Toyota Yaris 2019 — technical service bulletin
Bulletin 20TC03 - TI - Ya · NHTSA communication 10181794 · issued Sep 3, 2020
Technical service bulletin
communication type
Electrical System
component
2019
model years
1
vehicle entries
Official summary
Ti: technical instructions for special service campaign 20tc03 engine control module reprogram certain 2019 yaris sedan
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.