2026042026-05-05. Service bulletin. CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
CBR 2362-3 2026042026-05-04. Service bulletin. CBR - Mack Carrier Nut Adhesive Change.
CBR 2246-5 0320262026-04-02. Service bulletin. CBR - Z Spring Bracket Wear.
CBR 2432-2 2026012026-02-03. Service bulletin. CBR - Mack Chassis - AN And GR Models - Door Glass Shattering.
CBR 2464-1 2025052025-06-02. Service bulletin. Mack Chassis - Rear Axle Overheat
CBR 70-8 2025052025-06-02. Service bulletin. Lack of lateral structural hood support.
CBR-2016 2024122025-01-02. Service bulletin. Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
CBR-2387 2024092024-10-04. Service bulletin. CBR: Vehicles Equipped With A Lift Axle - Wheel Speed Fault Code SPN 793, SPN 794 Set When Axle Is Up
CBR-731 2024092024-10-03. Service bulletin. CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer