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Emissions M0308 202503

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)
TypeEmissions
NHTSA id11016358
Published by NHTSA2025-04-02
Manufacturer's numberM0308 202503
Manufacturer's date2025-03-05
NHTSA componentFUEL/PROPULSION SYSTEM; ENGINE

NHTSA's summary

EM - Volvo Trucks has identified that the Selective Catalyst Reduction (SCR) system in certain vehicles equipped with the MY 2017 or 2018 (13L VGT) engine are not meeting California and EPA emissions standards, or Volvo cannot confirm its compliance.

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, Fuel system

Vehicles listed
VOLVO VAH2017 to 2018
VOLVO VHD2017 to 2018
VOLVO VN2017 to 2018

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