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Last Modified: 9-16-2014 6.6 C Doc ID: RM000000T9P0FYX Model Year: 2015 Model: Tundra Prod Date Range: [08/2014 - ] Title: 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0125; Insufficient Coolant Temperature for Closed Loop Fuel Control; 2015 MY Tundra [08/2014 - ] DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control DESCRIPTION Refer to DTC P0115
. 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) ECT sensor Cooling system Water inlet with thermostat sub-assembly MONITOR DESCRIPTION time having elapsed since the engine was started, the ECM interprets this as a malfunction in the sensor or cooling system and stores the DTC. Example: as a malfunction in the sensor or cooling system and stores the DTC. MONITOR STRATEGY Related DTCs P0125: Insufficient engine coolant temperature for closed-loop fuel control Required Sensors/Components (Main) Water inlet with thermostat sub-assembly, Cooling system Required Sensors/Components (Related) Engine coolant temperature sensor and mass air flow meter Duration 53 seconds: Engine coolant temperature at engine start -8.33°C (17°F) or more 105 seconds: Engine coolant temperature at engine start -19.44 to 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0125; Insuffi... |