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Service bulletin WB17-81A

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 id10148852
Published by NHTSA2018-11-19
Manufacturer's numberWB17-81A
Manufacturer's date2018-09-06
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.

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.