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Home >> Lexus >> 2019 >> GX 460 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes) (1 Of 7) >> SFI System >> DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control [08/2016 - 08/2017] >> Description

DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control [08/2016 - 08/2017]: Description

  1. Refer to DTC P0115 (Refer to DESCRIPTION ).
DTC No. DTC Detection Condition Trouble Area
P0125 Engine coolant temperature does not reach closed-loop enabling temperature for 20 minutes (this period varies with the engine start engine coolant temperature) (2 trip detection logic).
  • Engine coolant temperature sensor
  • Cooling system
  • Water inlet with thermostat sub-assembly