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Service bulletin L-TT-0328-23 Rev

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10253232
Published by NHTSA2024-04-15
Manufacturer's numberL-TT-0328-23 Rev
Manufacturer's date2024-03-12
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM; SUSPENSION

NHTSA's summary

TT: Some 2023MY RX500h may require a transaxle and transmission control module (TCU) replacement for low-speed vibration from Transaxle and/or DTC for P084000/P084087.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Suspension, Transmission and driveline

Trouble codes named

P0840

Vehicles listed
LEXUS RX HYBRID2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.