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Service bulletin sb15020

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 id10153387
Published by NHTSA2019-02-19
Manufacturer's numbersb15020
Manufacturer's date2017-09-17
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

NHTSA's summary

Alternator Remote Sense Wiring

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, Alternator

Vehicles listed
FREIGHTLINER 108SD2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
FREIGHTLINER 114SD2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
FREIGHTLINER BUSINESS CLASS M22009 to 2018

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
sb542782018-06-18. Service bulletin. sb54278 Powernet Troubleshooting Guide Batteries, Path, Alternator, and Starter