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Service bulletin KC-2158

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 id10213277
Published by NHTSA2022-06-05
Manufacturer's numberKC-2158
Manufacturer's date2022-05-26
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 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 7802016
VOLVO VAH2013 to 2022
VOLVO VHD2013 to 2022
VOLVO VN2013 to 2023
VOLVO VNL2013 to 2022
VOLVO VNM2013 to 2021
VOLVO VNR2017 to 2022
VOLVO VNX2013 to 2021
VOLVO VT2013 to 2016
VOLVO WHEB2013

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