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Service bulletin TechTalk4891

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 id10183305
Published by NHTSA2020-12-01
Manufacturer's numberTechTalk4891
Manufacturer's date2020-11-07
NHTSA componentVISIBILITY

NHTSA's summary

Tech Discussion on New Cascadia windows switch opperating horn, wipers dont opperate properly.

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

Glass, wipers and mirrors

Vehicles listed
FREIGHTLINER CASCADIA2017, 2018

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

Recalls for the same vehicles and component
20183872018-07-23. Visual System

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SS3076-FTL2025-11-05. Other. Service Solution for P4 Main Mirror Arm Covers Loose - Falling Off
MYCOM_07192024-22024-08-02. Other. My Communications for New Espar HS3 Heater and Extreme Insulation
SB54-3382023-08-05. Service bulletin. Revised Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve Espar Heater Cool Down. Description of Revisions: This bulletin replaces the version dated December 2021. The general information and warranty information has been updated.
SS3076-FTL20222022-08-02. Service bulletin. Main Mirror Arm Covers Loose - Falling Off. Lower arm covers designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off.
SB54-3562022-08-02. Service bulletin. Revised Freightliner Service Bulletin for HVAC Software Updates. Description of Revisions: This bulletin replaces the version dated 06/21/2022. Formatting errors have been corrected.
SB54-3562022-07-02. Service bulletin. Freightliner Service Bulletin for HVAC Software Updates
FP60-0552022-05-03. Service bulletin. Freightliner Parts Technical Bulletin for TufGlass Windshield Replacement. Effective April 20, 2022, owners of New Cascadia vehicles have the option of replacing factory-installed standard windshields with L20 TufGlass windshields.
SS3076-FTL20222022-02-05. Service bulletin. Main Mirror Arm Covers Loose - Falling Off. Lower arm covers designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off.
SS3076-FTL20212021-12-02. Service bulletin. Updated Service Solution for Main Mirror Arm Covers Loose -Falling Off. Lower arm covers designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off.
SB60-1752021-08-28. Service bulletin. Freightliner Service Bulletin for Auxiliary Mirror Vibration. Cascadia trucks built from January 1, 2017 through June 16, 2020 may be equipped with auxiliary mirrors that vibrate or wobble. A service kit (part number 22-77791-500) is available to resolve the issue.