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Service bulletin K86900043

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 id10148618
Published by NHTSA2018-11-19
Manufacturer's numberK86900043
Manufacturer's date2018-10-10
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

EGR Fault Codes / Diagnostic Trouble Codes ( DTC's ) SPN 412 FMI 0,2,5, SPN 4752 FMI 7, SPN 2659 FMI 18 / P040A, P040B, P1121, P2457, P0401, P04D9

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, Exhaust and emissions, EGR valve

Trouble codes named

P0401, P040A, P040B, P04D9, P1121, P2457

Vehicles listed
MACK MACK

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