WenmarOpen by Wenmar Pro

Service bulletin SB54-321

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 id10166839
Published by NHTSA2019-10-30
Manufacturer's numberSB54-321
Manufacturer's date2019-10-30
NHTSA componentEQUIPMENT; STEERING: STEERING WHEEL/HANDLE BAR; ELECTRICAL SYSTEM

NHTSA's summary

Service bulletin describing the procedures for service harness installation and steering wheel clockspring replacement.

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

Electrical system, Equipment and accessories, Steering, Steering column and wheel

Vehicles listed
FREIGHTLINER CASCADIA2017, 2018, 2019, 2020

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

Other bulletins for the same vehicles and component
DOC-10344382019-08-07. Service bulletin. Service Solution to customers regarding Steering wheel switches inoperative, AM/FM radio reception corrupted, failure of the steering wheel clockspring.
Steering Wheel A2019-04-08. Service bulletin. Steering Wheel Air Bag Options
DOC-10336282019-04-01. Service bulletin. SS 1033628 New Cascadia Ground Strategy -Steering Wheel Clockspring Failures
FL7962019-04-01. Service bulletin. Dealer Bulletin FL796 Steering Wheel Fasteners
sb46412019-04-01. Service bulletin. Adjusting Tilt Lock Force on TRW Steering Columns
Steering Wheel A2019-04-01. Service bulletin. Steering Wheel Air Bag Options