Lexus NX 2022–2024 — technical service bulletin
Bulletin L-SB-0025-24 · NHTSA communication 11005157 · issued May 24, 2024
Technical service bulletin
communication type
Engine
component
2022–2024
model years
4
vehicle entries
Official summary
Some 2022 model year NX 350, 2023 – 2024 model year RX 500h, and 2024 model year TX 500h vehicles equipped with a T24A-FTS engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P05CE00 (Cold Start “B” Camshaft Position Timing Performance Bank 1) present. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition.
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.