Lexus RX350 2016–2022 — technical service bulletin
Bulletin LSB000323 · NHTSA communication 10235210 · issued Feb 2, 2023
Technical service bulletin
communication type
Air Bags
component
2016–2022
model years
7
vehicle entries
Official summary
TSB: Some 2016 ? 2022 model year RX 350 vehicles may exhibit a droning noise from the exhaust system at takeoff or under light acceleration. Countermeasure parts are available to reduce the droning noise. Follow the Repair Procedure in this bulletin to address this condition.
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.