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Service bulletin TechTalk8131

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 id10188115
Published by NHTSA2021-03-03
Manufacturer's numberTechTalk8131
Manufacturer's date2021-02-11
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Tech Talk discussion on M2 BHM code SPN 7000 FMI 4 and 6. AKA SPN 1491.

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

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22016

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