Lexus CT Hybrid 2014 — technical service bulletin
Bulletin L-TT-0168-14 · NHTSA communication 10109470 · issued Oct 23, 2014
Technical service bulletin
communication type
Equipment
component
2014
model years
4
vehicle entries
Official summary
Tech Tip: Head unit does not recognize a Multimedia software update file that has been downloaded to a USB flash drive from a Technical Service Bulletin.
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.