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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Engine Control System - Diagnostic Codes (P0087-P012F)) >> SFI System >> DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [11/2021 - 03/2023] >> Description

DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [11/2021 - 03/2023]: Description

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Refer to DTC P0115-11.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
P0125-00 Insufficient Coolant Temperature for Closed Loop Fuel Control The engine coolant temperature does not reach the closed loop enabling temperature for 20 minutes (this period varies with the engine coolant temperature at engine start) (2 trip detection logic).
  • Water control valve
  • Engine cooling system
  • Engine coolant temperature sensor (for cylinder head side)
  • Engine coolant temperature sensor (for outlet side)
Comes on SAE Code: P0125