Toyota Avalon 2018–2019 — technical service bulletin
Bulletin T-TT-0558-19 · NHTSA communication 10164875 · issued Aug 6, 2019
Technical service bulletin
communication type
Lane Departure
component
2018–2019
model years
8
vehicle entries
Official summary
TT: In some situations, the Blind Spot Monitor (BSM) Beam Axis may not update during the Blind Spot Monitor Beam Axis Confirmation. The procedure recommended below can be used to confirm the beam axis has been updated when performing the Blind Spot Monitor Beam Axis Confirmation.
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.