# Service bulletin L\-SB\-0021\-23

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.

- Type: Service bulletin
- NHTSA id: 10234326
- Published by NHTSA: 2023\-04\-17
- Manufacturer's number: L\-SB\-0021\-23
- Manufacturer's date: 2023\-03\-15
- NHTSA component: STEERING

## NHTSA's summary

TSB: Some 2022 ? 2023 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit \(ECU\) is replaced. Techstream software has been modified to indicate when configuration software is required. A new Configure column has been added to the Techstream Health Check Results screen to show when configuration software is available for a specific ECU. Follow the Operation Procedure in this bulletin to complete the ECU Software Configure Process.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234326-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234326-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Steering

## Vehicles listed

- 2023 LEXUS LS500 H
- 2022 to 2023 LEXUS LX600
- 2023 LEXUS NX HYBRID
- 2022 to 2023 LEXUS NX250
- 2022 to 2023 LEXUS NX350
- 2022 LEXUS NX350H
- 2022 to 2023 LEXUS NX450H\+
- 2023 LEXUS RX350
- 2023 LEXUS RZ450E

JSON: [/v1/bulletins/10234326](/v1/bulletins/10234326)

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