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Service bulletin KC-342

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 id10200967
Published by NHTSA2021-09-03
Manufacturer's numberKC-342
Manufacturer's date2021-08-26
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Selective Catalytic Reduction (SCR) Parts Supersession; New Part Numbers For SCR Muffler/Canister - All One Box And Two Box Configurations EXCEPT Turbo Compound - US17+OBD16 And US17+OBD18 Emissions, Model Years 2018 And 2019

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

Vehicles listed
VOLVO VAH2018 to 2019
VOLVO VHD2018 to 2019
VOLVO VNL2018 to 2019
VOLVO VNM2018 to 2019
VOLVO VNR2018 to 2019
VOLVO BUS 97002018 to 2019

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