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Service bulletin L-SB-0127-11 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 id10133704
Published by NHTSA2018-04-23
Manufacturer's numberL-SB-0127-11 Rev
Manufacturer's date2014-04-07
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Some 2010 ? 2011 model year RX 450h vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P0430 stored in the Engine Control Module or ECM (SAE term: Powertrain Control Module/PCM). Use the following Repair Procedure to address this condition.

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

Transmission and driveline, Automatic transmission, Transmission control module

Trouble codes named

P0430

Vehicles listed
LEXUS RX HYBRID2011
LEXUS RX450H2010

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