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Service bulletin K43056254

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 id10161763
Published by NHTSA2019-07-01
Manufacturer's numberK43056254
Manufacturer's date2019-05-22
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Aftertreatment Control Module ( ACM ) Offline / Not Visible / Missing From Control Unit Information in Premium Tech Tool ( PTT ) - US10 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

Electrical system

Vehicles listed
VOLVO VAH
VOLVO VHD
VOLVO VN
VOLVO VNL
VOLVO VNM
VOLVO VNR
VOLVO VT

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