# Service bulletin 23LE04\- Multiple

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: 10234307
- Published by NHTSA: 2023\-04\-17
- Manufacturer's number: 23LE04\- Multiple
- Manufacturer's date: 2023\-03\-02
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

DP: Although the Brake Booster and Brake Booster Pump Assembly are covered by Lexus?s New Vehicle Limited Warranty for 4 years or 50,000 miles \(whichever comes first\), we at Lexus care about the customers? ownership experience. Lexus is providing coverage for repairs in the subject vehicles related to certain internal malfunctions of the Brake Booster Pump Assembly and/or Brake Booster, depending on the model.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234307-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234307-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2013 LEXUS GS 350
- 2014 to 2015 LEXUS GS HYBRID
- 2010 to 2012 LEXUS HS 250 HYBRID
- 2008 to 2010 LEXUS LS
- 2012 LEXUS LS
- 2016 LEXUS LS
- 2011 LEXUS LS 460
- 2013 to 2017 LEXUS LS460
- 2008 to 2017 LEXUS LS600H
- 2016 to 2019 LEXUS RX
- 2013 to 2019 LEXUS RX HYBRID

## Other bulletins for the same vehicles and component

- [L\-SB\-0032\-23 Rev](/bulletins/10245447.md), 2023-11-27, Service bulletin: SERVICE BRAKES; ENGINE AND ENGINE COOLING. TSB: Some 2016 ? 2022 model year RX 450h and 2018 ? 2022 model year RX 450hL vehicles may exhibit a squawk/knock noise from the engine compartment when depressing and/or releasing the brake pedal. Follow the Repair Procedure in this bulletin to address this condition.
- [L\-SB\-0047\-19](/bulletins/10170185.md), 2020-01-13, Service bulletin: SERVICE BRAKES; EQUIPMENT ADAPTIVE/MOBILITY. TSB: Some 2007 ? 2017 model year LS460/LS460L and 2008 ? 2016 model year LS600h vehicles may exhibit a squawk/bark noise from the brake actuator when depressing and/or releasing the brake pedal. Follow the Repair Procedure in this bulletin to address this condition.
- [ZLG\_Lexus POL16\-](/bulletins/10142887.md), 2018-07-16, Service bulletin: SERVICE BRAKES. Warranty Policy Bulletin: Lexus has received some reports where various brake system related warning lamps illuminate due to internal malfunctions of the Brake Actuator Assembly.

JSON: [/v1/bulletins/10234307](/v1/bulletins/10234307)

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