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Service bulletin S-TT-0116-19

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 id10153260
Published by NHTSA2019-02-19
Manufacturer's numberS-TT-0116-19
Manufacturer's date2018-01-03
NHTSA componentEQUIPMENT

NHTSA's summary

TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.

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

Equipment and accessories

Vehicles listed
SCION FR-S2015 to 2016
SCION IM2016
SCION IQ2015
SCION TC2015 to 2016
SCION XB2015

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