TT: Some vehicles may exhibit an error message when trying to perform a radio software update: "Unable to...
Toyota technical service bulletin T-TT-0339-15 for 2015-2016 Toyota Sienna, 2014-2016 Toyota Tacoma and 2014-2016 Toyota Tundra and others.
- Bulletin number
- T-TT-0339-15
- Component
- Electrical system: software
- Summary
- TT: Some vehicles may exhibit an error message when trying to perform a radio software update: "Unable to update the software. Please try again later." If the following screen is seen, follow the directions below.
Owners of these vehicles have filed 340 complaints in the electrical category.
Vehicles covered
- Toyota Sienna 2015-2016 20152016
- Toyota Tacoma 2014-2016 201420152016
- Toyota Tundra 2014-2016 201420152016
- Toyota 4RUNNER 2014-2016 201420152016
- Toyota Highlander 2014-2016 201420152016
- Toyota Avalon 2015-2016 20152016
- Toyota Sequoia 2014-2016 201420152016
- Toyota Highlander Hybrid 2014-2016 201420152016
- Toyota Prius V 2015-2016 20152016
- Toyota Avalon Hybrid 2015-2016 20152016
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