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Service bulletin KC-2128

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 id10233516
Published by NHTSA2023-04-04
Manufacturer's numberKC-2128
Manufacturer's date2023-03-14
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Engine Control Module (EMS) Software Information - Improvement List (Change Log), March 2023 – US21+OBD2021 Emissions ONLY

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

Vehicles listed
VOLVO VAH2021
VOLVO VHD2021
VOLVO VN2021
VOLVO VNL2021
VOLVO VNM2021

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