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Service bulletin KC-2149

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 id10215311
Published by NHTSA2022-07-05
Manufacturer's numberKC-2149
Manufacturer's date2022-06-03
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Particulate Matter (PM) Sensor Troubleshooting Guide - US14+OBD16 And Newer Emissions.

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 VAH
VOLVO VHD
VOLVO VN

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