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October 27, 2020 Service bulletin

Updated Freightliner Service Bulletin for Powernet Troubleshooting Guide

Freightliner technical service bulletin SB54-278 for 2007-2021 Freightliner Cascadia, 2000, 2002-2010 Freightliner Columbia and 2002-2021 Freightliner Business Class M2 and others.

Bulletin number
SB54-278
Component
Electrical system
Summary
Updated Freightliner Service Bulletin for Powernet Troubleshooting Guide - Batteries, Path, Alternator, and Starter. This bulletin replaces the version dated 5/31/2017. Information is added about the BCT-460DTNA PowerNet Assessment Tool. When troubleshooting Powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter® is the only Daimler-approved tool for troubleshooting vehicle Powernet issues.

Owners of these vehicles have filed 64 complaints in the electrical category.

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