# Service bulletin LSB005523A

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: 10247819
- Published by NHTSA: 2023\-12\-26
- Manufacturer's number: LSB005523A
- Manufacturer's date: 2023\-11\-17
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

TSB: Some 2018 ? 2024 model year Lexus vehicles may exhibit a hybrid system warning lamp occurring in below\-freezing temperatures \(below 32°F or 0°C\). After performing a Health Check, one or both of the following Diagnostic Trouble Codes \(DTCs\) may be present: ?P1C8449 ? \(High Voltage Power Resource Circuit Short during Ready ON\) ?P300449 ? \(High Voltage Power Resource Circuit Short during Pre\-Charge\) 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-10247819-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10247819-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

P1C84, P3004

## Vehicles listed

- 2019 to 2023 LEXUS ES HYBRID
- 2018 to 2023 LEXUS LC HYBRID
- 2018 to 2023 LEXUS LS HYBRID
- 2022 to 2024 LEXUS NX HYBRID
- 2023 LEXUS RX HYBRID
- 2019 to 2023 LEXUS UX HYBRID

JSON: [/v1/bulletins/10247819](/v1/bulletins/10247819)

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