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Service bulletin SF514AB

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 id10076236
Published by NHTSA2016-07-07
Manufacturer's numberSF514AB
Manufacturer's date2016-03-01
NHTSA componentSERVICE BRAKES; ELECTRICAL SYSTEM:WIRING

NHTSA's summary

Western Star ABS Wiring On certain vehicles the wiring may provide incorrect circuit protection to the trailer a nti lock brake s ystem (ABS) and 12V trailer power supply. All vehicles will have the ABS connector re-pinned. The majority of vehicles will also require swapping of fuse and circuit locations at the dash PDM, and applying a new PDM label.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Electrical system, Wiring and fuses

Vehicles listed
FREIGHTLINER WESTERN STAR2011 to 2012

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