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Service bulletin S-TT-0117-20

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 id10185779
Published by NHTSA2021-01-25
Manufacturer's numberS-TT-0117-20
Manufacturer's date2020-12-11
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS

NHTSA's summary

TT: HVAC drain tube is found to be blocked/clogged.

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

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
SCION FR-S2013 to 2016
SCION IA2016
SCION IM2016
SCION IQ2012 to 2015
SCION TC2008 to 2016
SCION XB2008 to 2015
SCION XD2008 to 2014

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