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Service bulletin EC0023 V 202307

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 id10240269
Published by NHTSA2023-08-03
Manufacturer's numberEC0023 V 202307
Manufacturer's date2023-07-31
NHTSA componentPOWER TRAIN; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

Emission Campaign: OBD MONITOR, This Recall includes an updated software in the EECU and ACM to address potential issues with the NOx sensor monitors used in the On-Board Diagnostic (ODB) system.

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

Electrical system, Engine, Exhaust and emissions, Transmission and driveline

Vehicles listed
VOLVO VAH2022
VOLVO VHD2022
VOLVO VN2022
VOLVO VNL2022
VOLVO VNR2022

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