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Service bulletin K45941512

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 id10142727
Published by NHTSA2018-07-16
Manufacturer's numberK45941512
Manufacturer's date2018-06-20
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14 +OBD15, Common Model Year 2016

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

Engine, Cooling system

Trouble codes named

P0128

Vehicles listed
MACK CHU2016
MACK CXU2016
MACK GU2016
MACK LEU2016
MACK LR2016
MACK MRU2016
MACK TD2016

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
K459415122018-06-18. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14 +OBD13 US14+OBD15 And US14+OBD16, Commonly Model Year 2015 Through 2017
K459415122018-05-29. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14 +OBD13 US14+OBD15 And US14+OBD16, Commonly Model Year 2015 Through 2017
K459415122018-03-12. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14+OBD13 (Commonly Year Model 2015) And Newer.Updated to reflect release of FSB284-064 (Above)
FSB8730212018-03-12. Service bulletin. HVAC Filter Blocked, Repair, LR