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Service bulletin T-TT-0245-13

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)
TypeService bulletin
NHTSA id10075955
Published by NHTSA2016-07-07
Manufacturer's numberT-TT-0245-13
Manufacturer's date2013-07-17
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Some MY 2012-2013 Highlander, Highlander HV, Tacoma, and Venza vehicles may exhibit a condition where the Bluetooth mobile device ringtone volume is stuck at MAX VOLUME and cannot be adjusted after pairing a mobile device

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
TOYOTA HIGHLANDER2013
TOYOTA HIGHLANDER HYBRID2013 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA TACOMA2012, 2013
TOYOTA VENZA2013

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-0392-16 Rev2018-06-11. Service bulletin. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later.
T-SB-0163-13 Rev2018-04-23. Service bulletin. TSB: Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type units.
T-TT-0374-152018-04-23. Service bulletin. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
T-TT-0385-162018-04-23. Service bulletin. Tech Tip: This Tech Tip is being provided to bring attention to the new location of the Entune/NAV/Map Update and Upgrade USB Directory. Click on the TIS tab, Diagnostics tab, Telematics tab, and the document is now located under the reference documents sections. This change has occurred to help speed up the updating process of this document.
TTT-0337-15 Rev12018-04-23. Service bulletin. TT: When updating either the navigation or radio firmware, verify the vehicle applicability BEFORE beginning the update.
T-TT-0381-162018-04-23. Service bulletin. Tech Tip: Some customers may experience difficulty programming HomeLink.
TSB-0012-13 Rev22018-04-23. Service bulletin. TSB: Flash reprogramming allows the 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.
T-SB-0012-132018-04-23. Service bulletin. Flash reprogramming allows the 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 TIS and the CUW.
T-SB-0026-12 Rev2018-04-23. Service bulletin. Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type Units.
T-SB-0007-132018-04-23. Service bulletin. Toyota models equipped with the Premium HDD Navigation (AVN/AW-EMV) System require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote® and system software. The SST is used with all vehicles to deliver the update, however a unique Activation Number is required for each vehicle. Activation Numbers are provided in an Activation Card Number (ACN) pamphlet available through the normal parts ordering system. Use the process described in this bulletin to perform the update.