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Service bulletin WB17-81

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 id10123474
Published by NHTSA2017-11-14
Manufacturer's numberWB17-81
Manufacturer's date2017-10-30
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

On the vehicles affected by this bulletin, a fix is required to allow normal functionality of the MCM switch. This switch is used when the MCM is being programmed.

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
VOLVO BUS 97002016

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