Lexus RX 2023–2024 — technical service bulletin
Bulletin L-SB-0028-24 · NHTSA communication 11005022 · issued Jun 4, 2024
Technical service bulletin
communication type
Power Train
component
2023–2024
model years
3
vehicle entries
Official summary
Some 2023 – 2024 model year RX 500h and 2024 model year TX 500h vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P279762 (Electromagnetic Oil Pump Component Internal Failure) present. The Transmission Control Module (TCM) logic has been modified to reduce the possibility of 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.