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Service bulletin sbw54066

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 id10153389
Published by NHTSA2019-02-19
Manufacturer's numbersbw54066
Manufacturer's date2017-09-17
NHTSA componentSERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH

NHTSA's summary

ICU4Me Low Air Pressure Warning Change

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

Vehicles listed
WESTERN STAR 57002013, 2014, 2015, 2016, 2017, 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
20185502018-10-09. Brakes
18V7030002018-10-05. SERVICE BRAKES, AIR:DISC:CALIPER
20182852018-05-30. Brakes
18V3530002018-05-29. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
20175832017-11-28. Brakes
20175802017-11-28. 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
sbw540652021-03-15. Service bulletin. sbw54065 GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Guage
TechTalk60012020-09-30. Service bulletin. Tech Talk discussion for 1 DT12 COUNTERSHAFT BRAKE
TS10337682020-07-31. Service bulletin. Training Solution for Western Star Front Brake Squeal - Burnishing Procedure. The brake burnishing procedure can be used to help reduce brake related noise or imbalance concerns which may occur in the field.
SBW42-0132020-07-31. Service bulletin. Western Star Service Bulletin for Meritor Steer Axle Drum Brake Squeal. Some Western Star 5700 vehicles equipped with Meritor steer axle drum brakes with a front axle rating less than 13,300 lb (6038 kg) have experienced brake squealing noise when the service brakes are applied at lower speeds. NOTE: This is a nuisance noise issue and not a failure. The solution given in this service bulletin may fix this issue.
sbw540672019-08-07. Service bulletin. Service Bulletin sent out to customers regarding ABS solenoids not doing self check. Correction of this failure involves installing a relay jumper assembly.
0706-172019-04-08. Service bulletin. Counter Shaft Brake Valve
0706-172019-04-01. Service bulletin. Counter Shaft Brake Valve
18TL182019-03-18. Service bulletin. 30mm Air Disc Brake Caliper Bolt Torque Adapter DSNCHA018005
FL7942019-03-18. Service bulletin. FL794 Brake Caliper Mounting Bolts Dealer Bulletin
FL7942019-03-11. Service bulletin. Brake Caliper Mounting Bolts