Lexus ES250 2015–2021 — technical service bulletin
Bulletin L-TT-0301-21 Rev · NHTSA communication 10201353 · issued Jul 6, 2021
Technical service bulletin
communication type
Power Train
component
2015–2021
model years
14
vehicle entries
Official summary
TT: Some 2015-2021 model year vehicles equipped with Dynamic Torque Control AWD system may experience a ?Noise? or ?Abnormal Operation? condition from the rear differential front coupling. In some cases, even an ?AWD System Message? with or without a DTC may be present with or without other conditions present.
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.