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Home >> Lexus >> 2009 >> LS 460 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (2 Of 4) >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Description
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DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control: Description

Refer to DTC P0115 (see DTC P0115 ENGINE COOLANT TEMPERATURE CIRCUIT MALFUNCTION; DTC P0117 ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUT; DTC P0118 ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT ).

RESULT REFERENCE

DTC No. DTC Detection Condition Trouble Area
P0125 Engine coolant temperature (ECT) does not reach closed-loop enabling temperature for 20 minutes (this period varies with engine start ECT)
(2 trip detection logic)
  • Cooling system
  • Engine coolant temperature sensor
  • Thermostat