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Service bulletin T-TT-0174-12

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 id10109466
Published by NHTSA2017-08-01
Manufacturer's numberT-TT-0174-12
Manufacturer's date2014-10-21
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

Tech Tip: The purpose for this Tech Tip is to help identify the shift-lock override cover location when performing Pre Delivery Service (PDS). In other models this cover has typically been attached to the shifter in direct view. For Prius C models, the shift-lock override cover is located in the glove box.

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, Transmission and driveline, Automatic transmission

Vehicles listed
TOYOTA PRIUS C2012, 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-0338-152018-04-23. Service bulletin. TT: For most models the shift-lock override is typically been attached to the shifter in direct view. For Prius C models, the shift-lock override cover is located in the glove box.
T-TT-0338-152018-04-02. Service bulletin. TT: For most models the shift-lock override is typically been attached to the shifter in direct view. For Prius C models, the shift-lock override cover is located in the glove box.
T-SB-0247-12 Rev2018-04-02. Service bulletin. Some 2012 ? 2013 model year Camry, Venza, and 2013 model year Avalon and Sienna vehicles equipped with 2GR-FE engines may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P219A or P219B present. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Please follow the repair procedure below to address this condition.
T-SB-0006-11 Rev2017-08-01. Service bulletin. TSB: World Standard (WS) Automatic Transmission Fluid (ATF) was introduced to reduce maintenance costs and increase the mileage between scheduled maintenance checks. Here are some important tips when working with ATF-WS in Toyota vehicles requiring it's use.