Lexus CT200h dashboard lights on with engine not starting, check hybrid system alert on Lexus CT200h

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Lexus CT200h owners report experiencing dashboard lights illuminating alongside an engine that fails to start and a "Check Hybrid System" alert. This alert typically indicates a problem with the hybrid system, which may involve issues with the hybrid battery, inverter, or other components. Owners may also encounter diagnostic trouble codes (DTCs) such as P3000-389 and P0A0D-350 when using diagnostic tools like Techstream software, which can help identify the specific issue. Additionally, the engine not starting could stem from malfunctions in the hybrid system components or the 12V battery. It is crucial for owners to have their vehicles inspected by a qualified mechanic or dealership to accurately diagnose the problem and perform necessary repairs. Ignoring the "Check Hybrid System" alert can lead to further damage and more expensive repairs down the line.

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