# Service bulletin L\-SB\-0013\-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: 10234306
- Published by NHTSA: 2023\-04\-17
- Manufacturer's number: L\-SB\-0013\-23
- Manufacturer's date: 2023\-03\-02
- NHTSA component: ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); LANE DEPARTURE

## NHTSA's summary

TSB: Some 2010 ? 2012 model year HS 250h vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. One or more of the following Diagnostic Trouble Codes \(DTCs\) C1391, C1252, C1256, and/or C1253 will be stored in the vehicle?s memory to be used as veri\+G4fication. This condition may be caused by a small brake fluid leak inside the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to address this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234306-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234306-9999.pdf)

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

## Components

Driver assistance

## Trouble codes named

C1252, C1253, C1256, C1391

## Vehicles listed

- 2010 to 2012 LEXUS HS 250 HYBRID

JSON: [/v1/bulletins/10234306](/v1/bulletins/10234306)

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