WenmarOpen by Wenmar Pro

Service bulletin SB54-320

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 id10168079
Published by NHTSA2019-11-20
Manufacturer's numberSB54-320
Manufacturer's date2019-11-20
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

Service Bulletin for upgrading BHM software for switch expansion module fault SPN 698 FMI 7.

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 108SD2016, 2017, 2018, 2019, 2020
FREIGHTLINER 114SD2016, 2017, 2018, 2019, 2020
FREIGHTLINER 122SD2016 to 2020
FREIGHTLINER BUSINESS CLASS M22016 to 2020
FREIGHTLINER CORONADO2016, 2017, 2018, 2019, 2020

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
20V6340002020-10-14. EQUIPMENT:OTHER:LABELS; TIRES
20V5270002020-09-01. ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING
20V5250002020-08-31. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; STRUCTURE
20V2110002020-04-10. EQUIPMENT:OTHER:LABELS
17V8100002017-12-15. EQUIPMENT
17V4520002017-07-17. EQUIPMENT
17V0430002017-01-19. ELECTRICAL SYSTEM:SOFTWARE
15V6200002015-10-02. ELECTRICAL SYSTEM:IGNITION:MODULE; ENGINE AND ENGINE COOLING:ENGINE

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
SS 3146-FTL2026-05-02. Other. Service Solution for M2, 108SD, 114SD - Unable to Program Replacement Bulkhead Module - Certain Model Years
SS 3124-FTL2026-05-02. Other. Service Solution for Legacy M2 Bulkhead Module (BHM) Replacement and DiagnosticLink Issues
SS3124-FTL2025-06-27. Other. Service Solution for Legacy M2 Bulkhead Module (BHM) Replacement and Diagnosticlink Issue
PB01-0092024-11-06. Other. Parts Bulletin for Powertrain Power Distribution Module (PTPDM) Kit Replacement
CXA 8_24_Bulkhead Module2024-09-07. Other. CX Advocate for bulkhead module reprogramming (SS 3146-FTL)
SS3146-FTL2024-09-07. Other. Service Solution for M2, 108SD, 114SD - Unable to Program Replacement Bulkhead Module - Certain Model Years
SF672 POSTCARD LARGE2024-06-07. Service campaign. Field Service Campaign Owner Reminder Postcard large population
SF672 POSTCARD SMALL2024-06-07. Service campaign. Field Service Campaign Owner Reminder Postcard small population
SS3146-FTL2024-06-05. Other. Service Solution for M2, 108SD, 114SD - Unable to Program Replacement Bulkhead Module - Certain Model Years
SF672_V42023-12-06. Service bulletin. Revised Field Service Campaign for Common Telematics Platform Software Update