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Service bulletin TS1033520-2021

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 id10194483
Published by NHTSA2021-05-27
Manufacturer's numberTS1033520-2021
Manufacturer's date2021-05-24
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

Training Solutions for New Tool for Troubleshooting DTNA Powernet Issues. The AutoMeter BCT-46DDTNA PowerNet Assessment Tool is now available. The BCT-46D0TNA is the only Daimler­ approved tool for troubleshooting vehicle powernet issues. The tool is required for all Battery, Starter, Alternator and Heavy Electrical Cable diagnostics and warranty.

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 FREIGHTLINER

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