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Service bulletin SF668

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 id10237096
Published by NHTSA2023-06-03
Manufacturer's numberSF668
Manufacturer's date2023-05-11
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

Field Service Campaign for ICU4Me Cluster Assembly Liquid Crystal Display.

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

Vehicles listed
FREIGHTLINER 122SD2022 to 2023
WESTERN STAR 47002022, 2023

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

Recalls for the same vehicles and component
22V3380002022-05-16. EQUIPMENT:OTHER:LABELS
20211722021-03-24. Electrical

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
SF6792024-03-06. Service bulletin. Revised Field Service Campaign for Virtual Technician Module. REVISION: The parts table has been updated.
ICI24-0042024-03-06. Service bulletin. Important Campaign Information letter for SF679 Bulletin Revision. REVISION: The parts table has been updated.
SF6792024-02-06. Service bulletin. Field Service Campaign for Virtual Technician Module
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.
PM Sensor Shrtg2021-06-19. Service bulletin. Supply chain shortage notice. Model Year 2022 Freightliner, Western Star, Freightliner Custom Chassis, and Thomas Built Bus vehicles manufactured with the following engines have been built without a Particulate Matter (PM)/Soot sensor: •DD15 Gen 5 (Gats 2.0) (with a June 2021 or later GHG build date) •DD13 Gen4 (1-box) (with a June 2021 or later GHG build date) •Cummins B6.7 (with a June 2021 or later GHG build date) •Cummins X15 with ratings of 400-500HP (with a June 2021 or later GHG build date) As a result, the vehicle has a non-conforming On-Board Diagnostic (OBD) system. The engine manufacturers will pay to install the OBD PM sensor and corresponding software through a recall once sensors become available.
WI21-0082021-04-23. Service bulletin. Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.