WenmarOpen by Wenmar Pro

Service bulletin FL756

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 id10146288
Published by NHTSA2018-10-29
Manufacturer's numberFL756
Manufacturer's date2018-05-01
NHTSA componentSERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR; ELECTRICAL SYSTEM

NHTSA's summary

Brake Light Pressure switch may not activate the brake lights with a light application of the brake pedal.

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

Brakes, Electrical system

Vehicles listed
WESTERN STAR 47002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 49002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 57002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 69002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019

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

Recalls for the same vehicles and component
20260912026-03-03. Electrical
20216972021-11-12. Electrical
21V8820002021-11-12. ELECTRICAL SYSTEM:WIRING
20211722021-03-24. Electrical
21V2060002021-03-24. ELECTRICAL SYSTEM:WIRING
20202172020-05-18. Electrical
20V2810002020-05-18. ELECTRICAL SYSTEM:WIRING
20200862020-03-03. Brakes
20V1270002020-03-03. SERVICE BRAKES, AIR:DISC:CALIPER
20192372019-05-17. Brakes

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
CALWS83-0012021-09-29. Service bulletin. Customer Advisory Letter for HVAC Actuator Wiring Harness. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion.
SBW54-0802021-06-29. Service bulletin. Western Star Service Bulletin for Key Fob ID Retention. Key fobs for remote keyless entry on Western Star vehicles are delivered in packages that include a unique ID for the fob. The ID is required when pairing the key fob with a vehicle.
SS708-WST20212021-06-26. Service bulletin. Western Star Service Solution for Low Voltage Disconnect (LVD) Troubleshooting: Western Star 5700 and New 4700.
TechTalk5666472021-06-02. Service bulletin. Tech Talk Discussion 121-8861-005 3 Compartment air tank with one way internal check valve
CALWS32-0012021-05-25. Service bulletin. Customer Advisory Letter on Transverse Track Rod Tower Bracket
WSTCAE165-20182021-05-18. Service bulletin. Certain Stamped Spider Drum Brakes Replaced by Cast Spider Drum Brakes on Steer Axles
WSTCAE121-20142021-05-18. Service bulletin. AIR BRAKE RESERVOIRS - NEW TRIPLE CHAMBER AIR TANK
TechTalk12369K2021-05-06. Service bulletin. Tech Talk continuing discussion on a burned cab.
SBW54-0572021-03-25. Service bulletin. Western Star Service Bulletin for Powernet Troubleshooting Guide - Batteries, Path, Alternator, and Starter. When troubleshooting powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter is the only Daimler-approved tool for troubleshooting vehicle Powernet issues.
WP21-0072021-03-24. Service bulletin. Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.