# Service bulletin LSB003621Rev2

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: 10220180
- Published by NHTSA: 2022\-09\-15
- Manufacturer's number: LSB003621Rev2
- Manufacturer's date: 2022\-06\-06
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

TSB: Some 2020 model year ES 350, ES 300h, UX 200, and UX 250h vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code \(DTC\) B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Lexus App does not accept the activation code. ?Lexus App is inoperative. ?SOS call center does not receive the vehicle?s location in a timely manner. ?Lexus App shows an error 42 when trying to execute a command. ?Unable to remote start the vehicle with the key fob \(if equipped\). ?Unable to subscribe to remote services. ?Unable to activate Wi\-Fi. ?Destination Assist is inoperative. Some 2020 ? 2021 model year ES 350, ES 300h, UX 200, and UX 250h vehicles may exhibit one or more of the following conditions: ?DTC B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Lexus App is inoperative. ?Unable to subscribe to remote services. ?Unable to activate Wi\-Fi. ?Depleted 12V vehicle battery when in IG\-OFF. Some 2020 ? 2021 model year ES 350, ES 300h, UX 200, and UX 250h and 2021 model year ES 250 vehicles may exhibit one or more of the following conditions: ?Depleted 12V vehicle battery when in IG\-OFF. ?Unable to reconnect out of network. A DCM reset and firmware update is now available to address these conditions. Follow the DCM Reset and Firmware Update Procedure in this bulletin to update the firmware.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10220180-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10220180-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

B15A8

## Vehicles listed

- 2020 to 2022 LEXUS ES HYBRID
- 2021 to 2022 LEXUS ES250
- 2020 to 2022 LEXUS ES350
- 2020 to 2022 LEXUS UX HYBRID
- 2020 to 2022 LEXUS UX200

JSON: [/v1/bulletins/10220180](/v1/bulletins/10220180)

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