Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Toyota Avalon 2019technical service bulletin

Bulletin T-SB-0143-18 · NHTSA communication 10152562 · issued Nov 28, 2018

Technical service bulletin
communication type
Electrical System
component
2019
model years
1
vehicle entries

Official summary

TBS: Some 2019 model year Avalon and Avalon Hybrid vehicles equipped with Entune? 3.0 Audio Plus (version 1002), or Entune? 3.0 Premium Audio (version 1002) or earlier may exhibit one or more of the following conditions: ? Incorrect GPS date and time ? Abnormal Bluetooth® operation ? Abnormal Wi-Fi operation G489 Microphone remains on screen after voice recognition failure ? Unable to see text with headlights on (text is same color as background) A software update is now available to address these conditions. Follow the Software Update Procedure in this bulletin to update the software.

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.