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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Engine Control System - Diagnostic Codes (02 Of 10)) >> SFI SYSTEM (for Gasoline Model) >> DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [10/2022 - 08/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

If any of DTCs P0115-11, P0115-15 or P0115-2A are output simultaneously with DTC P0125-00, the engine coolant temperature sensor may have an open or a short circuit. Troubleshoot those DTCs first.

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