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Service bulletin T-SB-0012-15

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 id10134125
Published by NHTSA2018-04-23
Manufacturer's numberT-SB-0012-15
Manufacturer's date2015-03-19
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

TSB: Some 2006 ? 2015 model year Yaris vehicles may exhibit a squealing noise coming from the engine compartment during the engine start-up. The drive belt (v-belt) tension specification has been updated to address this condition.

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

Engine, Drive belts

Vehicles listed
TOYOTA YARIS2006
TOYOTA YARIS2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

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

Other bulletins for the same vehicles and component
T-TT-0302-142017-08-01. Service bulletin. Tech Tip: Customer may complain about a belt squeal or squeak type noise from the drive belt area. Typically this condition occurs during cold engine start up.