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Service bulletin TTT-0337-15 Rev1

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 id10134247
Published by NHTSA2018-04-23
Manufacturer's numberTTT-0337-15 Rev1
Manufacturer's date2015-04-06
NHTSA componentEQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

NHTSA's summary

TT: When updating either the navigation or radio firmware, verify the vehicle applicability BEFORE beginning the update.

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

Electrical system, Equipment and accessories, Software

Vehicles listed
TOYOTA 4RUNNER2010, 2011, 2012, 2013, 2014, 2015
TOYOTA AVALON2010, 2011, 2012, 2013, 2014, 2015
TOYOTA AVALON HYBRID2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA CAMRY2010, 2011, 2012, 2013, 2014, 2015
TOYOTA CAMRY HYBRID2010, 2011, 2012, 2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA COROLLA2010, 2011, 2012, 2013, 2014, 2015
TOYOTA HIGHLANDER2010, 2011, 2012, 2013, 2014, 2015
TOYOTA HIGHLANDER HYBRID2010, 2011, 2012, 2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA PRIUS2010, 2011, 2012, 2013, 2014, 2015
TOYOTA PRIUS C2012, 2013, 2014, 2015
TOYOTA PRIUS PLUG-IN HYBRID2010, 2011, 2012, 2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA PRIUS V2012, 2013, 2014, 2015
TOYOTA RAV42010, 2011, 2012, 2013, 2014, 2015
TOYOTA SEQUOIA2010, 2011, 2012, 2013, 2014, 2015
TOYOTA SIENNA2010, 2011, 2012, 2013, 2014, 2015
TOYOTA TACOMA2010, 2011, 2012, 2013, 2014, 2015
TOYOTA TUNDRA2010, 2011, 2012, 2013, 2014, 2015
TOYOTA VENZA2010, 2011, 2012, 2013, 2014, 2015

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

Recalls for the same vehicles and component
14V2720002014-05-22. ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS
14V0530002014-02-12. HYBRID PROPULSION SYSTEM: INVERTER; ELECTRICAL SYSTEM:SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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J0D-0328182021-06-14. Service bulletin. Transmission has improper programming.
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