Lexus ES 2018–2024 — technical service bulletin
Bulletin LSB005523 · NHTSA communication 10247795 · issued Nov 1, 2023
Technical service bulletin
communication type
Electrical System
component
2018–2024
model years
26
vehicle entries
Official 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.
Vehicles covered
- 2019 Lexus ES
- 2020 Lexus ES
- 2021 Lexus ES
- 2022 Lexus ES
- 2023 Lexus ES
- 2018 Lexus LC
- 2019 Lexus LC
- 2020 Lexus LC
- 2021 Lexus LC
- 2022 Lexus LC
- 2023 Lexus LC
- 2018 Lexus LS
- 2019 Lexus LS
- 2020 Lexus LS
- 2021 Lexus LS
- 2022 Lexus LS
- 2023 Lexus LS
- 2022 Lexus NX
- 2023 Lexus NX
- 2024 Lexus NX
- 2023 Lexus RX
- 2019 Lexus UX
- 2020 Lexus UX
- 2021 Lexus UX
- 2022 Lexus UX
- 2023 Lexus UX
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.