WenmarOpen by Wenmar Pro

Service bulletin K49053322

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 id10143859
Published by NHTSA2018-08-20
Manufacturer's numberK49053322
Manufacturer's date2018-07-30
NHTSA componentENGINE

NHTSA's summary

Vehicle Speed Factor (K-Factor) Programming - Speed Factor Value Incorrect When Calculated In Premium Tech Tool (PTT); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer

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 VAH2018
VOLVO VHD2018 to 2019
VOLVO VN2018
VOLVO VNL2018 to 2019
VOLVO VNR2019

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