WenmarOpen by Wenmar Pro

Service bulletin KC-411

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 id10201738
Published by NHTSA2021-10-01
Manufacturer's numberKC-411
Manufacturer's date2021-09-23
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Volvo Chassis - Field Service Bulletin - FSB 293-027 EGR Mass Flow Rate Low - (SPN 2659 FMI 18 Or P0401)

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

Trouble codes named

P0401

Vehicles listed
VOLVO VOLVO TRUCK

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