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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 id10215272
Published by NHTSA2022-07-05
Manufacturer's numberKC-2158
Manufacturer's date2022-06-03
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 VAH2013
VOLVO VHD2013
VOLVO VN2013
VOLVO VNL2013
VOLVO VNM2013
VOLVO VNX2013
VOLVO VT2013
VOLVO WHEB2013

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