Service bulletin T-TT-0242-13

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)
Type	Service bulletin
NHTSA id	10132264
Published by NHTSA	2018-04-02
Manufacturer's number	T-TT-0242-13
Manufacturer's date	2013-07-08
NHTSA component	POWER TRAIN; STEERING

NHTSA's summary

Some customers have experienced amber colored oil like substance found on floor mats. Further investigation reveals the electric power steering column showing signs of the oiling substance leaking.

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

Steering, Transmission and driveline

Vehicles listed
TOYOTA AVALON	2013, 2014
TOYOTA CAMRY	2012, 2013, 2014
TOYOTA COROLLA	2009, 2010, 2011, 2012, 2013

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-0578-19 Rev	2020-11-23. Service bulletin. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
T-TT-0578-19	2019-12-02. Service bulletin. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
T-SB-0134-16-Rev	2019-09-03. Service bulletin. TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has been updated to include 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0012-13. Service Bulletin No. T-SB-0012-13 is obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information. NOTE ECU is a Toyota term used to describe integrated computerized devices responsible for managing the operation of a system or subsystem. For the purposes of this bulletin, the term ?ECU? is used as a generic label for the following SAE J1930 standard references: ? Powertrain Control Module (PCM) ? Engine Control Module (ECM) ? Transmission Control Module (TCM) ? Any other Toyota specific control unit
ZG2-ZG3-Expired-	2018-12-03. Service bulletin. Dealer Package: September 11, 2018 A watermark has been added to the Dealer Letter to indicate that ZG2/ZG3 expired on September 10, 2018 The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to ?cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use.? Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles. Toyota has determined that turning the page on this legal issue is in the best interests of the company and its employees, dealers and customers. In keeping with its core principles, Toyota has structured this agreement in ways that work to put customers first. This CSP was created as part of the implementation of the settlement.
T-SB-0312-17	2018-11-05. Service bulletin. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0034-14. ? The Parts Information section has been updated. Service Bulletin No. T-SB-0034-14 is obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. Some 2012 ? 2014 model year Camry vehicles with a U760 transmission may exhibit a brief shudder intermittently while driving under light loads between approximately 25 and 50 mph. The torque converter and Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure below to address this condition.
T-TT-0354-15	2018-04-23. Service bulletin. TechTip: Certain 2013-2015 Camry U760 vehicles may exhibit a transmission fluid leak from the transmission oil pan gasket.
T-TT-0086-11	2018-04-23. Service bulletin. TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
T-SB-0036-13 Rev	2018-04-23. Service bulletin. TSB: This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature. Note: The following adjustment procedures are for U660E/F and U760E/F transmissions.
ZG2-ZG3_Warranty	2018-04-23. Service bulletin. Warranty Policy Bulletin (POL16-05): The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to ?cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use.? Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles.
ZG2-ZG3_Dealer L	2018-04-23. Service bulletin. Dealer Letter: The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to ?cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use.? Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles.