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Service bulletin T-TT-0513-18

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 id10152177
Published by NHTSA2018-12-17
Manufacturer's numberT-TT-0513-18
Manufacturer's date2018-11-09
NHTSA componentWHEELS

NHTSA's summary

TT: 1) Lug nut size change from 21 mm to 17mm was implemented on 9/10/2018. 2) The 21mm wheel locking nut will not work with the OE wrench (since it is for 17mm nuts).

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

Wheels

Vehicles listed
TOYOTA YARIS2019

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
Toyota PRO19-022022-02-14. Service bulletin. POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any customer that requests it. Customers can find this information on the Owner?s section of Toyota.com. Dealers can locate a copy of this guide on the Claims Processing & Resource Center in Dealer Daily as well.