Lexus TSB #LSB005523

2018 Lexus LS 500h

TSB Document:

Affected Component: ELECTRICAL SYSTEM

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.

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Date Published
NOV 01, 2023
NHTSA TSB #
10247795
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