WenmarOpen by Wenmar Pro

Service bulletin TechTalk566915

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 id10194879
Published by NHTSA2021-06-03
Manufacturer's numberTechTalk566915
Manufacturer's date2021-05-19
NHTSA componentELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM

NHTSA's summary

Tech Talk Discussion M2. Rumble Strip Sound cuts out radio. On Guard. On Lane. Lane Departure. Audio interrupt switches

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

Driver assistance, Electrical system

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22020

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